What is the best amp for Sonus Faber Cremonas?


I currently am driving the Cremonas with a Mac MC402. I find the Mac amp to be too dark with too much bass. (The speakers are well positioned out into the room.) I recently auditioned an Accuphase A-30 class A amp compared to a pair of Mac MC501's with Wilson Sophias and thought the Accuphase was far more musical and detailed. I never would have thought a 30 watt amp into 8 ohm (60 watts into 4 ohms) would be so effective. I am concerned about using this amp in my room which is 25' x 20'. My speakers have an impedence of 4 ohm with a sensitivity of 90db. I am using a the Mac C2200 tube preamp, but I would be willing to switch it out as well.
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Accuphase sound great, wonderful in general, and with the Sonus Faber Cremonas for instance : besides the A-30, the A50 and A-60, of course.
True that they are very effective.
Otherwise, the Accuphase P-7000 is great too.
Besides the Sonus Faber, I have heard them with another italian brand, Zingali : wonderful !
IMO, the Cremona speakers themselves have a dark character. McIntosh gear has a slightly dark presentation as well and most likely is not a good match with the Cremonas. I've listened to Cremonas with all Krell gear and thought it was a very good match, although the speakers are still a bit dark sounding for me, but they are smooth with good bass. I would recommend a powerfull solid state amp, like Krell, McCormack DNA-225 and up and Pass Labs. You need a lively amp with these speakers.
I am rather new to the high end audiophile hobby, but would one think tht the SF musica would be specifically made to go with any of the SF speakers? Alternatively, for something like the Cremona, would a tube set produce better sound, as was told to me by a salesperson at harvey's (who ahd the SF hooked up to the McIntosh tube amplifier. Just a thought. Alan