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A4IF

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ID = 22662
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Vacuum Pentode   Power/Output 
Identical to A4IF = A4JF = E453_6pin

Base Europe 6-Pin B6 (Hx B) 1933
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Specified voltage AC/DC
Information source

a4if_sock.png A4IF: Maymó, Manual de válvulas, 1946
Anonymous 15 Collector

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Just Qvigstad
a4if_spec.png
A4IF: Maymó, Manual de válvulas, 1946
Anonymous 15 Collector

 

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