• Country
• Germany

• Manufacturer / Brand
• Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH

• Year
• 1950/1951

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

• Radiomuseum.org ID
• 4095

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

• Number of Tubes
• 4

• Valves / Tubes
• EF11 ECH11 EBF11 ECL11 or

• Number of Transistors

• Semiconductors
• 32/1NT6 32/1NT12 Tr.Gl.=Metal-rectif.

• Main principle
• Superhet with RF-stage; ZF/IF 472 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6; 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 11 cm = 4.3 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: IB50 - Telefunken Deutschland TFK,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 195 x 185 x 173 mm / 7.7 x 7.3 x 6.8 inch

• Notes
• Ch=IA50

• Net weight (2.2 lb = 1 kg)
• 5.2 kg / 11 lb 7.3 oz (11.454 lb)

• Price in first year of sale
• 329.00 DM

• Source of data
• Kat.d. Rundf.Gr.Handel 1950/51 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• Funkschau (5013)

• Other Models

• Here you find 3559 models, 3144 with images and 2111 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH