EXPIRED 5U3C (5U4G) SED winged C grey plate/black base rectifier #2

[aertex]

Further Information:

Single SED winged C 5U3C (5U4G) rectifier tube, balck base, grey plates, made in 60's. Has markings "X71" and "OTK 23" as well as 5U3C. See pics.

 

quote from The Tube Store: "Incredibly rare and considered to be one of the best 5U4G rectifier tubes made. ........this...Winged "C" 5U4G / 5U3C is labeled with its Russian name 5U3C but is an exact replacement for any 5U4-G tube."

 

 

Edited September 21, 2022 by aertex
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