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E420_MOV

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ID = 65094
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to E420_MOV = VT95_GPO = CV1668
Similar Tubes
Normally replaceable-slightly different:
  LS5B

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Military and/or Government
Filament Vf 6 Volts / If 0.94 Ampere / Direct / Specified voltage AND current AC/DC
Description

Special experimental tube made by MOV. Similar to LS5B. E = 600; Ew = 15. Mae for Marconi. Developed at the Hirst Research Centre of GEC.

 
Information source -- Collector info (Sammler)   Undated list of experimental MOV tubes.

b4_1~~59.png E420_MOV: Fin Stewart
Fin Stewart


Just Qvigstad
 

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