• Year
  • 1991 ?
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 139437
    • 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
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • FM Broadcast Band Only
  • 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: Essen CR31 7.641.771.010 - Blaupunkt Ideal, Berlin,
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 180 x 50 x 180 mm / 7.1 x 2 x 7.1 inch
  • Notes
  • Essen CR31 7.641.771.010
    LCD-Anzeige, 3 x 5 Stationsspeicher, Diebstalsicherung durch Code, Scannerfunktion, Preset-Scan-Taste, Travel-Store, VF-Decoder, Bass-Höhenregler, Blance und Fader, 2 x 10 Watt Sinus Ausgangsleistung mit vier Lautsprecherausgängen, Übertragungsbereich Kassette: 35 bis 14000 Hz, schneller Vor/Rücklauf.
    Autoreverse-Cassettenlaufwerk Mini 18:
    Serviceunterlagen sind als Schema unter diesem Modell abgelegt.
  • Net weight (2.2 lb = 1 kg)
  • 1.4 kg / 3 lb 1.3 oz (3.084 lb)
  • Price in first year of sale
  • 349.00 DM
  • Author
  • Model page created by Karlheinz Fischer. See "Data change" for further contributors.

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