ESC
Hill Type-1 Plasma Speaker System

Hill Type-1 Plasma Speaker System

BrandPlasmatronics
ManufacturerPlasmatronics, Inc.
DesignerDr. Alan Hill
FunctionSpeaker
Produced1979-198?
CountryUnited States
Form FactorFloorstanding
Signal PathAnalog Hardware
Dimensions62.2 × 146.1 × 47 cm (W × H × D); 48.3 × 10.7 × 0 cm (W × H × D)
Weight290lbs
Power118VAC, 1.5A
Frequency Response30Hz-20kHz ±3dB, 18Hz-100kHz -9dB
TrebleHelium Plasma
Midbass5" Paper Cone
Bass12" Paper Cone
Impedance (Nominal)8Ω
Crossover Frequencies100Hz, 700Hz (Optional: 1kHz)
THD (90dB, 10', In Average Room)<1% (Room: 15'x28')
Maximum SPL (1m, In Average Room)107dB (Room: 15'x28')
Recommended Amplifier Power100-200W
Helium Supply9"x52" 1A Gas Bottle, 2000psig (300 Hours Playback)
FinishWalnut
MSRP (1980)$7000