Monodic Ch= S50 5 tube table version

Electrical Research Laboratories Inc. (Erla); Chicago, Illinois

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  • Year
  • 1926
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 271976

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • TRF without regeneration; Neutrodyne
  • Tuned circuits
  • 3 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries / 5 & 45 & 90 & 9 Volt
  • Loudspeaker
  • Horn
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Monodic Ch= S50 [5 tube table version] - Electrical Research
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes

  • 3 RF stages.

    2 dial - 3 tuning capacitors. The right hand dial drives 2 tuning capacitors. 

    Grid-leak detector.

    There is also a version with 6 tubes. The exact difference is not known although it might be the number of AF stages.

    There is also a console version with built-in horn-loaded speaker. 

  • Author
  • Model page created by Dirk Bladt. See "Data change" for further contributors.

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