• Year
  • 1923–1925
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 4947
    • alternative name: Telephon-Fabrik, AG vorm. J. Berliner

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Detektor-Empfänger 1200 - Tefag; Telephon
  • Dimensions (WHD)
  • 100 x 70 x 160 mm / 3.9 x 2.8 x 6.3 inch
  • Notes
  • 250-500 m.
  • Net weight (2.2 lb = 1 kg)
  • 0.6 kg / 1 lb 5.1 oz (1.322 lb)
  • Price in first year of sale
  • 23.00 RM
  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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The model Detektor-Empfänger is part of the collections of the following members.

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