can Audio Research 210's use KT88 instead of 6550

thanks in advance.

mantis00701-02-2009 3:50pm

bobgates Details Discussions Posts This discussion Message User 535 posts 01-04-2009 at 05:35pm Copy Comment URL Report Comment Edit Delete Yes, they are interchangeable.
kissung Details Discussions Posts This discussion Message User 1 posts 06-11-2009 at 06:06am Copy Comment URL Report Comment Edit Delete I think they are interchangeable. The KT88 seems a better choice. The vintage Genalex KT88 seems to me the best KT88! Strongly recommended! Kisuh
westchr Details Discussions Posts This discussion Message User 2 posts 06-11-2009 at 08:15pm Copy Comment URL Report Comment Edit Delete I've used KT 88's in a D-115 previously to very good effect, and I really preferred them (except I didn't have a second amp to do a true side-by-side A-B test), but ARC do not recommend using them for some reason. I'd like to understand why this is.