• Year
  • 1930/1931
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 5775

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 AF stage(s)
  • Tuned circuits
  • 1 AM circuit(s)
  • from Radiomuseum.org
  • Model: 21S - Seibt, Dr. Georg Nachf.;
  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Circuit diagram reference
  • Röhren in FS-Bestückungstabellen

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