• Country
• Germany

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

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 4335

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

• Number of Tubes
• 7

• Valves / Tubes
• KF3 KK2 KF3 KF4 KBC1 KC3 KDD1

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Storage and/or dry batteries / 135 / 2 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 677BK - Telefunken Deutschland TFK,

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Notes
• Exportgerät. Übersee-Batteriesuper mit Spannungsmesser.

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Funkschau (3717)

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 3545 models, 3125 with images and 2094 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