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
Post removed Aug 12, 2015
dejanm Details Discussions Posts This discussion Message User 72 posts 11-07-2009 at 05:26pm Copy Comment URL Report Comment Edit Delete New Krell EVO amps do have input impedance of 200 Kohm on balanced inputs. So if that is what you are looking for ...
guidocorona Details Discussions Posts This discussion Message User 4,298 posts 11-07-2009 at 05:57pm Copy Comment URL Report Comment Edit Delete Several newer class D amps have imput impedances in the 40K Ohms, including my JRDG 312. . . but the highest may be the Bel canto Ref 1000 Mk.2. It has raised its input impedance to 200K Ohms from the previous version, which was a respectable 20K Ohms already. R1000 Mk.2 handle my 6Ohms wabbly load Mahlers without any difficulties. Guido
Post removed Aug 12, 2015