• Country
• Canada

• Manufacturer / Brand
• Stewart Warner; Ontario

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 147064

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

• Number of Tubes
• 5

• Valves / Tubes
• 6SA7 6K7G 6Q7G 6F6G 5Y4G

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

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

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: R-4521 Ch= R-452 - Stewart Warner; Ontario

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 13 x 13 x 8.5 inch / 330 x 330 x 216 mm

• Notes
• With mottled brown finish; push button tuner.

• Circuit diagram reference
• Radio College of Canada

• Mentioned in
• RCC Stewart-Warner Sheet 78

• Author
• Model page created by Ashis Mukerjea. 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