• Country
• Canada

• Manufacturer / Brand
• Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC

• Year
• 1936 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 298694

• • alternative name: CMC Canada || Marconi, Canada

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

• Number of Tubes
• 7

• Valves / Tubes
• 6K7 6A8 6C5 6K7 6Q7G 6F6G 80

• Main principle
• Superhet with RF-stage; ZF/IF 462.5 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 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) / Ø 8 inch = 20.3 cm

• Power out
• 2.7 W (4.2 W max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 81 - Canadian Marconi Co. Ltd. CMC,

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Notes

• The Canadian Marconi model 81 is a 7-tube radio for broadcast and shortwave reception. Covers 530-1625 kHz, 1605-5200 kHz and 5175-18070 kHz.
  For 25 or 60 Hz operation depending on nameplate rating.

  Models 81, 82 and 83 share the same schematic. Models 82 and 83 additionally have a tuning indicator.

• Literature/Schematics (1)
• Marconi Service Manual (Volume 1) (Page 129-132)

• Author
• Model page created by Tom Seeger. See "Data change" for further contributors.

• Other Models

• Here you find 462 models, 325 with images and 378 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC