MartinLogan ElectroMotion EFX | Electrostatic Wall-Mounted Loudspeaker (Single Unit)

Incredible Sound in a Slim Design with the ElectoMotion EFX Wall-Mounted Speaker

Versatile on-wall electrostat is perfect for a complete electrostatic home theater implementation
Efficient, dynamic, and precise
MartinLogan's advanced tech in a slim, low-profile, speaker

CLS XStat Transducer
Housed within a radical, ultra-ridged extruded aluminum AirFrame™, the EFX's new CLS XStat transducer builds upon the legacy of MartinLogan's electrostatic heritage with the incorporation of advanced vacuum bonding and MicroPerf stat panels, providing even greater efficiency and precision.

Slim On-Wall Profile
If you won't settle for anything but electrostats next to your new flatscreen TV, the EFX is the perfect solution at just 6.5-inches deep. Free up precious floorspace by mounting EFX to your wall with the included wall brackets. The EFX is also the ultimate high-performance home theater surround speaker and complements MartinLogan's entire line of electrostatic loudspeakers. EFX rotates with the pivoting wall bracket to easily focus your surround sound experience.
Advanced Vojtko Filtering
Proprietary Vojtko filtering technology is utilized for EFX's electrostatic transducer. This audiophile quality network, derived from the CLX, is carefully hand-built using precision point-to-point wiring, polypropylene capacitors, massive air-core coils, and a custom wound E-I core transformer—flawlessly preserving micro-acoustic subtleties while effortlessly handling the broadest range of dynamics contained within even the most demanding sonic source.
Specifications


Frequency Response: 68–22,000 Hz ±3dB

Recommended Amplifier Power: 20—300 watts per channel

Horizontal Dispersion: 30°

Vertical Dispersion: 28" line source

Sensitivity: 90 dB/2.83 volts/meter

Impedance: 6Ω, 1.3 @ 20kHz Compatible with 4, 6, or 8Ω rated amplifiers

Crossover Frequency: 530Hz

High Frequency Transducer: XStat™ CLS™ electrostatic transducer

Panel Dimensions: 28" x 8.6"
Radiating Area: 241 in²



Low Frequency Transducer: 6.5" high excursion, fiber cone with extended throw drive assembly; bass reflex

Components: Custom-wound E-I core transformer, air core coils, metal film capacitors

Inputs: Custom 5-way bi-wire tool-less binding posts

Power Draw: Max: 2W each | Standby: < 1W each

Weight: 24.5 lbs

Dimensions: 48.8" x 9.4" x 6.5"
MartinLogan 5-Year Warranty