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Majestic 311 Ch= 310-A

Majestic 311 Ch= 310-A; Grigsby-Grunow - (ID = 671104) Radio
 
Majestic 311 Ch= 310-A; Grigsby-Grunow - (ID = 671105) Radio
 
Majestic 311 Ch= 310-A; Grigsby-Grunow - (ID = 671106) Radio
 
Majestic 311 Ch= 310-A; Grigsby-Grunow - (ID = 671107) Radio
Majestic 311 Ch= 310-A; Grigsby-Grunow - (ID = 933565) Radio
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Majestic 311 Ch= 310-A; Grigsby-Grunow - (ID = 933565) Radio
Grigsby-Grunow -: Majestic 311 Ch= 310-A [Radio] ID = 933565 232x331
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For model Majestic 311 Ch= 310-A, Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL):
Radio Retailing, Oct. 1932
 
Country:  United States of America (USA)
Manufacturer / Brand:  Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
Year: 1932 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 58 56 58 58 55 47 80
Main principle Superhet with RF-stage; ZF/IF 175 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Majestic 311 Ch= 310-A - Grigsby-Grunow -Hinds Co.
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Notes Introduced Sept. 1932 Uses one or more spray shield tubes; mentioned in Rider´s index.
Price in first year of sale 44.50 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Circuit diagram reference Rider's Perpetual, Volume 3 = 1933 and before
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965
Literature/Schematics (1) Machine Age to Jet Age II (page 190.)
Literature/Schematics (2) Cathedral & Tombstone Radios (page 171.)


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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