VTL 6550 vs. KT90?

I own a pair of VTL 750's and was looking to replace the 24 6550 tubes. Has anyone tried the KT88 or the KT90 as compared to the 6550?

hifimeomy05-10-2000 5:40am

hifimeomy OP Details Discussions Posts This discussion Message User 7 posts 05-12-2000 at 05:25am Copy Comment URL Report Comment Edit Delete Thanks Marcorin. Did you compare the 6550 to the KT90 in a VTL amp as well?