It’s the ARC Ref 80S!
The most difficult was removing it from the box.
Then hooking it up and getting it in the rack space.
But that space is near the floor. So it was easy.
But it was absolutely HORRIBLE for the first hour.
It’s been about 2 1/2 hours now and just starting to open up.
And I am starting to hear what I heard at your place.
A purity of tone. Space between the instruments. Organic.
And the differences between loud and soft is pronounced and terrific.
A whole different world from my previous amps.
The biggest drawback is that turning up the volume gets very fatiguing.
The wife is rejecting it, mostly, because of the new amount of information.
And a lesson for everyone hooking up a new tube amp is that the break in is vital to hearing what the amp is capable.
Playing it loud must, surely, get better with the break in.