• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1978

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 130329

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• 3 Loudspeakers / Ø 30 cm = 11.8 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Loudspeaker CS-E 731 - Pioneer Corporation; Tokyo

• Dimensions (WHD)
• 380 x 660 x 306 mm / 15 x 26 x 12 inch

• Notes
• Subwoofer or Woofer (Tieftöner): 30 cm Conus;
  Mid-range speaker (Mitteltöner): 6,5 cm;
  Tweeter (Hochtöner): 2,5 cm Conus;
  Crossover frequencies (Übergangsfrequenzen): 650 / 5000 Hz;
  Frequency response (Frequenzgang): 35 Hz - 20 kHz;
  Sensitivity (Empfindlichkeit auf 1 m): 89 dB;
  Low distortion power (Betriebsleistung, DIN): 5 W;
  Rated power (Belastbarkeit max.): 100 W;
  Maximum SPL (Nennbelastbarkeit): 50 W;
  Impedance (Nennimpedanz): 8 Ohm;
  

• Net weight (2.2 lb = 1 kg)
• 19 kg / 41 lb 13.6 oz (41.85 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 1151 models, 1134 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