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3NP4

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ID = 10565
       
Country:
Austria
Brand: Novis; Wien (Tubes)
Tube type:  Vacuum Pentode   Power/Output 
Identical to 3NP4

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   

3np4_so.png 3NP4: rtt
Anonymous 10 Collector


Just Qvigstad
Usage in Models 2= 1948 ; 1= 1949? ; 1= 1949 ; 1= 1950? ; 3= 1952?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8
 

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