I have used this speaker as my reference for six years. It has been my experience that they need a lot of power to sound their best. I have used a Krell KSA-150, BAT VK-500 with BAT-PAK, Pass Aleph 1.2 monoblocks (Aleph 2 is a better match for some reason) and the Pass X-600 monoblocks. The best match of the bunch seems to be the X-600's. They really make this speaker sing. I have a feeling that you can't go wrong with either the Pass X-250 or X-350 either.
