High-end amplifier clarification?

Pretty well anything found in a "high end" (fancy) audio shop.

How long is a piece of string? I really beleive it comes down to a relativity answer. To some it is a Marantz, to other is its FM Acoustics. I think it is one that is bought at a good stereo store not at Best Buy. One that has a price tag that is just at the crest of your budget.
For me it is "brand X' that is in my system. I omit the brand to avoid the criticism that usually occompanies the mere mention of the brand. Buy what trips your trigger.

Kijanki, that list made the Solution monos almost seem like a deal!

If it has an 8-track player attached to it, it's not high end.

General rule of thumb.

If I correctly understood the link that Kijanki so kindly provided, the$650K/pr. Pivetta mono amps provide 20,000 WPC. This is just a bit over $30 per watt/ch. I'm not sure that this is costly enough to qualify as true "high end". Many a bargain priced 100 WPC amp (equivalent pricing is +/- $3200) would be denied admission to the purist high end club - so I don't know why the Pivetta gets a free ride.

So, Kijanki, maybe not ALL the amps on that list ;-).

Marty