• Country
• Germany

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

• Year
• 1924/1925

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 4574

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

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Telefunkon A [Schräg-Pult] - Telefunken Deutschland TFK,

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 110 x 170 x 145 mm / 4.3 x 6.7 x 5.7 inch

• Notes
• Variometer (nicht zu D-Zug).

• Net weight (2.2 lb = 1 kg)
• 0.8 kg / 1 lb 12.2 oz (1.762 lb)

• Price in first year of sale
• 21.00 RM

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Picture reference
• Eine Abbildung findet sich im Doppelband "Radios von gestern"

• Other Models

• Here you find 3554 models, 3139 with images and 2103 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