• Year
  • 1927–1932
  • Category
  • Radio module post 1925 (not a part, not a key)
  • Radiomuseum.org ID
  • 30337

 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 Rfz12 - Telefunken Deutschland TFK,
  • Dimensions (WHD)
  • 97 x 120 x 97 mm / 3.8 x 4.7 x 3.8 inch
  • Notes
  • Bakelit-Topf mit Drehko oben; Ausführung LW und MW [514,560,569]. Siehe auch bei Rfz12 von Siemens den Textbeitrag.
  • Net weight (2.2 lb = 1 kg)
  • 0.4 kg / 0 lb 14.1 oz (0.881 lb)
  • Price in first year of sale
  • 18.00 
  • Source of data
  • -- Collector info (Sammler)

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

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