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G-6A7-S

Country:  United States of America (USA)      Brand:  Majestic tubes of Grigsby-Grunow 
  Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old) 
Tube ID = 8668
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Identical to G-6A7-S
Similar Tubes Other shape (e.g. bulb type):
 6A7

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 With sprayed metal shield 
Literature Taschenbuch zum Röhren-Codex 1948/49   

g6a7s_so.png
G-6A7-S: ARRL Handbook 1972
Michael Schlör

 

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