• Year
  • 1922 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 172784

 Technical Specifications

  • Number of Tubes
  • 2
  • Valves / Tubes
  • TM TM
  • Main principle
  • TRF with regeneration
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 4 & 80 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: Poste à 2 lampes extérieures 3104 - Charron, Bellanger et Duchamp
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • Regenerative detector (SIF patent).  See the same model 3105 with autodyne circuit (S.F.R. patent).

  • Literature/Schematics (1)
  • La Science et la Vie, Septembre 1922
  • Author
  • Model page created by John Koster. See "Data change" for further contributors.

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