Portable Radio Cassette Recorder MR-422

Sanyo Electric Co. Ltd.; Moriguchi (Osaka)

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  • Year
  • 1971 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 349971

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • 12
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz; 3 AF stage(s)
  • Wave bands
  • Broadcast, Short Wave plus FM or UHF.
  • Details
  • Cassette-Recorder or -Player
  • Power type and voltage
  • Line / Batteries (any type) / 120; 200; 240 / D: 4 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Portable Radio Cassette Recorder MR-422 - Sanyo Electric Co. Ltd.;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 320 x 199 x 80 mm / 12.6 x 7.8 x 3.1 inch
  • Notes

  • Radio mono MW/SW/FM with recorder/player.
    Input Aux and Microphone. Jack for external speaker which excludes the internal one.
    Seven 1S188 Diodes; all other diodes and transistors listed.

    See also MR-422N

  • Net weight (2.2 lb = 1 kg)
  • 6.4 lb (6 lb 6.4 oz) / 2.906 kg
  • Mentioned in
  • -- Schematic (Schemario Radio Autoradio Mangianastri edizioni "Il Rostro" Italy, March 1971.)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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