ESC
HPM-900/E (Rev. 2)

HPM-900/E (Rev. 2)

BrandPioneer
ManufacturerPioneer Electronic Corporation
SeriesHigh Polymer Molecular
FunctionSpeaker
Produced1981-1982
CountryJapan
Form FactorBookshelf / Stand Mounted
Signal PathPassive Hardware
Dimensions39.1 × 67.1 × 39.4 cm (W × H × D)
Weight51.6lbs
Frequency Response30Hz-50kHz
SupertweeterHorn-loaded Piezoelectric (High Polymer Molecular film)
Treble1.75" Polymer Graphite Cone
Midrange4" Polymer Graphite Cone
Bass12" Polymer Graphite Cone
Impedance (Nominal)8Ω
Sensitivity92.5dB/W/m
Sensitivity (DIN, 96dB/m)2.1W
Crossover Frequencies2.5kHz, 5.5kHz, 16kHz (Network Assembly Part #SWN-249)
Power Handling (Nominal)100W
Power Handling (Peak)200W
Recommended Amplifier Power50-270W
Enclosure TypeBass Reflex
Enclosure ConstructionParticleboard
FinishWalnut-grained Vinyl
Connections
  • Input · Spring Terminal
Controls
  • Midrange Level · Rotary Pot
  • Treble Level · Rotary Pot
NotesEuropean market specific model. Crossover revision.