• 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
• 4041

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

• Number of Tubes
• 6

• Valves / Tubes
• ECH11 EF11 EBF11 EL11 EM11 AZ11

• 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
• Alternating Current supply (AC) / 110; 125; 150; 220 Volt

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Operette 50W UKW [Variante 1 mit EF11] - Telefunken Deutschland TFK,

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

• Dimensions (WHD)
• 450 x 300 x 210 mm / 17.7 x 11.8 x 8.3 inch

• Notes
• Schaltbare AM-Bandbreite.
  Flankendemodulator für UKW.
  Bei UKW arbeitet die 1. ZF-Stufe (EF11)
  in Reflexschaltung auch als NF-Vorstufe.

• Net weight (2.2 lb = 1 kg)
• 9 kg / 19 lb 13.2 oz (19.824 lb)

• Price in first year of sale
• 299.00 DM

• Source of data
• Kat.d. Rundf.Gr.Handel 1950/51 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Literature/Schematics (1)
• -- Schematic

• Other Models

• Here you find 3546 models, 3126 with images and 2095 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