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VT203_GPO

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ID = 64900
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Developer: Mullard Radio Valve Co. Ltd.;  
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to VT203_GPO = AL60
Similar Tubes
Normally replaceable-slightly different:
  CV9

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Telephony
Filament Vf 4 Volts / If 2.1 Ampere / Indirect / Specified voltage AC/DC
Information source -- Original-techn. papers.   
-- Collector info (Sammler)   

al60_cv9_2~~1.png VT203_GPO: J R
Jacob Roschy


Just Qvigstad
 

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