• Country
• Canada

• Manufacturer / Brand
• Stewart Warner; Ontario

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 147692

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

• Number of Tubes
• 11

• Valves / Tubes
• 6K7G 6K8 6K7G 6K7G 6U5 6F8G 6H6G 6Q7G 6V6G 6V6G 5Y4G

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz

• Tuned circuits
• 9 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• from Radiomuseum.org
• Model: R-425 - Stewart Warner; Ontario

• Notes
• Automatic tuner; tuning eye; push-pull af output stage.

• Circuit diagram reference
• Radio College of Canada

• Mentioned in
• RCC Stewart-Warner Sheet 65

• 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