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AY225

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ID = 28993
       
Country:
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Triode, vacuum   Universal 
Identical to AY225 = UY227 = AY227 = MY227
Similar Tubes
Other base:
  UX225
First year 1927 Saga of the Vacuumtube, Tyne page 320
Predecessor Tubes UX225  

Base UY-Base, 5 Pins (USA, April 1927)
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
 
ay225_so.png
AY225: ARRL Handbook 1972
Michael Schlör

 

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