Report Review for product Vacuum Tube - 5AR4 STR, Tube Amp Doctor

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Nice tube... Using it for My JTM45 Cloan
It lowered my voltage down to a nice 443 from 450
that I was getting from a JJ GZ34 Tube.. I like the lower voltage better...
So Far I like it , I would buy another one again !!

Dave T. - July 26th, 2018