• Country
• Canada

• Manufacturer / Brand
• Stewart Warner; Ontario

• Year
• 1929/1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 149554

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

• Number of Tubes
• 8

• Valves / Tubes
• 227 227 227 227 227 245 245 280

• 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
• Metal case

• from Radiomuseum.org
• Model: Ch= 900 series - Stewart Warner; Ontario

• Shape
• Chassis only or for «building in»

• Notes

• One dial (primary tuning control knob); push-pull af output stage; used in models 901, 902, 903, 911, 912, 913.
  The same model exists under Stewart Warner Corp.; Chicago.

  Connection to main power supply through a capacitor, to realize an antenna for local broadcasters.

• Circuit diagram reference
• Radio College of Canada

• Mentioned in
• RCC Stewart-Warner Sheet 5

• Literature/Schematics (1)
• -- Schematic (La Riparazione degli Apparecchi Radio Delforno-Colciago - Lavagnolo - Italy - 1941)

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.

• Other Models

• Here you find 325 models, 65 with images and 318 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner; Ontario