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G-4-S

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ID = 6648
       
Country:
United States of America (USA)
Brand: Majestic tubes of Grigsby-Grunow
Developer: Majestic tubes of Grigsby-Grunow 
Tube type:  Double Diode   Detector 
Identical to G-4-S
Similar Tubes
Normally replaceable-slightly different:
  G-4

Base UY-Base, 5 Pins (USA, April 1927) (Codex=H)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description G-4 with sprayed metal shield. 
Dimensions (WHD)
incl. pins / tip
x 103 x 38 mm / x 4.06 x 1.50 inch
Weight 48 g / 1.69 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   
 
majesticg4s.jpg
G-4-S: USA
John Albion

 
s_222_g_4~~2.gif
G-4-S: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 

Usage in Models 1= 1932? ; 9= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10


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