Jeff Rowland to what?


I currently own a Jeff Rowland 625 S2 amplifier. I'm curious as to what amplifiers I should listen to below 20K, new or used. I'm not unhappy, but I'm curious. The amp will be driving Monitor Audio PL500 II's. The preamp is a Jeff Rowland Corus.

ricred1
I have always have had success with the amp and preamp from the same designer/manufacturer.   I went from the Rowland to Ayre.
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