• Country
• Canada

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

• Year
• 1924 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 34971

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

• Number of Tubes
• 6

• Valves / Tubes
• UV201A UV201A UV201A UV201A UV201A UV201A

• Main principle
• TRF with regeneration; 2 AF stage(s); Neutrodyne

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

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

• Shape
• Tablemodel, slant panel.

• Notes
• This receiver was an original development of the Canadian Marconi Wireless Telegraph Company of Canada. It employed six UV-201A vacuum tubes when production was first started. There are three RF amplifier stages ahead of the detector and two AF stages after the detector. The receiver is of the neutrodyne design and incorporates a special “bridge circuit”, a design patented by Canadian Marconi.
  In 1924, the base price of the radio was $250. Fitted with tubes , A and B batteries and Splitdorf earphones, the price jumped to $345.

• Price in first year of sale
• 250.00 $

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• 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