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ID = 3903
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 6SD7GT = CV865 = 6SD7
Similar Tubes
Multiple differences or of other kind:
First Source (s)
15.Apr.1940 : Electron Tube Registration List
Successor Tubes 6BA6  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uka)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Tube prices 2 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
6SD7GT: Collection JR
Jacob Roschy

6SD7GT: RTT Schwandt
Günther Stabe

6SD7GT: Sylvania Technical Manual
Peter Hoddow

Usage in Models 1= 1940 ; 5= 1941?? ; 22= 1941 ; 9= 1942?? ; 2= 1942? ; 6= 1942 ; 1= 1946?? ; 1= 1946 ; 3= 1947??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):50

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