ctc16 roundie combo

[miniman82]

Have you tried swapping the 6GU7 tubes around, to rule out a bad socket/tube?

[bgk283]

yeah, i have. ive put new in, tapped on, i used to have an old guy work on it but im sure hes gone on to better things by now, they used to come up if i tapped on the bottom but no more.