• Year
  • 1931 ??
  • Category
  • Radio module post 1925 (not a part, not a key)
  • Radiomuseum.org ID
  • 342222

 Technical Specifications

  • Main principle
  • RF-Circuit or wave trap (separate, can also be an antenna with amp.)
  • Tuned circuits
  • 1 AM circuit(s)
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Sperrkreis - Kätsch GmbH, Paul Logo PK;
  • Dimensions (WHD)
  • 130 x 130 x 80 mm / 5.1 x 5.1 x 3.1 inch
  • Net weight (2.2 lb = 1 kg)
  • 0.4 kg / 0 lb 14.1 oz (0.881 lb)
  • Author
  • Model page created by Alfons Lammers. 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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