CANADIAN MARCONI HOME ENTERTAINMENT -  MODELS 64 , 64 DC and 65 

MODEL 64

Type: 6 tube, battery powered superheterodyne receiver

Frequency range:
Broadcast - 525 to 1725 KHz
Short Wave - 5.8 to 18 Mhz

Circa: 1936
Tube lineup: 2 x 34, 1C6, 1A6, 30, 33
Audio power:  0.485 watt
Speaker size: ?

Input power:

Filament -  Storage cell  2.1 VDC @ 620 ma
B+   - 135 VDC @  26 ma . This was comprised of three 45 volt batteries in series.
No 'C'  battery required.
 

Dimensions: ?

062ac_05.jpg
This appears to be an ad for the model 62AC and 64DC radios. (Image courtesy RadioMuseum.org) 

MODEL 64DC

The Canadian Marconi Service Manual Vol 1 does not provide any data about the model 64DC.
/064dc_02.jpg
Model 64DC radio. ( Photo credit unknown) 

MODEL 65

The Marconi Service Manual Vol 1 indicates that the Model 65 was the second production run for the Model 64. To prevent confusion, it appears that Canadian Marconi assigned a new model number for the second production run.

In the second production run, a 1B5 diode-triode was substituted as a second detector and first audio in place of the 1A6. In addition an audio transformer was used in place of an R-C coupling network.


Contributors or References:

1) Canadian Marconi Service Manual - Volume 1
2) Tom   TWACHSEN@aol.com
3) http://www.radiomuseum.org/r/canadia_ma_62_ac.html

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Aug 9/15