You are clearly doing an "upgrade". Awesome speakers!!! If you want to bring out the absolute best in your new speakers with a worthy preamp then I would unconditionally recommend the ARC Ref 10. I have had mine for two years and it is unbeatable. It is a true and lasting marriage of the best sonic qualities of soild state (transient speed, inner detail to the quark level and bottom-end punch) and tubes (ambience, space/air, sustain and realism). As they say: the pre is where the damage is done. My ARC Ref 10 must have taken the Hippocratic Oath because it does absolutely no harm. It's marvelous!!!
Ray
Ray