Frankfurt 7.631.640 ab 2300001

• Country
• Germany

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

• Year
• 1971

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

• Radiomuseum.org ID
• 123827

• • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
  • Brand: Rotstern

• Picture
• Schematics

Previous Next

Previous Next

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

• Number of Transistors
• 15

• Semiconductors
• AF106 BF255 BF343 BF254 BF450 BF340 BF451 BC238 AD156 AD157 BA111 1N4148 ZG1 AA119

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

• Tuned circuits
• 8 AM circuit(s)     13 FM circuit(s)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• 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: Frankfurt 7.631.640 ab 2300001 - Blaupunkt Ideal, Berlin,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 179 x 44 x 140 mm / 7 x 1.7 x 5.5 inch

• Notes
• Halbleiter teilweise mehrfach vorhanden.
  Empfangsbereiche: LW 150-290 kHz; MW 515-1640 kHz; KW 5,9-6,35 MHz; UKW 87-104 MHz; 5 Sender-Speichertasten (2× UKW, je 1× LW, MW und KW).
  Stetig regelbare Tonblende; 6-polige DIN-Buchse zum Anschluss eines Tonbandgerätes (Kassetten-Recorder).

• Net weight (2.2 lb = 1 kg)
• 1.2 kg / 2 lb 10.3 oz (2.643 lb)

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

• Author
• Model page created by Richard Winter. See "Data change" for further contributors.

• Other Models

• Here you find 3589 models, 3277 with images and 2329 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim