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6SF7GT

Information - Help 
ID = 20414
       
 
   
Tube type:  Diode-Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 6SF7GT
Similar Tubes
Other shape (e.g. bulb type):
  6SF7
Heater different:
  12SF7GT
First Source (s)
25.Apr.1946 : Electron Tube Registration List
Predecessor Tubes 6B8GT  

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
 
tungsol_25z6_gt.jpg
6SF7GT: Friend
Mike Miller

 
oc133_g.gif
6SF7GT: RTT Schwandt
Günther Stabe

 

from Just Qvigstad

Usage in Models 1= 1946

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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