I've got a pair of S-75's that I've been converting to frankenspeakers. JBL 10" woofers, Pioneer mids, Marantz HD-770 tweeters and crossovers and some old Kloss tweeters as supertweeters. I have one almost done, sounds surprisingly good. I don't think I'll be able to get the frilles on with the pots where I had to mount them though. Did you get the stands with them? They look pretty sharp.