• Country
• Germany

• Manufacturer / Brand
• Gerufon-Radio Walter Velten KG, Radiogerätefabrik Quedlinburg; Quedlinburg/Harz (Ostd.)

• Year
• 1953/1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 14782

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

• Number of Tubes
• 8

• Valves / Tubes
• EF85 EF85 ECH81 EF85 EM11 EABC80 EL11 AZ11

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Tuned circuits
• 6 AM circuit(s)     9 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
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Power out
• 3.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ultraklang 54W - Gerufon-Radio Walter Velten KG

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 580 x 285 x 490 mm / 22.8 x 11.2 x 19.3 inch

• Notes
• Grosse Empfindlichkeit wegen UKW-Vorröhre.

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Lange Schaltungen der Funkindustrie, Buch 3

• Mentioned in
• Gebrauchswaren-Katalog 1954

• Other Models

• Here you find 40 models, 29 with images and 36 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gerufon-Radio Walter Velten KG, Radiogerätefabrik Quedlinburg; Quedlinburg/Harz (Ostd.)