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Battery Model 233

Battery Model 233; Canadian Marconi Co. (ID = 1188281) Radio
 
Battery Model 233; Canadian Marconi Co. (ID = 1188282) Radio
 
Battery Model 233; Canadian Marconi Co. (ID = 1188283) Radio
 
Battery Model 233; Canadian Marconi Co. (ID = 1188284) Radio
 
Battery Model 233; Canadian Marconi Co. (ID = 1188285) Radio
 
Battery Model 233; Canadian Marconi Co. (ID = 1188286) Radio
 
Battery Model 233; Canadian Marconi Co. (ID = 216495) Radio
 
Battery Model 233; Canadian Marconi Co. (ID = 216496) Radio
 
Battery Model 233; Canadian Marconi Co. (ID = 216497) Radio
 
Battery Model 233; Canadian Marconi Co. (ID = 300400) Radio
Battery Model 233; Canadian Marconi Co. (ID = 1188443) Radio Battery Model 233; Canadian Marconi Co. (ID = 216494) Radio
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Battery Model 233; Canadian Marconi Co. (ID = 1188443) Radio
Canadian Marconi Co.: Battery Model 233 [Radio] ID = 1188443 933x630
Select picture or schematic to display from thumbnails on the right and click for download.
For model Battery Model 233, Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC:
Picture from Marconi Radio Service Manual
 
Country:  Canada
Manufacturer / Brand:  Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC
alternative name
 
CMC Canada || Marconi, Canada
Year: 1947/1948 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 1T4 1R5 1R5 1T4 1S5 1S4 1S4
Main principle Superhet with RF-stage; ZF/IF 462.5 kHz; 2 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast plus 2 Short Wave bands.
Details
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 0.5 W (unknown quality)
from Radiomuseum.org Model: Battery Model 233 - Canadian Marconi Co. Ltd. CMC,
Material Wooden case
Shape Tablemodel, low profile (big size).
Notes The Marconi Model 233 is a battery operated 7 Tube BC/SW Receiver.
BC Band Tuning Range: 540 to 1720kHz.
SW1 (Day)Band Tuning Range: 5.9 to 10.2MHz.
SW2 (Night)Band Tuning Range: 10.2 to 18.2MHz.
The two output tubes in the last audio stage are connected in parallel. Has Economizer switch to save battery power, which reduces output from 0.5 to 0.25 watts by disconnecting one of the two output tubes. Marconi Model 270 uses the same chassis and schematic.
Circuit diagram reference Radio College of Canada
Literature/Schematics (1) -- Original-techn. papers.
Literature/Schematics (2) Marconi Service Manual Volume No. 2 (Volume 2, Page 95)

Model page created by Pius Steiner. See "Data change" for further contributors.



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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