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Majestic 310-A Single Speaker Universal (variable voltage)

Majestic 310-A Single Speaker; Grigsby-Grunow - (ID = 2137293) Radio Majestic 310-A Single Speaker; Grigsby-Grunow - (ID = 2137294) Radio
Majestic 310-A Single Speaker; Grigsby-Grunow - (ID = 1488762) Radio Majestic 310-A Single Speaker; Grigsby-Grunow - (ID = 945813) Radio
Majestic 310-A Single Speaker; Grigsby-Grunow - (ID = 1919619) Radio Majestic 310-A Single Speaker; Grigsby-Grunow - (ID = 1919618) Radio
Majestic 310-A Single Speaker; Grigsby-Grunow - (ID = 1919620) Radio
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Majestic 310-A Single Speaker; Grigsby-Grunow - (ID = 2137293) Radio
Grigsby-Grunow -: Majestic 310-A Single Speaker [Radio] ID = 2137293 1200x1350
Select picture or schematic to display from thumbnails on the right and click for download.
For model Majestic 310-A Single Speaker Universal (variable voltage), 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) / 105-250 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Majestic 310-A Single Speaker [Universal ] - 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 The universal model differs from regular Majestic 310-A Single Speaker for having a bigger power transformer with multiple voltage selector (from 105 to 250 V). Tag on cabinet is red instead of black. On the tag is written "variable voltage", but the schematics call it "Universal".

Model page created by Alessandro De Poi. See "Data change" for further contributors.



All listed radios etc. from Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
Here you find 200 models, 118 with images and 155 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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