InnerSound Eros Mk.III electrostatic loudspeaker Specifications

Sidebar 1: Specifications

Description: Hybrid electrostatic/moving-coil loudspeaker system with remote-control active crossover/bass amplifier module. Drive-units: 41" by 11.5" flat electrostatic midrange/HF transducer; transmission line-loaded, 10" fiber-cone woofer. Crossover frequency: 360Hz. Crossover filters: fourth-order (24dB/octave, Linkwitz-Reilly). Frequency response: 24Hz-27kHz, ±2dB. Sensitivity: 98dB/2.83V/m. Electrostatic impedance: 112 ohms at 500Hz, falling to 2 ohms at 20kHz. Woofer impedance: 4 ohms. Recommended panel amplifier power: 80-300W. Amplifier/crossover controls: Level, 100 1dB steps; Midrange, 100 1dB steps; Bass, 12 1dB steps below 100Hz. Amplifier output power: 600Wpc into 4 ohms (24.8dBW).
Dimensions: Speaker: 68" H by 15" W by 18" D. Weight: 75 lbs (34kg). Crossover-Bass Amplifier: 17" W by 5.5" H by 14" D. Weight: 42 lbs (19kg).
Finishes: Wood trim on sides of electrostatic screens—cherry, maple, red oak, walnut, mahogany—and black aluminum anodized trim.
Serial numbers of units reviewed: 001648, 001649, speakers; CGX20967, crossover.
Price: $7995/pair. Approximate number of dealers: 30.
Manufacturer: InnerSound, Inc., 7161 Valtec Court, Unit D, Boulder, CO 80301. Tel: (303) 440-3561. Fax: (303) 440-3562. Web: