• Country
• Germany

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

• Year
• 1951/1952

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

• Radiomuseum.org ID
• 4056

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

• Number of Tubes
• 5

• Valves / Tubes
• EAF42 ECH42 EAF42 ECL113 ECL113

• Number of Transistors

• Semiconductors
• Zerhacker Tr.Gl.=Metal-rectif.

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• 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)

• Material
• Metal case

• from Radiomuseum.org
• Model: Autosuper IID51 M, O - Telefunken Deutschland TFK,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 134 x 95 x 240 mm / 5.3 x 3.7 x 9.4 inch

• Notes

• 5 Drucktasten, davon 4 Stationsspeicher und 1x Handabstimmung.
  Chassis/Schaltung entspricht sonst Telefunken IIA51

  • M = besonders für Mercedes
  • O = besonders für Opel

• Net weight (2.2 lb = 1 kg)
• 4 kg / 8 lb 13 oz (8.811 lb)

• Price in first year of sale
• 488.00 DM

• Source of data
• Kat.d.Rundf.GrossH.1951/52 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• Funkschau (8/1951 und 11/1951 S.218)

• Other Models

• Here you find 3557 models, 3142 with images and 2110 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