I own a Ax-7e (an excellent integrated) and I don't mean to side track your thread but I suspect it does not have enough juice for your Confidence c1's.
The Confidence have been measured with 85db@4ohm.
I have the Totem Ones and they have approx. the same specs and found the Ayre (70w@8ohm) lacking the power to let speaker really breathe. In doing so, my speakers sounded bright and fatiguing with a lot of detail in the highs but boomy bass compared to when I hook them up to my Musical Fidelity A5.5 (250w@8ohm). With the A5.5 I get more sweet music, more body, tight bass/slam. The speaker sounds more balanced especially in the mid-range.
I actually just did a critical A/B listen today between the two. I also A/B two other pairs of monitors similar to yours today with similar results.
I believe Stereophile also noted in there review that the C1's needed lot's of power."As Wes Phillips found in his auditioning, it will benefit from being driven by a powerful amplifier."
Again, sorry to sidetrack and stepping in.
The funny thing, I'm also interested to hear comparisons between the Ayre and Naim.
Please carry on.