Not a fan of the Mac sound — too veiled up top for my liking. You might take a look at this hybrid Unison Unico 90 as an alternative that sounds great and could save you some $$$.
https://www.usaudiomart.com/details/650309589-unison-unico-90-black/
Here’s a fairly recent review to give you more of an idea of its sound characteristics. Just another option FWIW, and best of luck.
https://twitteringmachines.com/review-unison-research-unico-90-integrated-amplifier/

