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425PT

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ID = 10823
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Vacuum Pentode   Power/Output 
Identical to 425PT = B443
Similar Tubes
Other base:
  B443_4pin

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
Filament Vf 4 Volts / If 0.15 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

425pt_so.png 425PT: rtt
Anonymous 10 Collector


Just Qvigstad
 

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