Yes. 3 to 4k you are in the quality used range. Audionote 3.1 is unbelievable it is a tube dac. It changed my audio direction all together. I went out and purchased a Audionote 3M line preamp (under 3k$) to match. All powered by a Bryston 3Bst.
I changed from a NAD M51 dac with Bryston B1 preamp. I had many quality speakers including a fully active Linn System.
Back to speakers. This AN system has made all my speakers soind good. I conected a set of restored KLH model 6, a sime late 60's 2 way, I could not beleive how much betwr they sounded. Next were my JBL 100's, all the dreded peakes were gone. It is adifferent listening experience.
My point is, even the best speakers can only reproduce what you feed them. Start with your dac and pre. I think you may find your solution.
Look into Audionote. Good luck.