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Commodore Ch= 9D521

Commodore Ch= 9D521; De Forest DeForest (ID = 2241407) Radio
 
Commodore Ch= 9D521; De Forest DeForest (ID = 2241408) Radio
Commodore Ch= 9D521; De Forest DeForest (ID = 1394788) Radio Commodore Ch= 9D521; De Forest DeForest (ID = 1394789) Radio
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Commodore Ch= 9D521; De Forest DeForest (ID = 1394788) Radio
De Forest DeForest: Commodore Ch= 9D521 [Radio] ID = 1394788 933x700
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For model Commodore Ch= 9D521, De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto:
Scanned from the DeForest Folder for 1940.
 
Country:  Canada
Manufacturer / Brand:  De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto
Year: 1939/1940 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6J8M 6K7M 75M 41M 80
Main principle Superhet and TRF, very rare principle; ZF/IF 456 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast and Short Wave (SW).
Details
Power type and voltage Alternating Current supply (AC) / 117 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Commodore Ch= 9D521 - De Forest DeForest Crosley
Material Wooden case
Shape Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only).
Dimensions (WHD) 14.5 x 10 x 8 inch / 368 x 254 x 203 mm
Notes

This set is electrically identical to the Rogers 14/54, 14/56, Majestic 954, 956 and DeForest Savoy. It is also electrically identical to the Rogers 14/66, Majestic 966 and DeForest Ambassador which have a 6X6 tuning indicator tube.

Price in first year of sale 49.95 $
Circuit diagram reference Radio College of Canada
Mentioned in RCC Rogers-Majestic section, pages 57 & Cross-Reference
Literature/Schematics (3) DeForest Folder for 1940.

Model page created by Robin Roeckers. See "Data change" for further contributors.



All listed radios etc. from De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto
Here you find 250 models, 104 with images and 169 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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