{"title":"MartinLogan","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eMartinLogan Speakers\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan is one of the most distinctive names in high-end loudspeaker design, best known for its groundbreaking \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eelectrostatic speakers and hybrid electrostatic technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Founded in 1983, MartinLogan has built its reputation around transparent, highly resolving loudspeakers that combine innovative transducer engineering with sophisticated industrial design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe company's iconic \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eElectrostatic Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e uses MartinLogan's ultra-light electrostatic diaphragm to reproduce music with exceptional speed, detail and spatial precision. Models including the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeolith, Renaissance ESL 15A, Expression ESL 13A, Impression ESL 11A and Classic ESL 9\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e combine large XStat electrostatic panels with dynamic bass systems to deliver the openness of an electrostatic transducer with the scale and low-frequency extension expected from a full-range loudspeaker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan technology extends well beyond electrostatics. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMotion XT and Motion Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e use the company's Folded Motion tweeter technology to bring fast transient response and controlled dispersion to more conventional floorstanding, bookshelf, center-channel and surround speaker designs. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMotion Foundation Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e makes the core principles of MartinLogan engineering accessible to an even wider range of stereo and home theater systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor architectural audio, MartinLogan offers \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ein-wall and in-ceiling speakers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e designed for high-performance systems where the loudspeakers need to disappear into the room. MartinLogan subwoofers provide powerful low-frequency reinforcement for both dedicated two-channel systems and immersive home theaters.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMartinLogan at The Grid HiFi\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Grid HiFi in Houston offers MartinLogan loudspeakers for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-end two-channel audio, dedicated listening rooms, home theaters and custom-installed systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChoosing the right MartinLogan is about more than moving up or down a model range. Electrostatic panel size, bass architecture, room dimensions, listening distance, placement and amplifier compatibility can substantially influence the final system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Grid can design the complete MartinLogan system around your room, including \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eamplification, streaming and digital sources, turntables and analog playback, subwoofers, cabling, power conditioning, acoustic considerations and professional installation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor MartinLogan's larger electrostatic loudspeakers, careful amplifier matching and placement are particularly important. We can help configure the complete system so the electronics, loudspeakers and room work together from the beginning.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eExplore MartinLogan at The Grid HiFi in Houston or call (713) 218-8120 for a private consultation.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"martinlogan-neolith-electrostatic-speakers-the-grid-hifi","title":"MartinLogan Neolith Electrostatic Speakers | The Grid HiFi","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eMartinLogan Neolith Electrostatic Loudspeakers\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eComplimentary White Glove Delivery • Travel Reimbursement*\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMartinLogan Neolith\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a statement-scale electrostatic loudspeaker built without the usual compromises imposed by size, weight or conventional driver architecture. Its centerpiece is an enormous \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e48 × 22-inch XStat CLS electrostatic transducer with 1,056 square inches of radiating area\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, responsible for reproducing nearly the entire midrange and high-frequency spectrum from a single ultra-light diaphragm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBelow the electrostatic panel, MartinLogan combines two purpose-built dynamic drivers: a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12-inch front-firing sealed carbon-fiber mid-bass woofer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e15-inch rear-firing ported aluminum-cone woofer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Together they extend the Neolith's specified response to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e23 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, while the electrostatic panel continues through the upper frequencies to 22 kHz.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNeolith is entirely passive, leaving the choice of amplification with the system designer. It can be single-wired or bi-amplified and is rated for amplifiers from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20 to 1,300 watts per channel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Its 4-ohm nominal impedance falls to just \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.43 ohm at 20 kHz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making amplifier quality, current capability and stability essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e74.8 inches tall, 385 pounds per speaker and nearly three feet deep\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, Neolith is not simply a larger electrostatic loudspeaker. It is a purpose-built reference system requiring the room, amplification and installation to be designed around it.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e48 × 22-Inch XStat CLS Electrostatic Panel\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe defining element of Neolith is its massive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eXStat CLS electrostatic transducer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeasuring \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e48 inches high by 22 inches wide\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the panel provides \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1,056 square inches of radiating area\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. MartinLogan states that its surface area is approximately 35% larger than the electrostatic panel used in the legendary Statement e2.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike a conventional multi-driver loudspeaker that divides the midrange and treble among separate cone and dome drivers, Neolith's electrostatic diaphragm reproduces nearly the entire midrange and high-frequency spectrum.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis minimizes crossover transitions through a large portion of the frequencies responsible for vocals, instrumental timbre and spatial information.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow the Electrostatic Transducer Works\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAn electrostatic driver is fundamentally different from a conventional moving-coil loudspeaker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn extremely lightweight conductive diaphragm is suspended between two perforated stators. The diaphragm maintains a constant electrostatic charge while the audio signal creates alternating electrical fields across the stators.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThose changing forces move the entire diaphragm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause the diaphragm itself is the moving element, there is no conventional voice coil, former or cone assembly attached to it. The moving mass is extremely low compared with a traditional dynamic driver.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Neolith uses this principle across an unusually large radiating surface, allowing one diaphragm to reproduce a remarkably broad portion of the audible spectrum.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCurvilinear Line Source Technology\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA large flat electrostatic panel naturally tends toward increasingly narrow horizontal dispersion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan addresses this through its proprietary \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCurvilinear Line Source, or CLS, geometry\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Neolith panel incorporates a controlled horizontal curvature that creates a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e30-degree horizontal dispersion pattern\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e while retaining the advantages of a large electrostatic radiating surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVertically, the 48-inch panel behaves as a controlled line source.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe combination provides broad horizontal coverage while limiting unnecessary vertical energy directed toward the floor and ceiling.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDipole Radiation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Neolith electrostatic panel operates as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edipole radiator\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSound is produced from both the front and rear surfaces of the diaphragm, with the rear radiation opposite in phase to the front.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt the sides of the panel, these opposing wavefronts largely cancel. This reduces early lateral energy that would otherwise interact strongly with nearby side walls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBehind the speaker, the rear wave becomes an important part of the listening-room interaction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is why Neolith placement is critical. Distance from the wall behind the speaker, toe-in, listening distance and room geometry all influence the final result.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eVacuum Bonded Panel Construction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan manufactures its electrostatic panels using a proprietary \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVacuum Bonding process\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe diaphragm, stators and structural elements are assembled under controlled pressure using an aerospace-grade adhesive. The process maintains uniform diaphragm tension and the precise tolerances required across such a large electrostatic surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe stators themselves must remain mechanically rigid while simultaneously allowing acoustic energy to pass through them.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan's MicroPerf stator design uses tightly controlled perforations to maximize the usable radiating area without sacrificing the structural rigidity required to control the charged diaphragm.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eClearSpar Technology\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe transparent horizontal elements visible across the panel are MartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eClearSpar spacers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese reinforce the electrostatic assembly and help maintain consistent diaphragm spacing and tension across the width of the panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTheir narrow profile is designed to provide structural support without creating significant visual or acoustic obstruction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOn a panel with more than 1,000 square inches of radiating surface, maintaining consistent mechanical geometry across the entire diaphragm is fundamental to predictable operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e12-Inch Front-Firing Sealed Mid-Bass Driver\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe transition from electrostatic reproduction to deep bass begins with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12-inch front-firing mid-bass driver\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e mounted in a sealed enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is not a conventional paper-cone woofer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan uses a rigid \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecarbon-fiber sandwich cone\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, high-excursion suspension and a substantial \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3-inch copper-clad aluminum flat-wire voice coil\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe pole piece and area beneath the spider are vented to improve airflow and reduce power compression.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts sealed alignment is particularly significant. The 12-inch driver is responsible for the critical transition between the dynamic bass system and the electrostatic panel, so transient behavior and control take precedence over simply maximizing bass output.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e15-Inch Rear-Firing Woofer\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDeep bass is handled by a separate \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e15-inch rear-firing, ported woofer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe driver uses a rigid aluminum cone, cast basket and high-excursion motor assembly. Its motor incorporates extensive venting, triple shorting rings and a four-layer voice coil designed to control distortion and compression as output increases.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDividing bass reproduction between specialized 12-inch and 15-inch drivers allows the front woofer to concentrate on the transition to the electrostatic panel while the larger rear driver handles the deepest frequencies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe complete system reaches a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e23 Hz at ±3 dB\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eThree-Way Hybrid Architecture\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeolith's crossover architecture divides the loudspeaker at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e60 Hz and an adjustable 250 to 400 Hz transition\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 15-inch woofer handles the deepest bass.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 12-inch sealed driver covers the critical mid-bass region.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAbove it, the enormous electrostatic panel reproduces nearly everything else.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis arrangement keeps conventional dynamic drivers concentrated in the frequency ranges where moving large volumes of air is essential while exploiting the extremely low moving mass and broad operating range of the electrostatic diaphragm throughout the midrange and treble.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAdvanced Vojtko Crossover\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Neolith uses MartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVojtko crossover topology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, built with components selected for high power handling and signal integrity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe high-pass network incorporates \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1% tolerance resistors mounted to heatsinks, polypropylene capacitors, air-core inductors and dual toroidal audio transformers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e used to drive the electrostatic element.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe low-pass section uses 1% resistors and toroidal inductors and incorporates the Neolith's user-adjustable bass and distance controls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe network remains completely passive, preserving the owner's ability to select amplification appropriate for the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBass and Listening-Distance Adjustment\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeolith provides physical crossover adjustments that allow the speaker to be configured around the room.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBass Control:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e0 dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e-4 dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e-8 dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDistance Control:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e3 meters or less\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e4 meters\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e5 meters or greater\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe bass adjustment helps compensate for the considerable effect room boundaries can have on low-frequency output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe distance setting changes the integration of the dynamic woofer system with the electrostatic panel according to listening distance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese are particularly valuable controls on a loudspeaker of this scale, where the relationship among panel radiation, woofer output, room boundaries and listener position becomes an integral part of system setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePhenolic Resin Polymer Structure\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Neolith's sculpted structural frame is manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePhenolic Resin Polymer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a dense composite material selected for its mechanical strength and resistance to vibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is especially important because the enclosure must support both an enormous electrostatic panel and two high-output dynamic bass drivers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReactive forces generated by the 12-inch and 15-inch woofers have the potential to excite the surrounding structure. Increasing the rigidity and mass of the baffle reduces its tendency to move in response.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe woofer enclosure is finished in hand-applied soft leather, while the surrounding structure receives a premium automotive-grade finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSingle-Wire or Bi-Amplified Operation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeolith is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003efully passive loudspeaker\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan provides separate connections that allow the speaker to operate from a single amplifier channel or as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebi-amplified system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBi-amplification gives the system designer the ability to dedicate amplification separately to the electrostatic and bass sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThat flexibility becomes particularly valuable at this level because the electrostatic panel presents very different electrical demands from the dynamic woofer system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWBT Silver Binding Posts\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eSignal connection is through \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eWBT-0705Ag nextgen 5-way binding posts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTheir filigree signal conductors are manufactured from fine silver and engineered to minimize conductive mass and eddy-current effects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan specifies the terminals for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e30 amps of continuous current and 200 amps of admissible peak current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThey accommodate the Neolith's single-wire and bi-amplified configurations while maintaining a high-quality mechanical and electrical connection for substantial loudspeaker cables.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAmplifier Matching Matters\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeolith has a nominal impedance of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4 ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, but that specification tells only part of the story.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt 20 kHz, impedance falls to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.43 ohm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan specifies compatibility with amplifiers rated for 4, 6 or 8-ohm loudspeakers and recommends amplifier power from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20 to 1,300 watts per channel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, but the quality and stability of the amplifier are more important than selecting it by wattage alone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn amplifier driving Neolith must remain composed into the unusual impedance behavior of a large electrostatic transducer while also providing the current required by the substantial dynamic bass section.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor that reason, amplifier matching should be considered part of the Neolith system design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e90 dB Sensitivity\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDespite its demanding high-frequency impedance, Neolith is specified at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e90 dB sensitivity with 2.83 volts at one meter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe enormous electrostatic radiating area contributes to that relatively high sensitivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe speaker can therefore produce substantial acoustic output without relying exclusively on enormous amplifier wattage, although its scale and dynamic capability can take advantage of exceptionally powerful amplification when the room and listening requirements demand it.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBuilt for Large-Scale Systems\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eEach Neolith stands \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e74.8 inches tall, 30.3 inches wide and 34.2 inches deep\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach speaker weighs \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e385 pounds\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrated weight rises to approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e600 pounds per speaker\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThose numbers have practical consequences.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFloor construction, access, doorway dimensions, equipment placement, listening distance and professional installation should all be considered before delivery. This is not a loudspeaker that should simply be shipped to a residence and positioned after arrival.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe room and installation are part of the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Details\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eMartinLogan Neolith\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReference Hybrid Electrostatic Loudspeaker\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Architecture\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePassive Hybrid Electrostatic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFrequency Response\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e23 Hz to 22 kHz ±3 dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrostatic Transducer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eXStat CLS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePanel Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e48 × 22 in \/ 122 × 56 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrostatic Radiating Area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1,056 in² \/ 6,832 cm²\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHorizontal Dispersion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30°\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVertical Dispersion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e48 in \/ 122 cm line source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFront Mid-Bass Driver\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 in \/ 30.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFront Driver Enclosure\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSealed\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFront Driver Cone\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCarbon-fiber sandwich\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFront Driver Voice Coil\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 in copper-clad aluminum flat wire\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRear Bass Driver\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15 in \/ 38.1 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRear Driver Cone\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRigid aluminum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRear Bass Alignment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePorted\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCrossover Frequencies\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e60 Hz \/ adjustable 250 to 400 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSensitivity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e90 dB \/ 2.83 V \/ 1 m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMinimum Published Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.43 Ω at 20 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended Amplifier Power\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 to 1,300 W per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCrossover\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAdvanced-topology Vojtko\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBass Adjustment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 \/ -4 \/ -8 dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDistance Adjustment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤3 m \/ 4 m \/ ≥5 m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWiring\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle-wire \/ bi-amplification\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBinding Posts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWBT-0705Ag nextgen 5-way\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBinding Post Conductor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFine silver\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBinding Post Continuous Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBinding Post Peak Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e200 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFrame Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePhenolic Resin Polymer\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWoofer Cabinet Finish\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSoft leather\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrostatic Panel Power Draw\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 W standby \/ 15 W maximum each\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLED Control\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOn \/ Dim \/ Off\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e74.8 in \/ 189.9 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWidth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30.3 in \/ 76.9 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDepth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e34.2 in \/ 87 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e385 lb \/ 175 kg each\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCrated Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e600 lb \/ 273 kg each\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCrate Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e39.7 × 39 × 82.6 in \/ 100.8 × 99 × 210 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eMartinLogan Neolith at The Grid HiFi\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Grid HiFi in Houston specializes in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ereference two-channel systems built around extraordinary loudspeakers such as the MartinLogan Neolith\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNeolith demands more than simply choosing an expensive amplifier. Its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.43-ohm high-frequency impedance, dipole electrostatic radiation, dual dynamic bass system and 385-pound construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e make amplifier selection, room placement and installation inseparable from the loudspeaker itself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe can engineer the complete system around Neolith, including reference amplification, digital and analog sources, cabling, power infrastructure, equipment support, dedicated electrical requirements, speaker positioning and final system optimization.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor customers outside Houston, we can coordinate the project from system design through delivery and final installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eComplimentary White Glove Delivery • Travel Reimbursement*\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eQualifying purchasers may receive airfare reimbursement for your private audition.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eConsidering Neolith? Experience it properly before you decide. Call The Grid HiFi at (713) 218-8120 to arrange your private consultation.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003e\u003cspan\u003e*Restrictions apply. Contact us for details.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"MartinLogan","offers":[{"title":"Default Title","offer_id":55150534394193,"sku":null,"price":119999.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/files\/15482535270_3603fe5742_b.jpg?v=1790908855"},{"product_id":"martinlogan-renaissance-esl-15a","title":"MartinLogan Renaissance ESL 15A Speakers | The Grid HiFi","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eMartinLogan Renaissance ESL 15A Electrostatic Loudspeakers\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eComplimentary White Glove Delivery • Travel Reimbursement*\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMartinLogan Renaissance ESL 15A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a full-range hybrid electrostatic loudspeaker built around a massive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e46 × 15-inch XStat CLS electrostatic panel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and an independently powered dual-woofer bass system. Its electrostatic transducer provides 690 square inches of radiating area for the midrange and high frequencies, while two 12-inch aluminum-cone woofers extend response to a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e22 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach woofer is driven by its own \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e500-watt Class D amplifier\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, giving every Renaissance ESL 15A 1,000 watts of dedicated internal bass amplification. A 24-bit Vojtko DSP engine manages the low-frequency system, while PoweredForce Forward technology controls the interaction between the opposing woofers and the wall behind the speaker. Anthem Room Correction adds another level of low-frequency optimization for the listening room.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe result is an electrostatic loudspeaker that preserves the speed, transparency and controlled radiation of a large CLS panel while solving one of the most difficult challenges in hybrid speaker design: integrating an electrostatic transducer with deep, high-output dynamic bass.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e46 × 15-Inch XStat CLS Electrostatic Panel\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Renaissance ESL 15A uses a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e46-inch-tall by 15-inch-wide XStat electrostatic transducer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e690 square inches of radiating surface\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRather than dividing the midrange and treble between multiple conventional cone and dome drivers, the electrostatic panel reproduces the entire spectrum above the 300 Hz crossover point.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn extremely lightweight conductive diaphragm is suspended between perforated stators. The musical signal creates changing electrostatic forces across the diaphragm, causing its entire surface to move.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith dramatically less moving mass than a conventional cone and voice-coil assembly, the panel can respond to extremely small changes in the signal without requiring multiple mechanical driver systems throughout the critical midrange and treble.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCurvilinear Line Source Geometry\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA large flat electrostatic panel naturally becomes increasingly directional as frequency rises.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCurvilinear Line Source, or CLS, technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e introduces a precisely controlled horizontal curvature into the electrostatic panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Renaissance ESL 15A provides a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e30-degree horizontal dispersion pattern\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, expanding the useful listening area while retaining the controlled radiation characteristics that make a large electrostatic panel fundamentally different from a conventional multidirectional loudspeaker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVertically, the 46-inch panel behaves as a controlled line source.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMicroPerf Stator Technology\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe stators surrounding an electrostatic diaphragm must perform two conflicting jobs. They need to remain extremely rigid while allowing as much acoustic output from the diaphragm as possible to pass through them.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMicroPerf stator technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e uses an optimized perforation pattern that substantially increases the amount of exposed diaphragm surface compared with earlier electrostatic constructions of similar dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe greater open area allows more of the panel's active diaphragm to contribute directly to the acoustic output.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eClearSpar Panel Reinforcement\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe transparent horizontal structures crossing the electrostatic panel are MartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eClearSpar spacers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThey reinforce the large electrostatic assembly and maintain precise spacing and diaphragm tension without substantially obstructing the panel's radiating surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaintaining consistent geometry across a 46 × 15-inch electrostatic diaphragm is critical. Small variations in the relationship among diaphragm and stators can affect the behavior of the transducer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eClearSpar provides the necessary structural support while preserving the Renaissance ESL 15A's characteristic transparent appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAirFrame Blade Construction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe electrostatic panel is supported by MartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAirFrame Blade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, manufactured from aerospace-grade extruded aluminum alloy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe structure is narrow when viewed from the front but considerably deeper from the side, creating the rigidity required to support the large electrostatic panel without unnecessarily obstructing its radiating area.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe AirFrame Blade also mechanically separates the electrostatic panel from the woofer enclosure, reducing the transfer of vibration generated by the large dynamic bass drivers into the electrostatic structure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDual 12-Inch Aluminum Woofers\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eLow frequencies are generated by \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etwo 12-inch high-excursion woofers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with rigid aluminum diaphragms and cast baskets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach woofer operates in its own \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eindependent sealed chamber\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSeparating the two bass drivers allows MartinLogan to control their behavior individually through amplification, DSP and phase management rather than treating them as a conventional pair of woofers sharing the same enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe system reaches a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e22 Hz at ±3 dB\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, giving the Renaissance ESL 15A genuine deep-bass capability without requiring an external subwoofer for full-range music reproduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e1,000 Watts of Dedicated Bass Amplification Per Speaker\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eEach 12-inch woofer is powered by its own \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e500-watt Class D amplifier\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThat provides \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1,000 watts of dedicated internal bass amplification in each loudspeaker\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with 2,000 watts of peak capability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe user's external amplifier therefore does not directly provide the power required to drive the two large bass woofers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstead, the main amplifier drives the electrostatic section while the internal amplifier system supplies the substantial power required by the low-frequency drivers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis architecture allows MartinLogan to optimize the amplifier, DSP and woofer system together while reducing the bass-current demands placed on the external amplifier.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e24-Bit Vojtko DSP Engine\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe powered bass system is controlled by a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e24-bit Vojtko Digital Signal Processing engine\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e developed by MartinLogan.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe DSP controls low-pass filtering, woofer equalization, phase relationships and limiting within the bass section.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause MartinLogan controls the drivers, amplifiers and digital processing as one system, the low-frequency architecture can be optimized around the exact electrical and mechanical behavior of the Renaissance ESL 15A rather than relying exclusively on a passive crossover network.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe transition to the electrostatic panel occurs at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e300 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePoweredForce Forward Bass Technology\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eOne of the most important technologies in the Renaissance ESL 15A is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePoweredForce Forward\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe two woofers are positioned on opposing sides of the enclosure. MartinLogan uses DSP-controlled phase relationships between them to reduce problematic bass energy radiating toward the wall behind the loudspeaker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLow-frequency reflections from the front wall can return toward the listening position and interact with direct bass output, creating peaks and cancellations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePoweredForce Forward is designed to reduce that interaction at the source.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe practical benefit is greater placement flexibility and more predictable bass performance before room correction is applied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAnthem Room Correction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Renaissance ESL 15A is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAnthem Room Correction ready\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eARC measures the low-frequency response of the loudspeakers within the actual listening environment and compares those measurements with a target response. It then creates correction filters for the powered bass system to address room-induced peaks and other low-frequency anomalies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eImportantly, ARC operates on the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epowered woofer section\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, preserving the direct signal path to the electrostatic panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe required ARC or PBK measurement microphone kit is sold separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eIndependent Bass Adjustment\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eRoom correction is not the only method available for tailoring the Renaissance ESL 15A to its environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe loudspeaker provides two physical low-frequency controls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebass control provides ±10 dB adjustment below 75 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, allowing substantial control over deep-bass output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA separate \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emid-bass adjustment provides -2 dB, 0 dB or +2 dB settings\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese controls allow the bass system to be configured around placement and room behavior even without running ARC.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDipole Electrostatic Radiation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe XStat panel operates as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edipole radiator\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, producing acoustic energy from both its front and rear surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt the sides of the panel, the opposing wavefronts largely cancel. This substantially reduces lateral radiation compared with a conventional box loudspeaker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLess energy is therefore directed toward nearby side walls, reducing early reflections that can interfere with stereo localization.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe rear radiation remains an important part of the speaker's presentation and makes distance from the wall behind the electrostatic panel a critical element of setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAdvanced Vojtko Crossover\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eIntegration between the electrostatic panel and powered woofer system is handled through MartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVojtko crossover architecture\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe passive portion uses components including \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecustom-wound audio transformers, air-core inductors and polypropylene capacitors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe bass system adds 24-bit DSP and dedicated amplification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCombining passive electrostatic crossover engineering with active DSP bass management allows MartinLogan to treat the two fundamentally different transducer technologies according to their individual requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWBT nextgen Binding Posts\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Renaissance ESL 15A uses \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eWBT-0703Cu nextgen 5-way binding posts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe signal conductors are manufactured from gold-plated, nickel-free, non-ferromagnetic pure copper. WBT minimizes conductive mass in the signal path and designs the terminals to avoid eddy-current effects associated with conventional high-mass metal binding posts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe connections accept substantial high-end loudspeaker cabling while providing a secure mechanical interface.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAmplifier Matching\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAlthough the bass system is internally powered, the electrostatic panel still places meaningful demands on the connected amplifier.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Renaissance ESL 15A has a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4-ohm nominal impedance that falls to 0.5 ohm at 20 kHz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan currently specifies recommended amplifier power of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20 to 700 watts per channel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and compatibility with amplifiers rated for 4-, 6- or 8-ohm loudspeakers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWattage alone, however, does not describe amplifier compatibility with an electrostatic load. Stability, output-stage design and the amplifier's behavior as impedance falls at high frequencies should all be considered when building the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e92 dB Sensitivity\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan specifies sensitivity at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e92 dB with 2.83 volts at one meter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCombined with the internally amplified woofer system, this allows the external amplifier to concentrate primarily on driving the electrostatic panel rather than supplying the enormous current required for deep bass from two 12-inch dynamic woofers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis opens a particularly interesting range of amplification choices, including high-quality solid-state and appropriate tube electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Details\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eMartinLogan Renaissance ESL 15A\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePowered Hybrid Electrostatic Floorstanding Loudspeaker\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Frequency Response\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e22 Hz to 21 kHz ±3 dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHigh\/Mid Frequency Transducer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eXStat CLS Electrostatic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrostatic Panel Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e46 × 15 in \/ 116.9 × 38.1 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrostatic Radiating Area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e690 in² \/ approx. 4,450 cm²\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePanel Technology\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCLS \/ XStat \/ MicroPerf \/ ClearSpar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePanel Frame\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAirFrame Blade\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHorizontal Dispersion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30°\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVertical Dispersion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e46 in \/ 116.9 cm line source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLow-Frequency Drivers\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 × 12 in \/ 30.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWoofer Construction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-excursion rigid aluminum cone\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWoofer Basket\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCast\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWoofer Enclosures\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndependent sealed chambers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBass Technology\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePoweredForce Forward\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInternal Amplification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 × 500 W Class D per speaker\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInternal Peak Amplification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 × 1,000 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBass Processing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24-bit Vojtko DSP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCrossover Frequency\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e300 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRoom Correction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnthem Room Correction Ready\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eARC Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSold separately\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDeep Bass Adjustment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±10 dB below 75 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMid-Bass Adjustment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-2 \/ 0 \/ +2 dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSensitivity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e92 dB \/ 2.83 V \/ 1 m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eImpedance at 20 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended Amplifier Power\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 to 700 W per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBinding Posts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWBT-0703Cu nextgen 5-way\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCrossover Components\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCustom-wound transformer, air-core coils, polypropylene capacitors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eARC Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRJ45 \/ Mini USB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Power Draw\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e900 W per speaker\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStandby Power Draw\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;0.5 W per speaker\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e69.8 in \/ 177.3 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWidth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15.75 in \/ 40 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDepth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e28.9 in \/ 73.3 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e140 lb \/ 63.5 kg each\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan's current specifications confirm the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e22 Hz to 21 kHz response, 92 dB sensitivity, 4-ohm nominal impedance, 0.5-ohm impedance at 20 kHz and dual 500-watt internal amplifiers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMartinLogan Renaissance ESL 15A at The Grid HiFi\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Grid HiFi in Houston specializes in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMartinLogan electrostatic loudspeakers and complete reference two-channel systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Renaissance ESL 15A deserves to be designed as a complete system. Its electrostatic panel, 0.5-ohm high-frequency impedance, powered bass architecture and dipole radiation make \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eamplifier matching, speaker positioning and room integration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e especially important.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe can match the Renaissance ESL 15A with appropriate reference amplification, configure its PoweredForce Forward bass system, perform ARC calibration, optimize panel placement and design the complete signal chain around the room.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThat includes digital and analog sources, amplification, cabling, power infrastructure, equipment support, networking, speaker positioning and final system calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eComplimentary White Glove Delivery • Travel Reimbursement*\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eQualifying purchasers may receive airfare reimbursement for your private audition.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eConsidering the Renaissance ESL 15A? Experience it properly before you decide. Call The Grid HiFi at (713) 218-8120 to arrange your private consultation.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003e\u003cspan\u003e*Restrictions apply. Contact us for details.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"MartinLogan","offers":[{"title":"Gloss Black","offer_id":55150686142801,"sku":null,"price":28999.98,"currency_code":"USD","in_stock":true},{"title":"Walnut","offer_id":55150686175569,"sku":null,"price":28999.98,"currency_code":"USD","in_stock":true},{"title":"Cherry","offer_id":55150686208337,"sku":null,"price":28999.98,"currency_code":"USD","in_stock":true},{"title":"Arctic Silver","offer_id":55150686241105,"sku":null,"price":28999.98,"currency_code":"USD","in_stock":true},{"title":"Desert Silver","offer_id":55150686273873,"sku":null,"price":28999.98,"currency_code":"USD","in_stock":true},{"title":"Meteor Grey","offer_id":55150686306641,"sku":null,"price":28999.98,"currency_code":"USD","in_stock":true},{"title":"Rosso Fuoco","offer_id":55150686339409,"sku":null,"price":28999.98,"currency_code":"USD","in_stock":true},{"title":"Cordoba Red","offer_id":55150686372177,"sku":null,"price":28999.98,"currency_code":"USD","in_stock":true},{"title":"Deep See Blue","offer_id":55150686404945,"sku":null,"price":28999.98,"currency_code":"USD","in_stock":true},{"title":"Basalt Black","offer_id":55150686437713,"sku":null,"price":28999.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/files\/48529141302_3da54b842a_b.jpg?v=1790909379"},{"product_id":"martinlogan-expression-esl-13a","title":"MartinLogan Expression ESL 13A Speakers | The Grid HiFi","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eMartinLogan Expression ESL 13A Electrostatic Loudspeakers\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eComplimentary White Glove Delivery • Travel Reimbursement*\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMartinLogan Expression ESL 13A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a Masterpiece Series hybrid electrostatic loudspeaker combining a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e44 × 13-inch XStat CLS electrostatic panel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with two independently powered 10-inch aluminum-cone woofers. The electrostatic transducer provides 572 square inches of radiating area for the frequencies above 300 Hz, while the active bass system extends response to a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e24 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach 10-inch woofer operates in its own sealed chamber and is driven by a dedicated \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e300-watt Class D amplifier\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing 600 watts of internal bass amplification per speaker. MartinLogan's 24-bit Vojtko DSP manages the low-frequency system, while PoweredForce Forward controls the interaction between the opposing woofers and the wall behind the speaker. Anthem Room Correction provides further optimization of the powered bass section for the listening environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis combination gives the Expression ESL 13A the speed and controlled radiation of a large electrostatic panel with deep bass, substantial dynamic capability and far greater room adaptability than a traditional passive electrostatic design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e44 × 13-Inch XStat CLS Electrostatic Panel\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Expression ESL 13A uses MartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eXStat Curvilinear Line Source electrostatic transducer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, measuring 44 inches high by 13 inches wide with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e572 square inches of radiating area\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe panel handles the entire spectrum above the 300 Hz crossover point.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstead of dividing the midrange and treble among conventional cone, dome and crossover systems, a single extremely lightweight diaphragm reproduces this broad frequency range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe conductive diaphragm is suspended between perforated stators. As the musical signal changes the electrostatic field, force is applied across the diaphragm's entire surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith very little moving mass and no conventional voice coil attached to the diaphragm, the XStat panel is capable of responding to extremely small signal changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCurvilinear Line Source Technology\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eLarge flat electrostatic panels naturally become increasingly directional at high frequencies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCurvilinear Line Source, or CLS, geometry\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e introduces a precisely controlled horizontal curvature into the panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Expression ESL 13A provides \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e30 degrees of horizontal dispersion\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e while maintaining a 44-inch vertical line source.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis controlled radiation pattern also influences how the loudspeaker interacts with the room. Relatively little acoustic energy is directed toward the side walls compared with a conventional wide-dispersion loudspeaker, reducing early lateral reflections that can interfere with stereo localization.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDipole Electrostatic Radiation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe XStat panel is a true \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edipole transducer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt radiates from both its front and rear surfaces, with the rear wave opposite in phase to the front. At the sides of the panel, these opposing wavefronts largely cancel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe rear radiation remains an important part of the listening experience, contributing reflected energy from the wall behind the loudspeaker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes positioning particularly important. MartinLogan recommends giving the electrostatic panel substantial distance from the wall behind it, allowing the rear wave to arrive sufficiently later than the direct sound from the front of the panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMicroPerf Stator Technology\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe perforated stators surrounding the diaphragm must remain rigid while allowing acoustic output from the electrostatic membrane to pass through them.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMicroPerf technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e increases the amount of exposed diaphragm surface compared with earlier stator designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis allows a greater percentage of the electrostatic diaphragm to contribute directly to the acoustic output without requiring a physically larger panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor the Expression ESL 13A, the result is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e572 square inches of active radiating area\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e within a relatively slender 13-inch-wide panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eClearSpar Reinforcement\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan's transparent \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eClearSpar spacers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e reinforce the panel while maintaining the precise spacing and diaphragm tension required across its surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe narrow transparent structures provide mechanical support without substantially obstructing the radiating area or the characteristic visual transparency of the electrostatic panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis becomes increasingly important as panel dimensions increase because maintaining consistent geometry across the entire diaphragm is fundamental to predictable electrostatic operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAirFrame Blade Construction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe electrostatic panel is mounted using MartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAirFrame Blade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, precision manufactured from aerospace-grade extruded aluminum alloy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe structure is deliberately narrow from the front and considerably deeper when viewed from the side. This geometry creates a rigid structural support without unnecessarily obstructing the panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe AirFrame also mechanically separates the electrostatic assembly from the bass enclosure, reducing the transmission of vibration generated by the dynamic woofers into the panel structure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDual 10-Inch Aluminum Woofers\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eLow frequencies are generated by \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etwo 10-inch high-excursion aluminum-cone woofers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach driver uses a rigid aluminum diaphragm, cast basket and extended-throw motor system and operates within its own independent sealed enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe opposed driver arrangement is important because MartinLogan does more than simply use two woofers to increase bass output. Their physical orientation, dedicated amplification and DSP-controlled phase relationship form the basis of PoweredForce Forward technology.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe complete loudspeaker reaches a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e24 Hz at ±3 dB\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e600 Watts of Internal Bass Amplification Per Speaker\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eEach 10-inch woofer has its own \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e300-watt Class D amplifier\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e600 watts of dedicated internal bass amplification in each Expression ESL 13A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePeak capability is specified at 600 watts per woofer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe external amplifier therefore does not directly supply the power required to drive the two large dynamic bass drivers. It drives the electrostatic section while the internal amplifier system handles the substantial power requirements of the woofer array.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis allows MartinLogan to optimize the woofer, amplifier and DSP as a complete low-frequency system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e24-Bit Vojtko DSP\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe bass system is controlled by a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e24-bit Vojtko Digital Signal Processing engine\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e developed by MartinLogan.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDSP manages the low-pass filters, woofer equalization, phase relationships and limiting functions required by the active bass architecture.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis precise control is particularly important at the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e300 Hz crossover\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, where two fundamentally different transducer technologies must operate as one loudspeaker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRather than relying exclusively on passive components to integrate the electrostatic panel with the dynamic bass drivers, MartinLogan can optimize the behavior of the powered woofer system in the digital domain.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePoweredForce Forward Bass\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePoweredForce Forward\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e uses the physical arrangement of the two woofers together with DSP-controlled phase relationships to reduce problematic bass energy radiating toward the wall behind the loudspeaker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBass reflected from the front wall can return toward the listener and interact with the direct output of the speaker, producing peaks and cancellations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBy controlling the phase relationship between the opposing woofers, MartinLogan reduces this rearward bass energy and creates a more controlled forward launch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe technology also increases placement flexibility compared with a conventional omnidirectional bass system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAnthem Room Correction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Expression ESL 13A incorporates \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAnthem Room Correction compatibility for its powered bass section\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eARC measures the loudspeaker's low-frequency behavior in the actual listening environment and calculates correction filters to address room-induced response problems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eImportantly, correction is applied to the powered bass system rather than digitizing the signal sent to the electrostatic panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ARC or PBK measurement microphone kit required for calibration is sold separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAdjustable Bass Response\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eTwo physical controls provide additional low-frequency adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDeep Bass:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ±10 dB below 75 Hz\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMid-Bass:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e -2 dB \/ 0 dB \/ +2 dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese controls provide useful room and placement compensation without requiring a complete ARC calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe deep-bass control offers substantial adjustment where room gain can have its greatest influence, while the mid-bass control allows finer optimization of the region approaching the electrostatic crossover.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAdvanced Vojtko Crossover\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Expression ESL 13A uses MartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eadvanced-topology Vojtko crossover\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to integrate the electrostatic panel with the active bass system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts passive components include a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecustom-wound audio transformer, air-core inductors and polypropylene capacitors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe electrostatic transducer requires the transformer because it operates at substantially higher voltage than the signal supplied directly by a conventional power amplifier.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe powered bass section combines this passive architecture with dedicated amplification and 24-bit DSP.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWBT nextgen Binding Posts\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eLoudspeaker-level signal connection is through \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eWBT-0703Cu nextgen 5-way binding posts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe terminals use gold-plated, nickel-free, non-ferromagnetic pure copper conductors designed to minimize unnecessary conductive mass and eddy-current effects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThey accommodate substantial loudspeaker cables while providing the mechanical connection expected in a system at this level.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAmplifier Matching\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe powered bass system substantially reduces the burden placed on the external amplifier, but the XStat electrostatic panel remains a demanding electrical load.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNominal impedance is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4 ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, falling to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.7 ohm at 20 kHz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan's current product specifications recommend amplification from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20 to 600 watts per channel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and state compatibility with amplifiers rated for 4-, 6- or 8-ohm loudspeakers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe wattage figure should not be considered in isolation. Stability into the electrostatic load, output-stage design and overall amplifier quality are critical when selecting electronics for the Expression ESL 13A.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Details\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eMartinLogan Expression ESL 13A\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMasterpiece Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePowered Hybrid Electrostatic Floorstanding Loudspeaker\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFrequency Response\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 Hz to 23 kHz ±3 dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrostatic Transducer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eXStat CLS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePanel Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e44 × 13 in \/ 112 × 33 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRadiating Area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e572 in² \/ 3,696 cm²\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePanel Technology\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eXStat \/ CLS \/ MicroPerf \/ ClearSpar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePanel Structure\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAirFrame Blade\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHorizontal Dispersion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30°\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVertical Dispersion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e44 in \/ 112 cm line source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBass Drivers\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 × 10 in \/ 25.4 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWoofer Construction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRigid aluminum cone\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWoofer Basket\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCast\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWoofer Enclosures\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndependent sealed chambers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBass Technology\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePoweredForce Forward\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInternal Amplification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 × 300 W Class D per speaker\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInternal Peak Amplification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 × 600 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBass Processing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24-bit Vojtko DSP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCrossover Frequency\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e300 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRoom Correction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnthem Room Correction Ready\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eARC\/PBK Microphone Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSold separately\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDeep Bass Adjustment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±10 dB below 75 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMid-Bass Adjustment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-2 \/ 0 \/ +2 dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSensitivity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e91 dB \/ 2.83 V \/ 1 m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eImpedance at 20 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.7 Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended Amplifier Power\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 to 600 W per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAmplifier Compatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 \/ 6 \/ 8 Ω rated amplifiers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCrossover Components\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCustom-wound transformer, air-core coils, polypropylene capacitors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBinding Posts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWBT-0703Cu nextgen 5-way\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eARC Connections\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRJ45 \/ Mini USB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Power Draw\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e500 W per speaker\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStandby Power Draw\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;1 W per speaker\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLED Control\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOn \/ Dim \/ Off\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e61.5 in \/ 156.1 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWidth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13.4 in \/ 33.9 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDepth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e27.5 in \/ 69.9 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e103 lb \/ 46.8 kg each\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eMartinLogan Expression ESL 13A at The Grid HiFi\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Grid HiFi in Houston specializes in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMartinLogan electrostatic loudspeakers and complete high-end two-channel systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Expression ESL 13A benefits enormously from proper system design. Its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.7-ohm high-frequency impedance, powered dual-woofer architecture and dipole electrostatic radiation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e make amplifier selection, speaker positioning and bass integration important parts of the final result.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe can match the Expression ESL 13A with appropriate amplification, optimize its PoweredForce Forward bass system, perform ARC calibration and establish the panel position and toe-in around the listening room.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Grid can also design the complete system, including digital and analog sources, amplification, cabling, power infrastructure, equipment support, networking and final system calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eComplimentary White Glove Delivery • Travel Reimbursement*\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eQualifying purchasers may receive airfare reimbursement for your private audition.\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eConsidering the Expression ESL 13A? Experience it properly before you decide. Call The Grid HiFi at (713) 218-8120 to arrange your private consultation.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003e\u003cspan\u003e*Restrictions apply. Contact us for details.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"MartinLogan","offers":[{"title":"Gloss Black","offer_id":55150686470481,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true},{"title":"Walnut","offer_id":55150686503249,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true},{"title":"Cherry","offer_id":55150686536017,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true},{"title":"Arctic Silver","offer_id":55150686568785,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true},{"title":"Desert Silver","offer_id":55150686601553,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true},{"title":"Meteor Grey","offer_id":55150686634321,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true},{"title":"Rosso Fuoco","offer_id":55150686667089,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true},{"title":"Cordoba Red","offer_id":55150686699857,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true},{"title":"Deep See Blue","offer_id":55150686732625,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true},{"title":"Basalt Black","offer_id":55150686765393,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true},{"title":"Gloss White","offer_id":55150709965137,"sku":null,"price":17999.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/files\/48529190322_80ca7a5454_b.jpg?v=1790910363"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/collections\/3971494613_b77ec2b566_b.jpg?v=1790902451","url":"https:\/\/gridhifi.com\/collections\/martinlogan.oembed","provider":"The Grid","version":"1.0","type":"link"}