ML-EFXBLE On-wall Hybrid Elec - MartinLogan Electromotion Electrostatic Speakers
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Information
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.
Specifications
Technical Specifications
 |  |  |  |  |  | |
|---|---|---|---|---|---|---|
| ElectroMotion ESL X | EFX | ElectroMotion ESL | ElectroMotion ESL C | ElectroMotion C2 | ElectroMotion FX2 | |
| Frequency Response | 41–22,000 Hz ±3dB | 68–22,000 Hz ±3dB | 42–22,000 Hz ±3dB | 66–23,000 Hz ±3dB | 55–25,000 Hz ±3dB | 55–25,000 Hz ±3dB |
| Dispersion | 30° x 40" (101.6cm) line source | 30° x 28" (71cm) line source | 30° x 34" (71cm) line source | 30° x 6.375" (16cm) line source | 80° x 30° | 160° x 30° |
| Sensitivity | 91 dB/2.83 volts/meter | 90 dB/2.83 volts/meter | 91 dB/2.83 volts/meter | 89 dB/2.83 volts/meter | 94 dB @ 2.83 volts/ meter | 93 dB @ 2.83 volts/ meter |
| Nominal Impedance | 6 Ohms, 1.6 @ 20kHz. Compatible with 4, 6 or 8 ohm rated amplifiers. | 6 Ohms, 1.3 @ 20kHz. Compatible with 4, 6 or 8 ohm rated amplifiers. | 6 Ohms, 1.6 @ 20kHz. Compatible with 4, 6 or 8 ohm rated amplifiers. | 4 Ohms. Compatible with 4, 6 or 8 ohm rated amplifiers. | 4 Ohms. Compatible with 4, 6 or 8 ohm rated amplifiers. | 5 Ohms. Compatible with 4, 6 or 8 ohm rated amplifiers. |
| Recommended Amplifier Power | 20-400 watts per channel | 20-300 watts per channel | 20-300 watts per channel | 20-300 watts per channel | 20-250 watts per channel | 20-200 watts per channel |
| Crossover Frequency | 400Hz | 530Hz | 500Hz | 600, 3400 Hz | 900, 2,300 Hz | 2,300Hz |
| High Frequency Transducer | XStat™ CLS™ electrostaic transducer | XStat™ CLS™ electrostaic transducer | XStat™ CLS™ electrostaic transducer | One 1" x 1.4" (2.6cm x 3.6cm) Folded Motion Transducer with 5.25" x 1.75" (13.3cm x 4.4cm) diaphragm. | One 1.25" × 2.4" (3.2cm × 6.1cm) Folded Motion XT Transducer with 4.5" × 2.75" (11.4cm × 7cm) diaphragm | Two 1.25" × 2.4" (3.2cm × 6.1cm) Folded Motion XT Transducers with 4.5" × 2.75" (11.4cm × 7cm) diaphragm |
| » Panel Dimensions (HxW) | 40" x 8.6" (102cm x 22cm) |
28" x 8.6" (71cm x 22cm) |
34" x 8.6" (86cm x 22cm) |
— | — | — |
| » Radiating Area | 344 in2 ( cm2) |
241 in2 ( cm2) |
292 in2 ( cm2) |
— | — | — |
| Mid Frequency Transducer | — | — | — | XStat™ CLS™ electrostaic transducer | — | — |
| » Panel Dimensions (HxW) | — | — | — | 6.375" x 23" (16cm x 58cm) |
— | — |
| » Radiating Area | — | — | — | 147 in2 ( cm2) |
— | — |
| Low Frequency Driver | Two 8” (20.3 cm) high excursion, high-rigidity paper cones with extended throw driver assembly, non-resonance asymmetrical chamber format, bass reflex | 6.5" (16.5cm) high excursion, fiber cone with extended throw drive assembly; bass reflex | 8" (20.3cm) high excursion, high-rigidity paper cone with extended throw drive assembly, non-resonance asymmetrical chamber format; bass reflex | Two 5.25" (13.3 cm) high excursion, high-rigidity aluminum cone with extended throw driver assembly, non-resonance asymmetrical chamber format. | Two 5.25" (13.3cm) paper cone with cast aluminum basket. Ported. | 6.5" (16.5cm) paper cone with cast aluminum basket. Ported. |
| Weight | 52lbs. (23.6kg) each | 24.5lbs. (11.1kg) each | 35.5lbs. (16.1kg) each | 32lbs. (14.5kg) each | 24.5lbs. (11.12kg) each | 16lbs. (7.3kg) each |
| Overall Dimensions (HxWxD) |
59.2 x 9.4 x 20.7 (150.3cm x 23.8cm x 52.6cm) | 48.8 x 9.4 x 6.5 (123.9cm x 23.8cm x 16.5cm) | 52.1 x 9 x 16.3 (132.3cm x 22.9cm x 41.4cm) | 7.6 x 22.8 x 16.1 (19.3cm x 57.9cm x 40.9cm) | 6.4 x 18.9 x 14.3 (16.4cm x 48.2cm x 36.5cm) | 14.9 x 14 x 6.8 (37.9cm x 35.5cm x 17.2cm) |
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