• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1952/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25174

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

• Number of Tubes
• 6

• Valves / Tubes
• EC92 ECH42 EF41 EABC80 EL41 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 468 or 473/10700 kHz; 2 AF stage(s)

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

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

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Violetta W251 - Tonfunk GmbH; Karlsruhe

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 500 x 330 x 250 mm / 19.7 x 13 x 9.8 inch

• Notes

• Dreifach-Tonblende, Anschluss für Zweitlautsprecher und Tonabnehmer, eingebaute Universalantenne. Ohne magisches Auge.

  Siehe auch Tonfunk Violetta W251M mit mag. Auge.

• Price in first year of sale
• 275.00 DM

• External source of data
• Rutishauser/EE

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Rundfunk-Katalog 1952/53 S.60, Lange Solingen, Hrsg. H.J. Thiele, Verlag Funk-Kurier Helmstedt

• 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