Start with a Golden Ratio room with poured concrete walls a thick-pile carpet, a solid, rigid well-braced ceiling, solid wood doors and only enough windows to meet code for egress.
Suggest room dimensions (close to Golden Ratio) could be 10' high, 15' wide and 25' long.
In a room that size, pick up 2 dozen 8' tall artificial ficus trees with a lot of leaves on each tree.
That is the foundation of great sound. The components are important, but will have very limited performance without a great listening room.
Pick your source (vinyl, optical digital, streaming, something else). Listen to Sonus Faber, Wilson and other top speaker manufacturers in combination with your chosen source from some top electronics from several manufacturers.
At some point, you will find a pleasing presentation. But be ready to change because there is NO perfect piece of perfect audio gear. After a while, everything will exhibit some annoying nuances or colorations.
It then becomes a matter of how minor and tolerable those nuances and colorations are.
