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Majestic 400

Majestic 400 ; Grigsby-Grunow - (ID = 670372) Radio
 
Majestic 400 ; Grigsby-Grunow - (ID = 670373) Radio
 
Majestic 400 ; Grigsby-Grunow - (ID = 671118) Radio
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Majestic 400 ; Grigsby-Grunow - (ID = 670372) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
Year: 1933 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 57 58 57 43 25Z5 46A1
Main principle Superheterodyne (common); ZF/IF 456 kHz
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage AC/DC-set / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Majestic 400 - Grigsby-Grunow -Hinds Co.
Notes Ballast tube "46A1".
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 3 = 1933 and before
Mentioned in Rider's Change 7-1, 7-15
Literature/Schematics (1) Beitman Radio Diagrams, Vol. 01, 1926-1938


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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