Description: Full-range, floorstanding, electrostatic loudspeaker.

Membrane: ultra-low-mass (0.5gm), tensioned, split into 4 elements.

Frequency response: 37Hz–21kHz, –6dB.

Sensitivity: 86dB/2.83V/m.

Nominal impedance: 8 ohms (4–15 ohms variation).

Rated input level: 10V; program peak for undistorted output, 40V; permitted peak input, 55V. Distortion at 100dB at 1m: 1.0%, 50–100Hz; 0.5%, 100Hz–1kHz; 0.15%, >1kHz. Operating supply voltages: 110–120V AC; 220–240V AC.

Dimensions: 41" (1040mm) H (plus feet) by 27.4" (695mm) W by 15.2" (385mm) D. Weight: 76.6 lbs (34.8kg) net, 91.5 lbs (41.6kg) shipping.