"the two 572bs I removed from the amp and replaced with the NOS centrons I purchased. Filiments were lit. My tube tester does not have a socket for them, so I CANNOT guarantee quality or usefulness. $125.00 shipped."
http://forums.qrz.com/showthread.php?461913-Centrons-from-my-2100bI guess he didn't know how to test the
old tubes in his amp, so he had to get new ones.
klc
