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G-57A-S

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ID = 49975
       
Country:
United States of America (USA)
Brand: Majestic tubes of Grigsby-Grunow
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to G-57A-S = 57AS
Similar Tubes
Other shape (e.g. bulb type):
  57A ; G-57A

Base 6-Pin-Base U6A, old, USA Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC
Description With sprayed metal shield 
Information source Babani, International Radio Tube Encyclopaedia
 
g57as.jpg
G-57A-S: My own collection
Torbjörn Hansson

 
g57as_so.png
G-57A-S: arrl handbook 1972
Anonymous 10 Collector

 

from Just Qvigstad

Usage in Models 1= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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