• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1954/1955

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 17366

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

• Number of Tubes
• 6

• Valves / Tubes
• ECC85 ECH81 EF85 EABC80 EM80 EL84

• Number of Transistors

• Semiconductors
• B250C75

• Main principle
• Superheterodyne (common); ZF/IF 452/10700 kHz

• Tuned circuits
• 7 AM circuit(s)     9 FM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 220 Volt

• Loudspeaker
• 3 Loudspeakers

• Power out
• 4 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Violetta W281S/3D - Tonfunk GmbH; Karlsruhe

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

• Dimensions (WHD)
• 550 x 370 x 285 mm / 21.7 x 14.6 x 11.2 inch

• Notes
• [5. Taxliste Franzis-Verlag, 1957]

• Net weight (2.2 lb = 1 kg)
• 11.6 kg / 25 lb 8.8 oz (25.551 lb)

• Price in first year of sale
• 318.00 DM

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• HdB d.Rdf-& Ferns-GrH 1954/55 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• -- Original-techn. papers.

• 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