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Majestic Ch= 120

Majestic Ch= 120; Grigsby-Grunow - (ID = 674342) Radio
 
Majestic Ch= 120; Grigsby-Grunow - (ID = 674344) Radio
 
Majestic Ch= 120; Grigsby-Grunow - (ID = 674345) Radio
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Majestic Ch= 120; Grigsby-Grunow - (ID = 674342) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
Year: 1931 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: 32 32 30 32 32 33
Main principle Superhet with RF-stage; ZF/IF 175 kHz; Screengrid 1926-1935
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries / ? & 135 & -22,5 Volt
Loudspeaker Magnetic loudspeaker (reed) generic.
Power out
from Radiomuseum.org Model: Majestic Ch= 120 - Grigsby-Grunow -Hinds Co.
Material Metal case
Shape Chassis only or for «building in»
Notes Chassis for Majestic model 121.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)


All listed radios etc. from Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
Here you find 200 models, 118 with images and 154 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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