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CV1643

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ID = 63350
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to CV1643
Similar Tubes
Normally replaceable-slightly different:
  CV1644 ; E132 ; VT37B_GPO ; VT37C_GPO

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Telephony
Filament Vf 2 Volts / If 0.82 Ampere / Direct / Specified voltage AND current AC/DC
Information source -- Collector info (Sammler)   

uv~~44.png CV1643: Fin Stewart
Fin Stewart


Just Qvigstad
 

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