EFX

Electrostatic On-Wall

Get off the floor and on the wall with the EFX electrostatic on-wall speaker. This versatile on-wall electrostat is the perfect surround speaker for any MartinLogan home theater system.


$3,095.00 pair
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EFX

Surround Yourself with EFX

MartinLogan is proud to introduce the slim, on-wall EFX™ hybrid electrostatic loudspeaker, featuring XStat™ technology, dramatically reducing cabinet size, yet establishing new standards for efficiency, dynamics and precision.

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.

Custom 5-Way Binding Posts and Low-Voltage Power Supply

MartinLogan's proprietary tool-less binding posts simplify cable connection and management. EFX features custom 5-way binding posts and provide the ultimate level of flexibility for connection and setup. To further simplify setup and cable management, the EFX features a low-voltage DC power supply eliminates the need for a traditional, heavy IEC power cord.

EFX

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EFX Specifications

Specifications are subject to change without notice

Frequency Response

68–22,000 Hz ±3dB

Horizontal Dispersion

30°

Vertical Dispersion

28" (71cm) line source

High Frequency Transducer

XStat™ CLS™ electrostaic transducer

» Panel Dimensions

28" x 8.6" (71 x 22cm)

» Radiating Area

241 in² (1,562 cm² )

Low Frequency Transducer

6.5" (16.5cm) high excursion, fiber cone with extended throw drive assembly; bass reflex

Sensitivity

90 dB/2.83 volts/meter

Impedance

6 Ohms, 1.3 @ 20kHz Compatible with 4, 6, or 8 Ohm rated amplifiers.

Recommended Amplifier Power

20—300 watts per channel

Crossover Frequency

530Hz

Components

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

Inputs

Custom 5-way binding posts

Power Draw

Max: 2W each
Standby: <1W each

Weight

24.5 lbs. (11.1 kg)

Dimensions

48.8" x 9.4" x 6.5 "
(123.9cm x 23.8cm x 16.5cm)

Customer Reviews For EFX

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