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G-6A7

Information - Help 
ID = 8667
       
Country:
United States of America (USA)
Brand: Majestic tubes of Grigsby-Grunow
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old) 
Identical to G-6A7 = 6A7
Similar Tubes
Other shape (e.g. bulb type):
  G-6A7-S

Base 7-Pin-Base U7A = small, old, USA (Codex=Mh)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Description The G-6A7 is a normal 6A7 made by Majestic-Grigsby-Grunow. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
g6a7_so.png
G-6A7: rtt
Michael Schlör

 

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