• Country
• Germany

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

• Year
• 1963/1964

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 24674

• • 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 Tubes
• 1

• Valves / Tubes
• ECC81

• Number of Transistors

• Semiconductors
• OA81 OA81 OA81 OA81 OA81 OA81

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / 6,3 & DC 220 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: FM-Stereo-Decoder IV 23900 - Blaupunkt Ideal, Berlin,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 175 x 75 x 63 mm / 6.9 x 3 x 2.5 inch

• Notes

• Identisch mit Stereo-Decoder IV (Fertigung Grundig für Blaupunkt).

  Siehe auch Nachfolger Type 23904.

• Net weight (2.2 lb = 1 kg)
• 0.4 kg / 0 lb 14.1 oz (0.881 lb)

• External source of data
• Erb

• Source of data
• Handbuch VDRG 1963/1964

• 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