• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1953/1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 211294

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

• Number of Tubes
• 7

• Valves / Tubes
• EC92 ECH81 EF41 EAF42 EM4 EABC80 EL84

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-220 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Violetta W281 [mit EM4] - Tonfunk GmbH; Karlsruhe

• Shape
• Tablemodel with Push Buttons.

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 570 models, 334 with images and 240 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tonfunk GmbH; Karlsruhe