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Mayfair Ch= 9D454

Mayfair Ch= 9D454; De Forest DeForest (ID = 2241161) Radio
 
Mayfair Ch= 9D454; De Forest DeForest (ID = 2241162) Radio
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Mayfair Ch= 9D454; De Forest DeForest (ID = 2241161) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  Canada
Manufacturer / Brand:  De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto
Year: 1939/1940 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 1A7G 1N5G 1H5G 1Q5G
Main principle Super-Heterodyne (Super in general); ZF/IF 456 kHz; 2 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries / 90 & 14 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: Mayfair Ch= 9D454 - De Forest DeForest Crosley
Notes This model is electrically identical to the Rogers 14/44 and the Majestic 944.
Circuit diagram reference Radio College of Canada
Mentioned in RCC Rogers-Majestic section, pages 62, 61 & Cross-Reference

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, 105 with images and 169 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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