ESS

Seven

Speaker

Main Details
Maker ESS Brand Electrostatic Sound Systems, Inc. Company
Function
Form Factor Bookshelf / Stand Mounted
Signal Path Passive Hardware
Made In United States
Date Produced 197?-197?
Dimensions
(H × W × D)
Frequency Response 35Hz-20kHz ±3.5dB
Notes Revised VII after Electrostatic Sound Systems redefined itself as ESS.
Additional Specifications
Treble 2.25" Paper Cone
Midrange 5" Paper Cone
Bass 9"x12" Foil-stressed Expanded Plastic Flat Diaphragm KEF B139 SP1044
Impedance (Nominal) 8Ω
THD (80Hz-20kHz, 90dB) <1%
Recommended Amplifier Power (RMS) 30W
Power Handling (Peak) 350W
Enclosure Type Bass Reflex
Enclosure Construction Particleboard
Finish Oiled Walnut, Rosewood

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