{"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","url":"https:\/\/gridhifi.com\/products\/martinlogan-renaissance-esl-15a","provider":"The Grid","version":"1.0","type":"link"}