Madrid 23 7.642.541.412

• Country
• Germany

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

• Year
• 1983 ??

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

• Radiomuseum.org ID
• 127618

• • 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
• 12

• Semiconductors

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

• Tuned circuits
• 5 AM circuit(s)     7 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).

• Power out
• 20 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Madrid 23 7.642.541.412 - Blaupunkt Ideal, Berlin,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 180 x 50 x 165 mm / 7.1 x 2 x 6.5 inch

• Notes

• Cassette player is stereo. Manufacture is Blaupunkt of Bosch Gruppe.

  FM range to 108 MHz.
  5 ICs. Output power (music) 2 x 10 watt at 2 ohm.

  See also domestic model Madrid 23 with FM up to 104 MHz.

  Made in France.

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

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by Eero Ukkola. 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