• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1953/1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 17356

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 EL84

• Number of Transistors

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

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

• Tuned circuits
• 7 AM circuit(s)     10 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
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Wooden case

• from Radiomuseum.org
• Model: Violetta W402 - Tonfunk GmbH; Karlsruhe

• Shape
• Console with Push Buttons.

• Dimensions (WHD)
• 500 x 680 x 350 mm / 19.7 x 26.8 x 13.8 inch

• Notes
• Chassis=202; Plattenspieler; Skalenlampen: 4x 6,3V/0,3A.

• Net weight (2.2 lb = 1 kg)
• 19.5 kg / 42 lb 15.2 oz (42.952 lb)

• Price in first year of sale
• 448.00 DM

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

• Source of data
• Kat.d.Rundf.GrossH.1953/54 / Radiokatalog Band 2, Ernst Erb

• 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