Highboy Ch= 903

Stewart Warner; Ontario

  • Year
  • 1929/1930
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 149563

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • TRF without regeneration
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Highboy Ch= 903 - Stewart Warner; Ontario
  • Shape
  • Console, Highboy (legs > 50 %).
  • Notes
  • One dial (primary tuning control knob); push-pull af output stage; uses 903 draw type chassis from the 900 series.
    The same model exists under Stewart Warner Corp.; Chicago.
  • Circuit diagram reference
  • Radio College of Canada
  • Mentioned in
  • RCC Stewart-Warner Sheet 5

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