AM/FM Stereo Radio CR-4091 (Japan 230 & Japan 533)

Blaupunkt (Ideal), Berlin, später Hildesheim

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  • Year
  • 1976/1977 ?
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 288642
    • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
    • Brand: Rotstern

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Special Tape or Cassette-Format
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: AM/FM Stereo Radio CR-4091 - Blaupunkt Ideal, Berlin,
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 178 x 44 x 150 mm / 7 x 1.7 x 5.9 inch
  • Notes

  • AM/FM Stereo Radio + 8-track stereo tape player.

    Made in Japan 230 & Japan 533

    Note:  There are two different Japan codes on this model.  The 533 code appears to be the original manufacturer and the 230 code appears to have been added later.

  • Author
  • Model page created by Alessandro De Poi. See "Data change" for further contributors.

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