• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1952–1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 17337

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

• Number of Tubes
• 7

• Valves / Tubes
• EC92 ECH81 EF41 EF41 EM4 EABC80 EL41

• Number of Transistors

• Semiconductors
• Tr.Gl.=Metal-rectif.

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 7 AM circuit(s)

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

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Violetta W253 - Tonfunk GmbH; Karlsruhe

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

• Price in first year of sale
• 298.00 DM

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 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