• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1952/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25173

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

• Number of Tubes
• 5

• Valves / Tubes
• DK92 DF91 DF91 DAF91 DL94

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Line / Batteries (any type) / AC/DC 110; 127; 220 / 9 & 90 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Heim- und Reise-Violetta BN [D-Röhren] - Tonfunk GmbH; Karlsruhe

• Dimensions (WHD)
• 375 x 260 x 110 mm / 14.8 x 10.2 x 4.3 inch

• Notes
• Reise-Violetta BN von Tonfunk mit D-Röhren ist in einem eleganten Leder-Transportkoffer eingebaut.

• Net weight (2.2 lb = 1 kg)
• 5.9 kg / 12 lb 15.9 oz (12.996 lb)

• Price in first year of sale
• 298.00 DM

• External source of data
• Rutishauser/EE

• Source of data
• Kat.d.Rundf.GrossH.1952/53 / Radiokatalog Band 2, Ernst Erb

• Literature/Schematics (1)
• -- Schematic

• 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