• Country
• Germany

• Manufacturer / Brand
• Blaupunkt (Ideal), Berlin, später Hildesheim

• Year
• 1981

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 113428

• • 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.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) 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: Coburg M21 7.641.650 - Blaupunkt Ideal, Berlin,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 180 x 170 x 50 mm / 7.1 x 6.7 x 2 inch

• Notes
• ARI-Verkehrsfunkempfang; Voll-Stereo: NF-Verstärker mit 2 Endstufen je 9 W (Sinus).

• Mentioned in
• Bedienungsanleitung

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Heribert Jung. See "Data change" for further contributors.

• Other Models

• Here you find 3525 models, 3214 with images and 2320 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim