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Majestic Power Pack 7P3

Majestic Power Pack 7P3; Grigsby-Grunow - (ID = 678191) Power-S
 
Majestic Power Pack 7P3; Grigsby-Grunow - (ID = 678192) Power-S
 
Majestic Power Pack 7P3; Grigsby-Grunow - (ID = 678193) Power-S
 
Majestic Power Pack 7P3; Grigsby-Grunow - (ID = 678194) Power-S
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Majestic Power Pack 7P3; Grigsby-Grunow - (ID = 678191) Power-S
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
Year: 1928/1929 Category: Power supply/conditioner or battery or charger 
Valves / Tubes 1: 80
Wave bands - without
Details
Power type and voltage Alternating Current supply (AC) / 90-130 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: Majestic Power Pack 7P3 - Grigsby-Grunow -Hinds Co.
Notes Power Pack for the Majestic "70" series. 25 Hz
External source of data Ernst Erb
Source of data - - Manufacturers Literature
Circuit diagram reference Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
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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