Class A or AB amp for JBL S4700 speakers

Which should I go for and why? Brands I'm looking at are Accuphase, Pass Labs, and maybe McIntosh.

dave_7209-28-2013 5:32pm

joecasey Details Discussions Posts This discussion Message User 484 posts 10-19-2014 at 12:30pm Copy Comment URL Report Comment Edit Delete 10-19-14: Audiolabyrinth Dave_72, The Tube Research labatories pre-amp is one of the very BEST tube pre-amps for sound quality today!, made in the U.S.A.!, hand built, I said big bang for the dollar going against $20,000.00 pre-amps, ask anyone about one of these pre-amps, nothing but great feed back. OK, I'll ask you since you're offering advice, what $20,000 pre have you compared the Dude too?