• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1954 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 176538

• Number of Tubes
• 5

• Valves / Tubes
• DK92 DF91 DL94 DAF96 DM71

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 220; 7 & 90 Volt

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

• Power out
• 1.5 W (unknown quality)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Violetta U-80M - Tonfunk GmbH; Karlsruhe

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

• Dimensions (WHD)
• 310 x 210 x 165 mm / 12.2 x 8.3 x 6.5 inch

• Notes
• Redresseur sélénium. Model fonctionne sur 220Volt ou sur batterie 90 & 7 volt. Attention autotransformateur ne touchez pas au châssis appareil sous tension.

• Net weight (2.2 lb = 1 kg)
• 3.8 kg / 8 lb 5.9 oz (8.37 lb)

• Author
• Model page created by Bekir Yurdakul. See "Data change" for further contributors.

• Other Models

• Here you find 570 models, 333 with images and 239 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tonfunk GmbH; Karlsruhe