• Country
• Spain

• Manufacturer / Brand
• Telefunken Radiotécnica Ibérica; Getafe

• Year
• 1954/1955

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 110447

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

• Number of Tubes
• 5

• Valves / Tubes
• UCH42 UAF42 UAF42 UL41 UY41

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Wave Bands given in the notes.

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Opereta II - Telefunken Radiotécnica

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 311 x 255 x 356 mm / 12.2 x 10 x 14 inch

• Notes
• Band 1: 520...1500 kHz;
  Band 2: 530...1800 kHz;
  Band 3: 5,4...11 MHz;
  Band 4: 10,8...20,2 MHz. Mismo modelo que Opereta U1654 con Banda 2 añadida. Same model as Opereta U1654 plus band 2. Piloto de 125V y 10W

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 372 models, 296 with images and 265 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefunken Radiotécnica Ibérica; Getafe