What’s really troubling herein is that there really isn’t any explanation as to any special part or technique that creates a much more expensive amplifier.
Further, electrical equipment which is very sophisticated requires a break in period. It takes months of listening to mellow out all the components. This is especially true with speakers where mechanics of the drivers need to loosen up.
How is anyone supposed to do a comparison within a dealer with such new products that have not been broken in fully.
And then you hear people who are upset with purchases because they don’t have the patience to break things in so they do acoustical treatments and cables and clutter up their system.
Proceed gradually and work with what you’ve got and then take a chance when your inspired to buy something new.
My next move appears to be some interconnects and maybe a better quality server to replace a nucleus. And longer-term maybe I’ll replace my speakers but they look really nice and need more to break in probably. My amplifiers are mcintosh 600 W mono blocks which go really well with my speakers so no interest in changing these out.