• Year
  • 1938 ?
  • Category
  • Radio module post 1925 (not a part, not a key)
  • Radiomuseum.org ID
  • 314643

 Technical Specifications

  • Main principle
  • RF-Circuit or wave trap (separate, can also be an antenna with amp.)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Sperrkreis Um5 - Nora, Aron, Heliowatt; Berlin
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Sperrkreis Um5 für Mittelwelle, z.B. im Nora Csardas GW28 eingesetzt.

  • Price in first year of sale
  • 4.50 RM

 Collections | Museums | Literature

Collections

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

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