ESC
HPM-150

HPM-150

BrandPioneer
ManufacturerPioneer Electronic Corporation
SeriesHigh Polymer Molecular
FunctionSpeaker
Produced1977-1980
CountryJapan
Form FactorFloorstanding
Signal PathPassive Hardware
Dimensions44.7 × 98.4 × 40.9 cm (W × H × D)
Weight82.3lbs
Frequency Response25Hz-40kHz
Super Tweeter360° Piezoelectric (High Polymer Molecular film, Part #HP-016A)
Treble1.75" Paper Cone (Part #45-713A)
Midrange4" Paper Cone (Part #10-723A)
Bass15.75" Carbon fiber Blended Cone (Part #40-802A)
Impedance (Nominal)6.3Ω
Sensitivity92.5dB/W/m
Crossover Frequencies750Hz, 2.6kHz, 8.5kHz (Network Assembly Part #SWN-134)
Crossover Slope6dB/Oct (First Order)
Power Handling (Nominal)125W
Power Handling (Peak)250W
Enclosure TypeBass Reflex
Enclosure ConstructionParticleboard
FinishOiled Walnut
MSRP (1980)$550
Connections
  • Input · Spring Terminal
Controls
  • Midrange Level · Rotary Pot
  • Treble Level · Rotary Pot