Having over 20 years in system upgrades or mods.
upgrade your loudspeakers Xover unless you spend over $20 k
90% of the time the Xover has average parts at best .i hav3 called out personally
several high end mfg and in a few instances hung up on for telling the truth .
just go to Humble homemade Hifi capacitor test.which you can literally taylor the Sonic character through your speakers, another Vacuum tube amp, or preamp , In digital R2R dacs sound very analog ,as well as vacuum tube dacs .even cables can tune your system tweaks high end fuses ,and power cords.