CANADIAN MARCONI HOME ENTERTAINMENT -  MODELS 252FM and 253FM 

Type: 14 tube, AF/FM superheterodyne receiver. 252FM is a table model with six pushbuttons.
            The pushbuttons only operate in the broadcast band.

Frequency range:

AM  Broadcast 535 to 1725 KHz
        Short wave night  5.85 to 10 MHz
        Short wave day   11 to 18.5 MHz
FM  Broadcast 88 to 108 MHz

Circa: ?
Tube lineup: 6BA6, 6AU6, 6BE6, 6BA6, 6AL7GT, 3 x 6AU6, 6H6, 6AT6, 6C4, 6AQ5, 6AQ5, 5U4G
Audio power: 5 watts undistorted.
Speaker:  Model 252FM - Elliptical, PM, 6" x 9"
                  Model 253FM- 12 inch dynamic

Input power:

117 VAC 60 Hz 115 watts
117 VAC 25 Hz 130 watts

The phonograph in the 253FM consumes additional power.

Dimensions:?
Comment:  Models 252FM and  253FM use the same chassis and schematic. In addition, the 253 also has a built in phonograph as illustrated below.  Early models used a single speed record changer while later models used a three speed record change

Photo via E-bay
 
Contributors or References:
1) Canadian Marconi Service Manual - Volume 2
2) http://www.radiomuseum.org/r/canadia_ma_252fm.html
3) http://www.radiomuseum.org/r/canadia_ma_253fm.html
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Jan 15/15