• Year
  • 1931 ??
  • Category
  • Radio module post 1925 (not a part, not a key)
  • Radiomuseum.org ID
  • 130061

 Technical Specifications

  • Main principle
  • RF-Circuit or wave trap (separate, can also be an antenna with amp.)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Sperrkreis [Kleine Ausführung] - Telefunken Deutschland TFK,
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 52 x 52 x 35 mm / 2 x 2 x 1.4 inch
  • Notes
  • Quadratisch, flach für MW, zum Anstecken an die Antennenbuchse des Gerätes.
  • Net weight (2.2 lb = 1 kg)
  • 0.1 kg / 0 lb 3.5 oz (0.22 lb)
  • Source of data
  • - - Data from my own collection
  • Author
  • Model page created by Detlef Kraus. See "Data change" for further contributors.

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

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