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Majestic Ch= 150

Majestic Ch= 150; Grigsby-Grunow - (ID = 674327) Radio
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Majestic Ch= 150; Grigsby-Grunow - (ID = 674327) Radio
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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 5: 24 51 24 47 80
Main principle Superheterodyne (common); ZF/IF 175 kHz; Screengrid 1926-1935
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details Record Player (perh.Changer)
Power type and voltage Alternating Current supply (AC) / 115; 230 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Majestic Ch= 150 - Grigsby-Grunow -Hinds Co.
Material Metal case
Shape Chassis only or for «building in»
Notes Uses one or more spray shield tubes; chassis 150 is employed in the Castlewood phonograph combination model.
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 156 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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