• Year
  • 1939–1941
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 7815

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 468 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 120+2 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: B69Exp. - Nora, Aron, Heliowatt; Berlin
  • Dimensions (WHD)
  • 570 x 310 x 250 mm / 22.4 x 12.2 x 9.8 inch
  • Net weight (2.2 lb = 1 kg)
  • 12.5 kg / 27 lb 8.5 oz (27.533 lb)
  • Circuit diagram reference
  • Lange+Schenk+FS-Röhrenbestückung

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