{"product_id":"martinlogan-electromotion-esl-c-center-channel","title":"MartinLogan ElectroMotion ESL C Center Speaker | The Grid","description":"\u003ch1\u003e\u003cspan\u003eMartinLogan ElectroMotion ESL C Electrostatic Center Channel Speaker\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMartinLogan ElectroMotion ESL C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a high-performance \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethree-way electrostatic center channel speaker\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e engineered to bring the speed and transparency of MartinLogan's ElectroMotion floorstanding speakers into a compact home theater center channel. It combines an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eXStat CLS electrostatic midrange panel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFolded Motion tweeter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and dual \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5.25-inch aluminum-cone woofers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e in MartinLogan's CenterForce configuration. \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.martinlogan.com\/en\/product\/electromotion-esl-c?utm_source=chatgpt.com\"\u003eMartinLogan, Ltd.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith a frequency response of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e66 Hz–23 kHz ±3 dB\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, 89 dB sensitivity, and a cabinet only \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7.6 inches high\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the ElectroMotion ESL C is designed to deliver articulate dialogue and a cohesive electrostatic front soundstage without requiring a floorstanding center speaker. \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.martinlogan.com\/en\/product\/electromotion-esl-c?utm_source=chatgpt.com\"\u003eMartinLogan, Ltd.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eXStat CLS Electrostatic Midrange\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAt the heart of the ESL C is MartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eXStat CLS electrostatic transducer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The system uses two \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6.375 × 9-inch electrostatic sections\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with a combined \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e114 square inches of radiating area\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.martinlogan.com\/en\/product\/electromotion-esl-c?utm_source=chatgpt.com\"\u003eMartinLogan, Ltd.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike a conventional cone midrange, the electrostatic diaphragm has extremely low moving mass. Its gently curved CLS geometry provides \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e30° horizontal dispersion\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, helping maintain consistent dialogue and midrange performance across multiple seating positions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFolded Motion Tweeter\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eHigh frequencies are handled by a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1 × 1.4-inch Folded Motion Transducer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e using a much larger \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5.25 × 1.75-inch diaphragm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Folded Motion design uses a low-mass pleated diaphragm to move air through controlled squeezing motion rather than operating like a conventional dome tweeter. In the ESL C, it extends high-frequency reproduction to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e23 kHz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e while complementing the transient characteristics of the electrostatic midrange. \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.martinlogan.com\/en\/product\/electromotion-esl-c?utm_source=chatgpt.com\"\u003eMartinLogan, Ltd.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCenterForce Dual-Woofer System\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMartinLogan developed its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCenterForce\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e architecture specifically to package substantial bass capability into the ESL C's relatively compact cabinet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstead of placing the woofers beside the electrostatic panel, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etwo 5.25-inch high-excursion aluminum-cone woofers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are housed centrally behind the tweeter and electrostatic assembly. Their rigid, lightweight diaphragms and extended-throw motor assemblies provide the low-frequency foundation while keeping cabinet height to just 7.6 inches. \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.martinlogan.com\/en\/product\/electromotion-esl-c?utm_source=chatgpt.com\"\u003eMartinLogan, Ltd.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eThree-Way Crossover Architecture\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe ElectroMotion ESL C crosses its three driver systems at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e600 Hz and 3,400 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, allowing each transducer to operate within its intended range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe crossover incorporates a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecustom-wound audio transformer, air-core coils, low-DCR steel-laminate coils, and polyester capacitors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. This network is particularly important in a hybrid electrostatic design because it must integrate three fundamentally different transducer technologies into a coherent center channel. \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.martinlogan.com\/en\/product\/electromotion-esl-c?utm_source=chatgpt.com\"\u003eMartinLogan, Ltd.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDesigned for an ElectroMotion Home Theater\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe ESL C is specifically designed to complement MartinLogan's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eElectroMotion ESL and ElectroMotion ESL X\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e floorstanding electrostatic speakers. Using an electrostatic transducer across the front soundstage helps maintain consistent midrange character as voices and effects move between the left, center, and right channels. \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.martinlogan.com\/en\/product\/electromotion-esl-c?utm_source=chatgpt.com\"\u003eMartinLogan, Ltd.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts relatively compact \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e22.8-inch width and 7.6-inch height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e also allow the ESL C to fit into many A\/V cabinets where a larger electrostatic center would be impractical.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Details\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eMartinLogan ElectroMotion ESL C\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eType\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e3-Way Electrostatic Center Channel Loudspeaker\u003c\/span\u003e\u003c\/strong\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\u003cstrong\u003e\u003cspan\u003e66 Hz–23 kHz ±3 dB\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Frequency Driver\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e1 × 1.4\" Folded Motion Transducer\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTweeter Diaphragm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e5.25 × 1.75\"\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMidrange\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eXStat CLS electrostatic transducer\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrostatic Panels\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e2 × 6.375 × 9\"\u003c\/span\u003e\u003c\/strong\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\u003cstrong\u003e\u003cspan\u003e114 in² \/ 740 cm²\u003c\/span\u003e\u003c\/strong\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\u003cstrong\u003e\u003cspan\u003e30°\u003c\/span\u003e\u003c\/strong\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\u003cstrong\u003e\u003cspan\u003e6.375\" \/ 16 cm line source\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWoofers\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e2 × 5.25\" aluminum cone\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWoofer Design\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-excursion, high-rigidity, extended-throw\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBass Architecture\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCenterForce dual-woofer system\u003c\/span\u003e\u003c\/strong\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\u003cstrong\u003e\u003cspan\u003e600 Hz \/ 3,400 Hz\u003c\/span\u003e\u003c\/strong\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\u003cstrong\u003e\u003cspan\u003e89 dB \/ 2.83 V \/ 1 m\u003c\/span\u003e\u003c\/strong\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\u003cstrong\u003e\u003cspan\u003e4 Ω\u003c\/span\u003e\u003c\/strong\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-, or 8-ohm rated amplifiers\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\u003cstrong\u003e\u003cspan\u003e20–300 W\/channel\u003c\/span\u003e\u003c\/strong\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, low-DCR steel-laminate coils, polyester capacitors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnections\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCustom 5-way tool-less binding posts\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions (H × W × D)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e7.6 × 22.8 × 16.1 in\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMetric Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e19.3 × 57.9 × 40.9 cm\u003c\/span\u003e\u003c\/strong\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\u003cstrong\u003e\u003cspan\u003e32 lb \/ 14.5 kg\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eSpecifications verified against MartinLogan's current product page and manufacturer literature. \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.martinlogan.com\/en\/product\/electromotion-esl-c?utm_source=chatgpt.com\"\u003eMartinLogan, Ltd.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMartinLogan ElectroMotion ESL C at The Grid HiFi\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThe Grid HiFi in Houston specializes in MartinLogan electrostatic loudspeakers and complete high-performance home theater systems.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ElectroMotion ESL C is particularly well suited to systems built around \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eElectroMotion ESL or ESL X front speakers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, maintaining electrostatic midrange technology across the critical front soundstage. The Grid can match amplification and processing, establish crossover points, integrate subwoofers, and design the complete theater around the room and listening positions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBuilding a MartinLogan ElectroMotion theater? Call The Grid HiFi at (713) 218-8120 for system design and a private consultation.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"MartinLogan","offers":[{"title":"Default Title","offer_id":55166088282449,"sku":null,"price":1999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/files\/electromotion-esl-c-5a54e99da8126.png?v=1791051296","url":"https:\/\/gridhifi.com\/products\/martinlogan-electromotion-esl-c-center-channel","provider":"The Grid","version":"1.0","type":"link"}