ESC
Classic Pyramid

Classic Pyramid

BrandESS
ManufacturerESS, Inc.
SeriesClassic
FunctionSpeaker
Produced1981
CountryUnited States
Model IDCS-1
Form FactorFloorstanding
Signal PathPassive Hardware
Dimensions39.4 × 85.7 × 39.4 cm (W × H × D)
Weight61lbs
Frequency Response38Hz-23kHz ±3dB
TrebleHeil Air-Motion Transformer (Total Radiating Area: 20.15in²)
Midrange/Bass10" Resin-Coated Cone
Sensitivity92dB/W/m
Impedance (Nominal)5Ω
Crossover Frequency1.2kHz
Dispersion (Horizontal)120°
Dispersion (Vertical)30°
Recommended Amplifier Power15-300W
Power Handling (Music)300W
Enclosure TypeBass Reflex (Port Diameter: 10.2cm)
FinishWalnut
NotesRevised Tempest Classic