• Country
• Germany

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

• Year
• 1950/1951

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 212634

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

• Number of Tubes
• 6

• Valves / Tubes
• UCH11 UF11 UBF15 UL11 UM11 UY11

• Number of Transistors

• Semiconductors
• U2410PL UB10000 UB10000

• Main principle
• Superheterodyne (common); ZF/IF 472/10700 kHz; Reflex

• Tuned circuits
• 6 AM circuit(s)     6 FM circuit(s)

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

• Power type and voltage
• AC/DC-set / 110/220 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 50GW UKW [Holz] - Telefunken Deutschland TFK,

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

• Dimensions (WHD)
• 515 x 360 x 250 mm / 20.3 x 14.2 x 9.8 inch

• Notes

• Bei UKW wird die erste ZF-Stufe (UF11) in Reflexschaltung als NF-Vorstufe verwendet. Flankendemodulation für UKW/FM. ZF-Bandbreite umschaltbar.

  Siehe auch Telefunken Operette 50GW UKW mit Bakelitgehäuse.

• Net weight (2.2 lb = 1 kg)
• 7 kg / 15 lb 6.7 oz (15.419 lb)

• Circuit diagram reference
• Lange-Nowisch

• Literature/Schematics (1)
• -- Schematic

• Literature/Schematics (2)
• -- Original-techn. papers.

• Author
• Model page created by Martin Steyer. See "Data change" for further contributors.

• 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