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VT193_GPO

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ID = 64659
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Vacuum Pentode   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to VT193_GPO = KTW61

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Telephony
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AC/DC
Information source Babani, International Radio Tube Encyclopaedia   Pages 114 & 115

gec_ktw61.png VT193_GPO: Fin Stewart
Fin Stewart


Just Qvigstad
 

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