Martin Logan Impression ESL 11 A Loudspeakers

Frequency Response

29–23,000 Hz ±3dB 

Horizontal Dispersion

30°

Vertical Dispersion

44" (112cm) line source 

High Frequency Transducer

XStat™ CLS™ electrostatic transducer

» Panel Dimensions

44" x 11" (112 x 28cm) 

» Radiating Area

484 in² (3,136 cm² ) 

Low Frequency Transducer 

Two 8” (20.3 cm) cast basket, high excursion, rigid aluminium cone and extended throw drive assembly, non-resonance asymmetrical chamber format.

Room Correction (Bass Section)

Anthem Room Correction (ARC™) ready (Sold Separately)

Amplifier

Woofer: 2 x 275 watts/channel (4 ohms), 2 x 550 watts peak

Sensitivity

91 dB/2.83 volts/meter

Impedance

4 Ohms, 0.6 at 20kHz Compatible with 4, 6, or 8 Ohm rated amplifiers.

Recommended Amplifier Power

20—550 watts per channel

Crossover Frequency

300Hz

Components

Custom-wound audio transformer, air core coils, polypropylene capacitors. 24-bit DSP based preamplifier (used with woofer amplifier).

Audio Controls

Bass: ±10 dB under 75 Hz
Mid-Bass: –2 dB, 0 db, +2 db
ARC™ Room EQ: On, Off

Signal Inputs

WBT-0703Cu nextgen™ 5-way binding posts feature a filigree signal conductor made from gold plated, nickel free, non- ferromagnetic, pure copper for high conductivity and fully insulated. Free from eddy current effects.

Inputs

AC Power, RJ45 (for ARC), mini USB (for ARC)

Power Draw

Idle: 1W/channel
Max: 500W/channel

Weight

90 lbs. (40.9 kg)

Dimensions 

60.75" x 11.9" x 27.4 "
(154.3cm x 30.2cm x 69.6cm)