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CV1647

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ID = 63362
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to CV1647 = VT40_GPO

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Telephony
Filament Vf 4.85 Volts / If 0.85 Ampere / Direct / Specified voltage AND current AC/DC
Information source -- Collector info (Sammler)   


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