ESC
HPM-60/U1

HPM-60/U1

BrandPioneer
ManufacturerPioneer Electronic Corporation
SeriesHigh Polymer Molecular
FunctionSpeaker
Produced1976-1978
CountryJapan
Form FactorBookshelf / Stand Mounted
Signal PathPassive Hardware
Dimensions35.1 × 61 × 32 cm (W × H × D)
Weight38.5lbs
Frequency Response35Hz-25kHz
Supertweeter180° Piezoelectric (High Polymer Molecular film, Part #HP-015A)
Treble1.75" Paper Cone (Part #45-709F)
Midrange4" Carbonfiber Blended Cone (Part #10-719A)
Bass10" Carbonfiber Blended Cone (Part #25-727F)
Impedance (Nominal)8Ω
Sensitivity92.5dB/W/m
Crossover Frequencies1.2kHz, 4kHz, 12kHz (Network Assembly Part #SWN-109)
Power Handling (Nominal)30W
Power Handling (Peak)60W
Enclosure TypeBass Reflex
Enclosure ConstructionParticleboard
FinishOiled Walnut
Connections
  • Input · Spring Terminal
Controls
  • Midrange Level · Rotary Pot
  • Treble Level · Rotary Pot