• Country
• Canada

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

• Year
• 1941 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 214951

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

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

• Number of Tubes
• 5

• Valves / Tubes
• 1A7G or 1A7GT 1N5G or 1N5GT 1N5G or 1N5GT 1H5G or 1N5GT 1Q5GT

• Main principle
• Superheterodyne (common); ZF/IF 462.5 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / 1.5 & 2 x 45 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm

• Power out
• 0.25 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 228 - Canadian Marconi Co. Ltd. CMC,

• Shape
• Tablemodel, low profile (big size).

• Notes
• The Marconi Model 228 is a battery operated 5 Tube BC/SW Receiver. BC Band Tuning Range: 533 to 1730kHz. SW Band Tuning Range: 5.63 to 18.0MHz. Has Qty(2) IF amplifier tubes that are resistively coupled. Marconi Console Model 229 uses the same chassis and schematic.

• Source of data
• Marconi Service Manual Volume No. 2

• Literature/Schematics (1)
• Radio College of Canada (RCC) (Volume 2, Page 83)

• Author
• Model page created by John Kusching. 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