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ID = 37847
United States of America (USA)
Brand: Majestic tubes of Grigsby-Grunow
Developer: Majestic tubes of Grigsby-Grunow 
Tube type:  Vacuum Pentode   Audio Frequency 
Identical to G-57-S = 57S
Similar Tubes
Other shape (e.g. bulb type):
Other class quality (otherwise equal):
  NU-57 ; NU-57S
Other base:

Base 6-Pin-Base U6A, old, USA Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC

The G-57-S (G57S) is a shielded type 57, branded for Majestic (Grigsby-Grunow).

Dimensions (WHD)
incl. pins / tip
x 123 x 39 mm / x 4.84 x 1.54 inch
Weight 42 g / 1.48 oz
Information source 70 Years of Radiotubes and V.   p. 180

g57s_so.png G-57-S
Anonymous 10 Collector

Just Qvigstad
Usage in Models 2= 1932? ; 9= 1932 ; 1= 1933

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):12

Collection of



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