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Majestic 310-A Single Speaker Regular

Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 671087) Radio
 
Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 671088) Radio
 
Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 671089) Radio
 
Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 671090) Radio
Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 306767) Radio Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 428244) Radio
Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 428242) Radio Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 428243) Radio
Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 428246) Radio Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 428247) Radio
Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 428248) Radio Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 380166) Radio
Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 612392) Radio Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 926364) Radio
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Majestic 310-A Single Speaker ; Grigsby-Grunow - (ID = 306767) Radio
Grigsby-Grunow -: Majestic 310-A Single Speaker [Radio] ID = 306767 555x700
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For model Majestic 310-A Single Speaker Regular, Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
 
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: 56S 58S 58S 58S 55S 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 310-A Single Speaker [Regular] - Grigsby-Grunow -Hinds Co.
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Dimensions (WHD) 370 x 435 x 265 mm / 14.6 x 17.1 x 10.4 inch
Notes For mains 115 V, 50-60 cycle. The later universal model got a new mains transformer for 105-250 V.
Net weight (2.2 lb = 1 kg) 10.5 kg / 23 lb 2 oz (23.128 lb)
Collectors' prices  
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 3 = 1933 and before


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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