Luxman tonality

Neutral? Maybe. Sterile? Hell, no. The thing that always impresses me is the detail, across the board, along with what I believe is very good bass control. And to be clear, I'm talking about the L-590AX. All of you have had more gear than me, I'm sure, so judge my opinion accordingly.

Gotta disagree on the 'euphonic' thing, miller. "agreeable in sound" is just a throwaway, it couldn't be a more vague or inept description. I think far too many manufacturers of audio gear are tweaking it with this in mind, pushing the mids forward, etc, and well, 'adding audio crud to the system'. Perhaps not truly crud, but they're altering the sound, rather than shooting for an accurate reproduction of it. Perhaps because their gear isn't up to that task.

It is not me you disagree with, it is literally the definition. That's why I say don't take my word for it, look it up. Your disagreement then is with reality. I know nowadays we each are supposed to be able to have our own reality. Good luck with that. Me, I'll stick with the actual, you know, reality.

Isn’t it generally agreed that euphony can be achieved by boosting second order harmonics? Nelson Pass did this with his .8 series of amps. Rolling off the high frequencies a little doesn’t hurt either.

I read an article about one of his recent amp camps where he gave all the attendees second harmonic generators that could be used to increase the amount those harmonics.

@Luxmancl38
Totally agree on the AVR. I had some nice two channel stuff for many years, but switched to an AVR like many people did and I brought a top of the line, highly rated Denon AVR that I never thought sounded good. I changed to McIntosh AVR separates and tried to convince myself they sounded good whether 2 channel or surround (for that much money they should have), but they never really did. I finally went back to two-channel with the Luxman 590AXII and it's been heaven. So how's it sound? I was expecting warm, based on the demo's and other 'expert' opinions, but to me it's simply neutral. I listen for hours to all kinds of music and it never makes itself known, it just disappears. 
As for all the descriptors, warm, euphonic, detailed, it's similar to  describing a wine or a Scotch (wet dog anyone?), you're just trying to give someone else an idea of what it tastes like. You are not trying to be scientific, just hopefully helpful to them in their purchase.