Late getting to this chain and surprised no one has mentioned Lyngdorf. I bought a TDAI 2170 for my family room system, bc of the one box solution and built in processer (the room set-up is asymmetrical, furniture, etc....) but that's not where I'm going....when I compared it to my main/basement system (bel canto 3.7dac, SF Line 1, two Gold Note PA-10 amps in mono or BAT VK56), it performed equal to and in some respects better. Some might say duh, vintagey vs STOA, but nevertheless I imagine the 3400 would suit your needs splendidly. Can't say how it'd compare to Luxman or Krell which have much more of a following, but something to consider esp if you might benefit from digital processing for room adjustment and option of several different sounding set-ups.