• Year
  • 1951/1952
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 11950

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 470 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110-250 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 17 cm = 6.7 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 521 - Deso, Dewald & Sohn, Dewald AG
  • Dimensions (WHD)
  • 455 x 285 x 200 mm / 17.9 x 11.2 x 7.9 inch
  • Net weight (2.2 lb = 1 kg)
  • 8.6 kg / 18 lb 15.1 oz (18.943 lb)
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Circuit diagram reference
  • Die Tungsram-Tabellen führen das Modell auf.

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