Short Wave Regenerative Receiver Type R. S. 7 (RS7)

Marshall-Gerken Co., The; Toledo, Ohio

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  • Year
  • 1921
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 193665
    • alternative name: Thoro-bred Radio Products || Thoroughbred Apparatus

 Technical Specifications

  • Main principle
  • Tuner pre 1926 (not a wave trap)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Short Wave Regenerative Receiver Type R. S. 7 - Marshall-Gerken Co., The;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes

  • The MAGECO Type R.S. 7 Short Wave Regenerative apparatus which covered the 150-750 meters wavelength.

    Three Circuit Tuner 

  • Price in first year of sale
  • 50.00 $
  • Literature/Schematics (1)
  • June 1921 QST Marshall-Gerken advertisement page 72
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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