• Year
  • 1924–1928
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 11788

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Allwellen 101a - Carma, Präzisionswerkstätte;
  • Dimensions (WHD)
  • 140 x 100 x 50 mm / 5.5 x 3.9 x 2 inch
  • Notes
  • für Steckspulen.
  • Price in first year of sale
  • 12.00 SFr
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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