You say 'had' a pair of M22s? Did the leave? If not, try running them with the M50 and report back. The M22 and M60 is one extremely pleasant sounding speaker combo. I am interested if the M50/M22 yields a similar result.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70