Universal Wave Length Receiver RPM-3

Radio Products Mfg. Co.; Minneapolis, MN

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  • Year
  • 1922
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 322980

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 AF stage(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Universal Wave Length Receiver RPM-3 - Radio Products Mfg. Co.;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes

  • Radio Products Mfg. Co. RPM-3 Universal Wave Length Receiver.

    Wave length range. 150 to 25,000 meters. 

    Detector - two-stages audio.

  • Price in first year of sale
  • 100.00 $
  • Mentioned in
  • -- Original prospect or advert (August 27, 1922 Star Tribune newspaper (Minneapolis, MN))
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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