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Pen425

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ID = 11473
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Vacuum Pentode   Power/Output 
Identical to Pen425

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
Filament Vf 4 Volts / If 0.25 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

pen425_sock.png Pen425: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad
Usage in Models 1= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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