• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1973–1975

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

• Radiomuseum.org ID
• 29055

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

• Number of Transistors
• 33

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Demodulator CD4 - Braun; Frankfurt

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 260 x 110 x 320 mm / 10.2 x 4.3 x 12.6 inch

• Notes
• 6 ICs. Der Demodulator bildet während des Spielens von CD-4-Schallplatten die Quadrophoniesignale.

• Net weight (2.2 lb = 1 kg)
• 5 kg / 11 lb 0.2 oz (11.013 lb)

• External source of data
• Erb

• Source of data
• Katalog RFP 1973

• Other Models

• Here you find 1061 models, 931 with images and 652 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Braun; Frankfurt