ESC

HPM-100 (Black Label)

BrandPioneer
ManufacturerPioneer Electronic Corporation
SeriesHigh Polymer Molecular
DesignerBart Locanthi
FunctionSpeaker
Produced1978-1979
CountryJapan
Form FactorBookshelf / Stand Mounted
Signal PathPassive Hardware
Dimensions39.1 × 67.1 × 39.4 cm (W × H × D)
Weight58.8lbs
Frequency Response30Hz-25kHz
Supertweeter180° Piezoelectric (High Polymer Molecular film, Part #HP-015A)
Treble1.75" Paper Cone (Part #45-711B)
Midrange4" Paper Cone (Part #10-721B)
Bass12" Carbon fiber Blended Cone (Part #30-733B)
Impedance (Nominal)8Ω
Sensitivity92.5dB/W/m
Crossover Frequencies3kHz, 4kHz, 12kHz (Network Assembly Part #SWN-158)
Crossover Slope6dB/Oct (First Order)
Power Handling (Nominal)100W
Power Handling (Peak)200W
Enclosure TypeBass Reflex
Enclosure ConstructionParticleboard
FinishOiled Walnut
Connections
  • Input · Spring Terminal
Controls
  • Midrange Level · Rotary Pot
  • Treble Level · Rotary Pot
NotesVariant of HPM-100 (200W) identifiable by black foil around level controls rather than brushed aluminum. Possibly European market limited.