• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1952/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 17328

• Main principle
• Superheterodyne (common)

• Power type and voltage
• Alternating Current supply (AC)

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

• from Radiomuseum.org
• Model: Violetta W251W - Tonfunk GmbH; Karlsruhe

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

• Price in first year of sale
• 288.00 DM

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 573 models, 337 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