High Current SS amps with input impedance = 200K

I'm looking to identify amps like this that would match optimally to an Audio Research sp16 tube pre-amp with output impedance of ~ 20K?

mapman11-06-2009 6:44pm

Post removed Aug 12, 2015
foster_9 Details Discussions Posts This discussion Message User 1,638 posts 11-06-2009 at 08:49pm Copy Comment URL Report Comment Edit Delete Yes I think you are correct too, Mapman.
mapman OP Details Discussions Posts This discussion Message User 22,311 posts 11-06-2009 at 08:53pm Copy Comment URL Report Comment Edit Delete Well, that's very different then. ARC's specs are the most detailed I've seen so far then in this regard, and my original question is a moot issue then I suppose..
Post removed Aug 12, 2015
Post removed Aug 12, 2015