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UY551

Information - Help 
ID = 13126
       
Country:
United States of America (USA)
Brand:
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to UY551 = RYB551

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Ha)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
uy551_a.jpg
UY551: scc
Christian Schaufelberger

 
35~~1.png
UY551: Fin Stewart
Fin Stewart

 

from Just Qvigstad


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