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G-57-S

Information - Help 
ID = 37847
       
Country:
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):
  257 ; 57
Other class quality (otherwise equal):
  NU-57 ; NU-57S
Other base:
  57_Coronet

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 / Parallel, (AC/DC)
Description 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
 
g_57_s.jpg
G-57-S: Collezione personale
Alberto Ammendola

 
g57s_so.png
G-57-S
Michael Schlör

 

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

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

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