I can’t say but I will have the same preamp (I demoed a Ref 6 and was sold) driving my Vandersteen M5-HPAs which are hooked up to my 5A Carbons. If I were you I’d audition the M5-HPAs.
ARC REF 150SE vs REF 160S
I currently have a Ref 6SE and Ref 150 driving a pair of Vandersteen 5a Carbons. Over time I have gradually worked my way up from Vandy 2s and an ARC VT100. Keeping with that theme, I am ready for another move up. I am torn between just upgrading the Ref150 (when ARC is able) or blowing the bank on a Ref 160S. Both are great amps, but I am interested in opinions on the comparison. The 160S meters don’t move me and I enjoy biasing my own power tubes. Will the 160S change my life?