• Country
• Germany

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

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 4279

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

• Number of Tubes
• 5

• Valves / Tubes
• ACH1 AF3 ABC1 AL4 AZ1

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

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Undine 875WKK - Telefunken Deutschland TFK,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 570 x 350 x 310 mm / 22.4 x 13.8 x 12.2 inch

• Notes
• Export! Feldstärke-Anzeige.

• Net weight (2.2 lb = 1 kg)
• 12.6 kg / 27 lb 12.1 oz (27.753 lb)

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange + Schenk

• Other Models

• Here you find 3546 models, 3126 with images and 2095 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