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CV2864

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ID = 17667
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Double Triode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to CV2864 = VT143_GPO = CV1696 = B21

Base British-7-Pin, old (M7A)
Was used by Military and/or Government
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Specified voltage AND current AC/DC
Description

Class B audio amplifier twin triode tube. Filaments connected in series.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Collector info (Sammler)   

b21.png CV2864: Manufacturer's Literature
Emilio Ciardiello


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