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OF5

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ID = 19816
       
Country:
Argentina
Brand: Philips Argentina, FAPESA, Miniwatt tubes; Buenos Aires
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to OF5
Similar Tubes
Other shape (e.g. bulb type):
  12K7GT

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Description

See also: Mysterious P-, O- and U- tube-series

 
Literature
 
s_321_g_5.gif
OF5: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
of5.png
OF5: Röhren-Vademekum 1947
Helmut Weigl


Usage in Models 2= 1947?? ; 1= 1950??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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