• Country
• Germany

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

• Year
• 1952 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 204898

• Number of Tubes
• 7

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

• Number of Transistors

• Semiconductors
• Metal-rectifier

• Main principle
• Superheterodyne (common); ZF/IF 452/10700 kHz; Export model

• 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
• Alternating Current supply (AC) / 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 52U - 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
• Semiconductor rectifier (single diode). This model is similar to the Telefunken Operette 52GW except that the FM range is from 88 to 108 MHz and the dialscale has no station names.

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

• Source of data
• -- Schematic

• Author
• Model page created by Antoni Regeling. See "Data change" for further contributors.

• Other Models

• Here you find 3557 models, 3142 with images and 2108 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