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VT46_GPO

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ID = 33203
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to VT46_GPO = CV1616

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Telephony
Filament Vf 12 Volts / If 10 Ampere / Direct / Specified voltage AND current AC/DC
Description

Filament voltage from 11 to 13V, exact value being printed on each tube.
250W plate dissipation, 20MHz full ratings. Anode voltage 4000
Three-pin base, plate being connected to a top contact for a blade switch.

 
Information source -- Original-techn. papers.   
-- Collector info (Sammler)   
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices


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