• Country
• Germany

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

• Year
• 1983

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

• Radiomuseum.org ID
• 277036

• • 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, 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: Heidelberg SM 23 Special 7.641.751.110 - Blaupunkt Ideal, Berlin,

• Shape
• Chassis only or for «building in»

• Notes

• 2 Ausgänge für Lautsprecher.

  Identisch mit Heidelberg SM 21 7.641.751.010, einziger Unterschied CR Klappe

• Author
• Model page created by Egon Strampe. See "Data change" for further contributors.

• Other Models

• Here you find 3591 models, 3279 with images and 2331 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim