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ID = 25246
Tube type:  Vacuum Pentode   Power/Output 
Identical to UY-47B = UY-247B = UY47B

Base UY-Base, 5 Pins (USA, April 1927)
Filament Vf 2.5 Volts / If 1.75 Ampere / Direct


Information source -- Collector info (Sammler)   
UY-47B: KoBi
Konrad Birkner † 12.08.2014

UY-47B: Fin Stewart
Fin Stewart


from Just Qvigstad

Usage in Models 1= 1936? ; 1= 1937?? ; 1= 1938?? ; 1= 1938 ; 1= 1939

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):5

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