• 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
• 4329

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

• Number of Tubes
• 5

• Valves / Tubes
• CK1 CF7 CBC1 CL4 optional AZ1 EUXX or EUVI

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

• Tuned circuits
• 5 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 110/230 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super 644GW - Telefunken Deutschland TFK,

• Dimensions (WHD)
• 578 x 310 x 326 mm / 22.8 x 12.2 x 12.8 inch

• Notes

• Paralleltype zum Siemens 64GW.

• Net weight (2.2 lb = 1 kg)
• 15.3 kg / 33 lb 11.2 oz (33.7 lb)

• Price in first year of sale
• 298.00 RM

• Source of data
• HandB.d.d.Rundfunk-Handels 1936/37 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

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

• Other Models

• Here you find 3561 models, 3145 with images and 2112 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