Friend
I am not sure where you reside, but Deja Vu Audio specializes in high efficiency systems! Also, The Cardas upgrade I am not familiar with. However, go to www.dejavuaudio.com and see what they have. Also, call them and chat with Vu. With your speakers you need between 1 and 10 watts to really appreciate what they can do! I currently run a homemade 1 watt SET on 93db Klipsch speakers. No, I can't rattle windows with it - but I can have instruments and voices delivered to my listening space that makes me smile.
Studio 1
I am not sure where you reside, but Deja Vu Audio specializes in high efficiency systems! Also, The Cardas upgrade I am not familiar with. However, go to www.dejavuaudio.com and see what they have. Also, call them and chat with Vu. With your speakers you need between 1 and 10 watts to really appreciate what they can do! I currently run a homemade 1 watt SET on 93db Klipsch speakers. No, I can't rattle windows with it - but I can have instruments and voices delivered to my listening space that makes me smile.
Studio 1