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Marconiphone III (M3)

Marconiphone III ; Canadian Marconi Co. (ID = 1032610) Radio Marconiphone III ; Canadian Marconi Co. (ID = 1032611) Radio
Marconiphone III ; Canadian Marconi Co. (ID = 1032612) Radio Marconiphone III ; Canadian Marconi Co. (ID = 1032614) Radio
Marconiphone III ; Canadian Marconi Co. (ID = 1032616) Radio Marconiphone III ; Canadian Marconi Co. (ID = 1032618) Radio
Marconiphone III ; Canadian Marconi Co. (ID = 1032620) Radio
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Marconiphone III ; Canadian Marconi Co. (ID = 1032610) Radio
Canadian Marconi Co.: Marconiphone III [Radio] ID = 1032610 933x637
Select picture or schematic to display from thumbnails on the right and click for download.
For model Marconiphone III (M3), Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC:
Ebay Item number: 120756319155
 
Country:  Canada
Manufacturer / Brand:  Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC
alternative name
 
CMC Canada || Marconi, Canada
Year: 1924 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: 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).
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: Marconiphone III - Canadian Marconi Co. Ltd. CMC,
Material Wooden case
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)


All listed radios etc. from Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC
Here you find 443 models, 303 with images and 363 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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