• Country
• Germany

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

• Year
• 1951/1952

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 4057

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

• Number of Tubes
• 7

• Valves / Tubes
• UCH42 UF85 UBF15 UAA91 UM11 UF11 UL11

• Number of Transistors

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

• Main principle
• Superheterodyne (common); ZF/IF 472/10700 kHz; 2 AF stage(s); Reflex

• Tuned circuits
• 7 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• AC/DC-set / 110; 125; 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Power out
• 4 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Operette 52GW - Telefunken Deutschland TFK,

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

• Dimensions (WHD)
• 550 x 360 x 235 mm / 21.7 x 14.2 x 9.3 inch

• Notes
• Variable Bandbreite; KW-Lupe. Im UKW-Bereich wird die UF85 in Reflexschaltung für HF und ZF benutzt.

• Net weight (2.2 lb = 1 kg)
• 9.5 kg / 20 lb 14.8 oz (20.925 lb)

• Price in first year of sale
• 449.00 DM

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

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• Funkschau (5113)

• Literature/Schematics (1)
• Funk-Technik (FT) (17/1951, S.489 f.)

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

• 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