{"product_id":"martin-logan-focus-esl-c18-center-channel-speaker","title":"Martin Logan Focus ESL C18 Center Channel Speaker","description":"Specifications: Frequency Response: 50 Hz – 23,000 Hz (lowest frequency: 50 Hz); Sensitivity: 90 dB; Recommended Power: 50–400 W; Impedance: 4 Ohms. The Martin Logan Focus ESL C18 is a high-performance 3-way center channel speaker engineered for reference vocal clarity. It features a 7.5\" x 18\" CLS XStat electrostatic panel for rich midrange detail, a Folded Motion tweeter for fast high-frequency imaging, and twin 6.5\" aluminum woofers for dynamic bass. Built with a proprietary Vojtko crossover network and audiophile WBT binding posts, it includes an acoustic switch to optimize output for on-wall or shelf mounting.  \n\nReviews consistently highlight the Focus ESL C18 as a benchmark center speaker, praising its crystal-clear dialogue and expansive soundstage. Listeners emphasize its fast transient response, pinpoint detail, and seamless timbre-matching with electrostatic floorstanders. Reviewers also applaud the acoustic contour switch, noting it maintains balanced, distortion-free low-end clarity regardless of room placement.  \n\nHome theater enthusiasts looking to eliminate muffled dialogue and achieve flawless acoustic cohesion with high-end electrostatic main speakers will find this unit an essential upgrade, delivering concert-grade sound without compromising room aesthetics.","brand":"The Music Room","offers":[{"title":"Default Title","offer_id":53202278908185,"sku":"97536","price":3099.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/4225\/1545\/files\/97536-5.jpg?v=1789673499","url":"https:\/\/tmraudio.com\/products\/martin-logan-focus-esl-c18-center-channel-speaker","provider":"The Music Room","version":"1.0","type":"link"}