Best set-up under $20K

I have a  hegel H360, very nice but I wanted to upgrade the dac after the h30 came out with full MQA decoding so bought a project pre box s2 digital. I have no doubt there's better, but it's cheap and has a low power version of the latest sabre chipset. Speakers are personal. Consider listening to a pair of Dali Epicon 8, the design is getting long in the tooth, it boogies with the hegel and dealers should deal.

I also vote for the JBL 4367s, they are an all-around amazing speaker.  I had cornwalls before these and the JBLs are better and more refined in every aspect, in my opinion.  I have an Ayon Triton Tube amp I'm using with them and it is a match in heaven.  My experiences with Class D amps was it sounded too flat & harsh if you pushed them very loud.  A typical class AB amp sounded good but these JBLs are very neutral and detailed and I felt they were too "thin" sounding for my liking until I got the Class A 125W/ch tube amp. I am mostly a rocker; classic rock, hard rock and heavy metal and I'm yet to find a speaker that plays Metallica like it's meant to be played until picking up the 4367s.  Good luck!

Grover30,

Did you play with the treble switches before chasing amps? But I can see class D being a no go on these (I use a MC462).

I run subs with my 4367 (but I do with all my speakers) and I have the UHF at -0.5db  I also listen to hard rock/metal (pop and audiophile stuff too). I think what makes them so good with old average recorded music is the great dynamics. Even 80s music with poor dynamics seem to find dynamics when played through the 4367.

The speaker is so detailed in the upper frequencies it does almost sound bright. But in direct comparison with the Revel 228be the 4367 was a touch more down in the treble which surprised me. The 590s, (my surrounds) are much brighter.  

I had an 802....quickly tired of them

By the way - I have the Hegel H590 integated amp.  I got it to drive my Harbeth 40.2’s because Harbeth uses the Hegel amps to demo their speakers at shows.  It does a great job at controlling the Harbeths, which many amps struggle with - it adds clarity and resolution.  
 

You can bypass the internal DAC to use an external DAC.  I use the Schitt Yggdasil , which is superb.  I assume you can do the same with the H360.  Which is why I suggested to stay with it for now.  You can upgrade later if you need to.