• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1952

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25180

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

• Number of Tubes
• 7

• Valves / Tubes
• ECC81 ECH81 EF41 EF41 EM4 EABC80 EL41

• Number of Transistors

• Semiconductors
• B250C85

• Main principle
• Superheterodyne (common); ZF/IF 468/10700 kHz

• Tuned circuits
• 6 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)

• from Radiomuseum.org
• Model: Violetta W 301/II O - Tonfunk GmbH; Karlsruhe

• Notes
• Das Modell W301/IIO besitzt im Gegensatz zum W301/II eine Mittelwellen-Ortssendertaste

• External source of data
• Rutishauser/EE

• Source of data
• -- Schematic / 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