I have owned Denon, then Classe, then Bryston solid state. Not the pinnacle of solid state for sure but then I heard an AR classic 30 and everything changed. Not gone back to solid state. Music has more dimension and tone. Currently own Quicksilver, Allnic and Unison tubed. Recently tried some class D kit and detail , speed, extremely low noise floor but was still missing a hard to describe tonal beauty. ( maybe coloration) Just sounds more musical