• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25171

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

• Number of Tubes
• 8

• Valves / Tubes
• EF42 ECH42 EF43 EB41 EM4 EBC41 EL41 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 472/10,7 kHz

• Tuned circuits
• 4 AM circuit(s)     5 FM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Violetta W250D - Tonfunk GmbH; Karlsruhe

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 530 x 330 x 260 mm / 20.9 x 13 x 10.2 inch

• Notes
• Vorsicht - Spartrafo!

• Net weight (2.2 lb = 1 kg)
• 9.8 kg / 21 lb 9.4 oz (21.586 lb)

• Price in first year of sale
• 298.00 DM

• External source of data
• Rutishauser/EE

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 569 models, 332 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