Sperrkreis / Wellentrenner 1291 mahagonifarben

ROKA, Robert Karst; Berlin

Data
Forum
Pictures
Collections

  • Year
  • 1930 ??
  • Category
  • Miscellaneous (Other, Various) - see notes
  • Radiomuseum.org ID
  • 93813

 Technical Specifications

  • Main principle
  • RF-Circuit or wave trap (separate, can also be an antenna with amp.)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Sperrkreis / Wellentrenner 1291 [mahagonifarben] - ROKA, Robert Karst; Berlin
  • Shape
  • Miscellaneous shapes - described under notes.
  • Notes

  • Sperrkreis und Wellentrenner mit Eisenkernspulen und Trolitul-Kondensator. 200-600 m und 800-2000 m, runde Dosenbauform.

    Bakelit braun (mahagonifarben).

  • Net weight (2.2 lb = 1 kg)
  • 0.125 kg / 0 lb 4.4 oz (0.275 lb)
  • Price in first year of sale
  • 4.50 RM
  • Source of data
  • -- Collector info (Sammler)
  • Mentioned in
  • -- Original prospect or advert
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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Collections

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

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