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12K7G Info
Country:  United States of America (USA)      Brand:  Common type USA 
  Tube type:  PENTODE   RF/IF-Stage   Controlling (mu) 
Tube ID = 2821
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Identical to 12K7G
Similar Tubes 6K7G (Heater different)   12K7GT (other shape (e.g. bulb, size))   6K7EG (Heater different)  
First Source (s) 22.May.1939 : Electron Tube Registration List
Successor Tubes 12SK7GT   12K7GT  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.15 Ampere / Vf 12.6 Volts /
Tube prices 0 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

oc10_g_3.gif
RTT Schwandt
Günther Stabe

 
Usage in Models   1= 1939? ; 4= 1939 ; 3= 1940? ; 29= 1940 ; 3= 1941 ; 6= 1942 ; 1= 1943 ; 8= 1945? ; 1= 1948? ;
Number of Models with this tube   56
No further Information for

12K7G    

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