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UY-47B

Information - Help 
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
Description

Japan

 
Information source -- Collector info (Sammler)   
 
uy47b.jpg
UY-47B: KoBi
Konrad Birkner † 12.08.2014

 
47_uy247.png
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 Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

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