Yum. Nice cables.

If I remember correctly, Monster speaker cable is only 16 gauge, so you effectively went from 16ga to 10ga with the new cables. I have always had my doubts about that 16ga Monster wire, even for short runs.

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8