#1
So I blew a 6v6 on my Rockerverb 50 and I was planning on replacing it (or all of them) with 4 JJ 6v6S'... Thoughts?

I assume I can, but can I mix and match tubes?
Although I do plan on replacing all four in the future, but if not, then I'll do so now if I have to.

Thanks in advance!