280

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

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  • Year
  • 1947/1948
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 151075
    • alternative name: CMC Canada || Marconi, Canada

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Details
  • Changer (Record changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 4 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 280 - Canadian Marconi Co. Ltd. CMC,
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Dimensions (WHD)
  • 24 x 34 x 16 inch / 610 x 864 x 406 mm
  • Notes
  • The Marconi Model 280 is an AC operated 6 Tube combination BC Receiver and 78/45/33-1/3 RPM phonograph. BC Band Tuning Range: 540 to 1720kHz. Has built-in loop antenna. Two output tubes (6AQ5) operate in parallel. Has Qty(1) Elliptical PM 7" x 9" speaker. Cabinet is Blonde Korina, Mahogany or Walnut. Operates with either 25 or 60Hz AC power. Marconi Console Model 284 uses the same chassis and schematic but does not have built-in phonograph.
  • Circuit diagram reference
  • Radio College of Canada
  • Mentioned in
  • Suppl. 23 page 48
  • Author
  • Model page created by Ashis Mukerjea. See "Data change" for further contributors.

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