• Year
  • 1987–1991
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 160222
    • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
    • Brand: Rotstern

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

 Technical Specifications

  • Number of Transistors
  • 15
  • Main principle
  • Superheterodyne (common); ZF/IF 460/10700 kHz
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Details
  • Cassette-Recorder or -Player
  • 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: Bristol 27 7.647.542.510 - Blaupunkt Ideal, Berlin,
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 180 x 52 x 150 mm / 7.1 x 2 x 5.9 inch
  • Notes
  • Stereo car cassette radio with LW/MW and FM. FM is stereo, but when stereo signal is insufficient, automatically is switched in mono mode. Manual switch stereo/mono is still available.
    Cassette is auto-stop, at the end of a tape the unit switches automatically to radio reception and the cassette is ejected.
    Power output 2 x 11 W at 2 Ω; 2 x 7 W at 4 Ω
    Audio frequency response (DIN 45324) 45 ÷ 15,000 Hz.

    15 Transistors, 6 ICs, 10 Diodes 2 Phototransistors and 1 Varicap Diode, Transistors listed only one per type and not all. Diodes and Phototransistors not listed because they are not present in the Radiomuseum database.

  • Mentioned in
  • Original Plaupunkt Service Unterlagen
  • Literature/Schematics (1)
  • -- Original-techn. papers. (Original Operating Instructions)
  • Literature/Schematics (2)
  • -- Original prospect or advert (Blaupunkt Prospekt Bilradio 1991 Schweden )
  • Author
  • Model page created by Josef Pilz. See "Data change" for further contributors.

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