• Country
• Canada

• Manufacturer / Brand
• Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto

• Year
• 1930/1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 156755

• • alternative name: Rogers Radio Tube

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

• Number of Tubes
• 7

• Valves / Tubes
• 224 224 224 224 245 245 280

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 AF stage(s)

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Rogers 680 Ch= 741 - Rogers-Majestic, Standard

• Notes
• The line switch and tone control were combined: off/on was in/out and tone was right/left. This set had the capability to preset stations. A push-pull audio output circuit is incorporated into this set. Rogers 630, 640, 650 and 660 are electronically identical to this model.

• Circuit diagram reference
• Radio College of Canada

• Mentioned in
• RCC Rogers section page 8

• Author
• Model page created by Robin Roeckers. See "Data change" for further contributors.

• Other Models

• Here you find 555 models, 230 with images and 506 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto