• Country
• Germany

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

• Year
• 1952

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 14773

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH11 EBF11 ECL11 AZ11 EM11

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

• Tuned circuits
• 8 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 48 IIW - Gerufon-Radio Walter Velten KG

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

• Dimensions (WHD)
• 585 x 400 x 270 mm / 23 x 15.7 x 10.6 inch

• Net weight (2.2 lb = 1 kg)
• 12.9 kg / 28 lb 6.6 oz (28.414 lb)

• 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
• Beitter "Gerufon-Radio Quedlinburg"; S.83

• Other Models

• Here you find 41 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.)