I just aquired a set of Dalhquist DQ-10 mirror image with desired caps. I run a Sansui CA-2000 preamp and would like to go up to 200-250 watts per ch.Yes I would like a BA-5000 but not very likely to find or be able to afford ! I have been looking at Phase Linear Pl 400,Hafler Dh 500, and the...