• Country
• Germany

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

• Year
• 1969/1970

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

• Radiomuseum.org ID
• 27773

• • 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
• 30

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz

• Tuned circuits
• 7 AM circuit(s)     11 FM circuit(s)

• 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: Marburg CR 7.639.930 ab 900001 - Blaupunkt Ideal, Berlin,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 176 x 50 x 165 mm / 6.9 x 2 x 6.5 inch

• Notes
• Eingebauter Kassetten-Recorder für Mono-Aufnahme sowie Mono- und Stereo-Wiedergabe; 2 Gegentakt-Endstufen je 5 W; 2 Metallgehäuse, Verstärkerteil: 181×63×50 mm.

• External source of data
• erb

• Source of data
• Handbuch VDRG 1969/1970

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

• Other Models

• Here you find 3591 models, 3279 with images and 2332 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim