• Country
• Canada

• Manufacturer / Brand
• Northern Electric Co. Ltd.; Montreal, QC ; Belleville, ON

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 174942

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

• Number of Tubes
• 6

• Valves / Tubes
• 6A8 6K7 6H6 6F5 6F6G 5Y4G

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC)

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

• from Radiomuseum.org
• Model: 640-A - Northern Electric Co. Ltd.;

• Notes
• Push-button tuning.

• Circuit diagram reference
• Radio College of Canada

• Literature/Schematics (1)
• Northern Electric Pages 57, 60

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

• Other Models

• Here you find 291 models, 246 with images and 254 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Northern Electric Co. Ltd.; Montreal, QC ; Belleville, ON