• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1978

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 130349

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• 2 Loudspeakers / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Loudspeaker CS-E 421 - Pioneer Corporation; Tokyo

• Dimensions (WHD)
• 260 x 500 x 245 mm / 10.2 x 19.7 x 9.6 inch

• Notes
• Subwoofer or Woofer (Tieftöner): 20 cm Conus;
  Tweeter (Hochtöner): 2,5 cm Conus;
  Crossover frequencies (Übergangsfrequenzen): 5000 Hz;
  Frequency response (Frequenzgang): 35 Hz - 20 kHz;
  Sensitivity (Empfindlichkeit auf 1 m): 90 dB;
  Low distortion power (Betriebsleistung, DIN): 4 W;
  Rated power (Belastbarkeit max.): 60 W;
  Maximum SPL (Nennbelastbarkeit): 30 W;
  Impedance (Nennimpedanz): 8 Ohm.

• Net weight (2.2 lb = 1 kg)
• 8.5 kg / 18 lb 11.6 oz (18.722 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