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ID = 3694
Developer: Tungsram; Budapest (see also British T.) 
Tube type:  Triode-Hexode   Frequency converter   Controlling (mu) 
Identical to 6TH8G = 6TH8
Similar Tubes
Heater different:
Other base and other heater:
  ACH1_Tungsram ; TACH1
First Source (s)
Feb.1938 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
Predecessor Tubes 6A8  
Successor Tubes 6E8G   6E8MG  

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.7 Ampere / Indirect / Specified voltage AC/DC

6TH8G: Röhrenkartei Drenkelfort
Peter Hoddow

oc24_1~~15.png 6TH8G: RTT 1974 (Franzis) 13. Auflage
Martin Renz

Just Qvigstad
6TH8G: Memento Tungsram Vol. 4
Jacob Roschy

More ...
Usage in Models 2= 1937?? ; 1= 1938?? ; 3= 1938 ; 3= 1939 ; 3= 1940 ; 1= 9999

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):13

Collection of



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