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ID = 3848
Brand: Dario (tubes) - voir aussi La Radiotechnique
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   Power/Output 
Identical to B443O = B443

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Specified voltage AC/DC

In France by Miniwatt Dario the suffix O on the tube box indicates type with O base = Europe 5-Pin, B5 (Eu O, F, O5A)

Text in other languages (may differ)
Information source -- Collector info (Sammler)   

b5~~73.png B443O: Fin Stewart
Fin Stewart

Just Qvigstad
Usage in Models 1= 1932 ; 1= 1937?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of



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