• Year
  • 1923/1924
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 14715

 Technical Specifications

  • Number of Tubes
  • 2
  • Valves / Tubes
  • Main principle
  • TRF with regeneration; 1 AF stage(s)
  • Tuned circuits
  • 1 AM circuit(s)
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 2-Röhrengerät - Gefra, Ges. für Radio Apparate
  • Shape
  • Tablemodel, slant panel.
  • Notes
  • Export (englische Beschriftung), Flachpult.
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Circuit diagram reference
  • Info Dr. H. Börner without schematic
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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