Yes, I have tried my Borresen with a variety of amps.
You don't need Aavik. In fact, the class D Aavik does not sound that good with Borresen...gets fatiguing...no "ideal" house sound there.
Here are some amps that can shine with it....at different price brackets
Schiit Tyr monos (impressive)
Rotel Michi (a bit more lively, could feel a tad genre picky)
Luxman c900u/m900u (immaculate)
Technics flagship (very transparent, has some unique tricks, it just shows what's upstream of it)
Also sounds good with older heavyweight Levinsons
Such combos beat out Aavik to my ears easily.
I have not audited the flagship class A Aavik in my room, however. I would wager that it sounds good if you empty your wallet for the class A flagship. But, i have no such plans of emptying the wallet when i can have a good time with amps priced a lot less..
The key to elevating Borresen however is bass management. When you prevent those small woofers from moving too much by snipping the low bass octaves/sending it to subs...you're in for a treat.

