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MartinLogan |
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MartinLogan has always been at the forefront of electrostatic speaker technology, and they continually work to refine the exquisite sound of their signature speaker lines. The Impression ESL 11A from the company’s Masterpiece Series represents another step forward, with nuanced upgrades to the design, and a newly added compatibility with industry-leading room correction software. Long story short, this speaker is an improvement on an audiophile classic.
If you’re used to traditional woofers and tweeters, welcome to something different, and very cool. Instead of domes and cones, this speaker uses an electrostatic panel to reproduce treble and midrange. It’s an ultra-thin diaphragm that’s suspended between two electrically charged perforated steel plates. The diaphragm’s light weight allows it to move back and forth between the plates thousands of times a second, creating incredibly detailed, lifelike sound.
The ESL 11A’s curved panel is a perfect blend of high-end form and function. Efficient MicroPerf technology exposes more of the electrostatic diaphragm surface, allowing the speaker to create a wide soundstage from a relatively narrow panel. Ultra-rigid AirFrame Blade construction — precision manufactured from an aerospace-grade extruded aluminum alloy — reduces vibrations and enhances imaging, sonic detail, and accuracy.
Previous speakers in the ESL line have offered powerful bass, but MartinLogan made some important tweaks to the Impression ESL 11A. The speaker’s cabinet houses two 8″ high-excursion aluminum cone woofers in an opposing array — one facing forward and one rear-firing — and each is in an individual sealed enclosure. It’s a balanced design that greatly reduces cabinet vibrations that can occur when both woofers face forward.
The woofers are powered by dual 275-watt Class D amplifiers controlled by a refined 24-Bit Vojtkoâ„¢ DSP engine. MartinLogan’s proprietary PoweredForceâ„¢ and ForceForwardâ„¢ technologies provide musical, detailed bass.
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