ESC
VII

VII

BrandESS
ManufacturerElectrostatic Sound Systems, Inc.
FunctionSpeaker
Produced1972-197?
CountryUnited States
Form FactorBookshelf / Stand Mounted
Signal PathPassive Hardware
Dimensions35.6 × 68.6 × 33 cm (W × H × D)
Weight66lbs
Frequency Response25Hz-20kHz ±2.5dB
TrebleDome
Midrange5" Paper Cone
Bass210mmx300mm Foil-stressed Expanded Plastic Flat Diaphragm (KEF B139 SP1044)
Crossover Frequencies485Hz, 1495Hz
THD (80Hz-20kHz, 90dB)<1%
THD (110dB)<5%
Recommended Amplifier Power (RMS)20W
Power Handling (Peak)200W
Enclosure TypeBass Reflex
Enclosure ConstructionParticleboard
FinishOiled Walnut, Rosewood
MSRP (197?)$189 (Rosewood: $207)