• Year
  • 1931/1932
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 15468

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF with regeneration; 1 AF stage(s)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Duo W - Koch & Sterzel AG; Dresden
  • Price in first year of sale
  • 90.00 RM +
  • External source of data
  • E. Erb 3-907007-36-0
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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The model Duo is part of the collections of the following members.

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