Infrared Headphones MDR-IF 420 RK

Sony Corporation; Tokyo

  • Year
  • 1996
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 293240

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Infrared Headphones MDR-IF 420 RK - Sony Corporation; Tokyo
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • Infrared headphones, diaphragm 30 mm, operational with alcaline battery, 90º : 10 meters radius of reception, stop without signal, volume control, mute.

  • Net weight (2.2 lb = 1 kg)
  • 0.350 kg / 0 lb 12.3 oz (0.771 lb)
  • Mentioned in
  • SONY Catalogs (Catalogues Sony 1996, Model Page 202)
  • Author
  • Model page created by Manuel Albano Neves. See "Data change" for further contributors.

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