• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1974

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 142931

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Various materials

• from Radiomuseum.org
• Model: SE-Q404 - Pioneer Corporation; Tokyo

• Notes
• Quadrophonie-Kopfhörer - 4 getrennte Systeme, Wahlschalter für 2-Kanal- und 4-Kanal-Betrieb.
  Frequenz 20-20000 Hz. Lautsprecher 4 x 1,75" Polyesterfilm-Kegel.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 1142 models, 1127 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