• Year
  • 1924/1925
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 4893
    • alternative name: Telephon-Fabrik, AG vorm. J. Berliner

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 5
  • Valves / Tubes
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 Special; 2 AF stage(s); Neutrodyne
  • Tuned circuits
  • 3 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Neutrodyne 1215 - Tefag; Telephon
  • Dimensions (WHD)
  • 540 x 250 x 250 mm / 21.3 x 9.8 x 9.8 inch
  • Notes
  • 250-700 m
  • Net weight (2.2 lb = 1 kg)
  • 9 kg / 19 lb 13.2 oz (19.824 lb)
  • Price in first year of sale
  • 315.00 RM +
  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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

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