• Country
• Germany

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

• Year
• 1952/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 14776

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.

• Details
• Record Player (not changer)

• 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: Phonola 53W - Gerufon-Radio Walter Velten KG

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

• Dimensions (WHD)
• 580 x 420 x 385 mm / 22.8 x 16.5 x 15.2 inch

• Notes
• variable Bandbreite.

• 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

• 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.)