ESC
ELS-F81

ELS-F81

BrandStax
FunctionSpeaker
Produced1981-1984
Form FactorFloorstanding
Signal PathAnalog Hardware
Dimensions45 × 102 × 29 cm (W × H × D)
Weight20kg
Frequency Response40Hz-20kHz -10dB
Driver785mmx210mm Full-range Electrostatic Panel
Impedance (Nominal, 20Hz-5kHz)16Ω
Impedance (Nominal, 5kHz-20kHz)4Ω
Sensitivity73dB/W/m (8Ω Equivalent Load)
Diaphragm4µm Polyester Film
Biasing Voltage3600V
Power Handling (Peak)300W (8Ω Equivalent Load)
Enclosure TypeDipole
NotesStators on panels electrically divided horizontally into three segments with the outer segments time delayed to produce a columnar wavefront.