New amplifier upgrade: 650A vs A-S500 please help!!!!

[csq2]

I own a Rega Brio 3 which sounds very balanced but vocals can sound a bit warm and lack extension with complex pieces. I'm running the amp through my Klipsch RF-62 II and the sound is e

 

[the record spot]

Chances are, possible sideways move, but the Cambridge may be the most balanced of the three. The Yammy apparently exhibits a certain brightness that may not sit well with you Klipsch speakers and the ribbon tweeter I think it has (?). Depends on your source too though of course.