• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1978

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 130341

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• 3 Loudspeakers / Ø 25 cm = 9.8 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Loudspeaker HPM-40 - Pioneer Corporation; Tokyo

• Dimensions (WHD)
• 325 x 570 x 317 mm / 12.8 x 22.4 x 12.5 inch

• Notes

• Subwoofer or Woofer (Tieftöner): 25 cm Conus;
  Tweeter (Hochtöner): 4,5 cm Conus;
  Supertweeter (Super Hochtöner): High-Polymer;
  Crossover frequencies (Übergangsfrequenzen): 4000/10000 Hz;
  Frequency response (Frequenzgang): 35 Hz - 25 kHz;
  Sensitivity (Empfindlichkeit auf 1 m): 91 dB;
  Low distortion power (Betriebsleistung, DIN): 3,2 W;
  Rated Input Power (Nennbelastbarkeit): 20 W;
  Maximum Input Power (Belastbarkeit max.): 40 W;
  Impedance (Nennimpedanz): 8 Ohm;

• Net weight (2.2 lb = 1 kg)
• 13 kg / 28 lb 10.1 oz (28.634 lb)

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 1147 models, 1131 with images and 201 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pioneer Corporation; Tokyo