Stereo Headphones DR/4A

Sony Corporation; Tokyo

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  • Year
  • 1970 ??
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 338929

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Power out
  • 0.1 W (unknown quality)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Stereo Headphones DR/4A - Sony Corporation; Tokyo
  • Shape
  • Miscellaneous shapes - described under notes.
  • Notes

  • Stereo Headphones with a frequency response from 50 to 17,000 Hz and an impedance of 8 Ω.
    Rubber headband with adjustable steel support.

  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)
  • Price in first year of sale
  • 19,000.00 ITL
  • Mentioned in
  • -- Original prospect or advert (Selezione Radio-TV JCE edizioni, numero 9, settembre 1969.)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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