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VT-209

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ID = 10441
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to VT-209 = CV694 = 12SG7
Similar Tubes
Other class quality (otherwise equal):
  12SG7Y
Heater different:
  VT-211

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uk)
Was used by Military and/or Government
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

s_360_g.gif VT-209: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

More ...

Just Qvigstad
Usage in Models 1= 1949

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

Collection of

 
12sg7_vt209_43rm400s.jpg

VT-209
 

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