• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1976–1979

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 87665

Click on the schematic thumbnail to request the schematic as a free document.

• Power type and voltage
• No Power needed

• Loudspeaker
• 4 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: 4 Way Speaker System HPM-150 - Pioneer Corporation; Tokyo

• Shape
• Console with any shape - in general

• Dimensions (WHD)
• 450 x 985 x 450 mm / 17.7 x 38.8 x 17.7 inch

• Notes

• Pioneer 4-way, 4-speaker floor-type bass-reflex Speaker System Model HPM-150.
  4 way, 4 driver loudspeaker system
  Frequency Response: 25Hz to 25000 Hz
  Power Handling: 250 Watts
  Crossover Frequency: 750, 2600, 8500 Hz
  Impedance: 6.3 Ω
  Sensitivity: 92.5dB/W/m
  Tweeter and Midrange Level Controls on the Front Panel
  Detachable Grille
  
  Drivers:
  Bass: 1x 400mm cone
  Midrange: 1x 100mm cone
  Tweeter: 1x 45mm cone
  Super Tweeter:
  1x HPM high polymer horn-loaded omnidirectional (270 degrees horizontal dispersion)

• Net weight (2.2 lb = 1 kg)
• 37.3 kg / 82 lb 2.5 oz (82.159 lb)

• Source of data
• -- Original prospect or advert

• Mentioned in
• Pioneer Catalogues - 'HiFi Stereo' and 'Stereo Components'

• Author
• Model page created by Georg Richter. See "Data change" for further contributors.

• Other Models

• Here you find 1140 models, 1125 with images and 200 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pioneer Corporation; Tokyo