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G-47

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ID = 11249
       
Country:
United States of America (USA)
Brand: Majestic tubes of Grigsby-Grunow
Tube type:  Vacuum Pentode   Power/Output 
Identical to G-47 = 47 = 247 = UY-247_Japan = A247 = VT-47 = UY247B

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Direct / Parallel, (AC/DC)
Description The G47 (G-47) is a Majestic (Grigsby-Grunow Co.) branded type 47. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
g47_so.png
G-47: ARRL Handbook 1972
Michael Schlör

 

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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