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OF1

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ID = 19815
       
Country:
Argentina
Brand: Philips Argentina, FAPESA, Miniwatt tubes; Buenos Aires
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to OF1
Similar Tubes
Other shape (e.g. bulb type):
  6S7G

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Description

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

 
Information source

s_321_g_4.gif OF1: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


Just Qvigstad
of1.png
OF1: Röhren-Vademekum 1947
Helmut Weigl

 

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