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Dublette ID= 162410

Dublette ID= 162410; Grigsby-Grunow - (ID = 670730) Radio
Dublette ID= 162410; Grigsby-Grunow - (ID = 670731) Radio
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Dublette ID= 162410; Grigsby-Grunow - (ID = 670730) Radio
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: 9999/9999 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 11: 58 58 56 58 55 57 57 59 59 59 82
Main principle Superhet with RF-stage; ZF/IF 175 kHz
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Alternating Current supply (AC)
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: Dublette ID= 162410 - Grigsby-Grunow -Hinds Co.
Material Metal case
Shape Chassis only or for «building in»
Notes Uses one or more spray shield tubes; tuning light; push-pull af output stage; two speakers.
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.