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SY227

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ID = 44915
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  Triode, vacuum   Universal 
Identical to SY227 = 227 = 27

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
 
sy227sylvania1.jpg
SY227: Collezione personale
Massimo Pedrina

 
sy227_so.png
SY227: ARRL Handbook 1972
Michael Schlör

 
sy-227sylvania.png
SY227: Vintage Electronic catalog
Geri Meier


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