A few more bits of information on my situation:
1)... even when I set the equalizer completely flat, the more pronounced hiss/static is present as soon as the equalizer is turned on
2)... my voltage regulator is an APC LE1200 Line-R 1200VA
3)... the cable from my C52 and my MC7300 amp is unbalanced (6-foot I think)
It has been hectic for me lately but when I get a chance I'll check with my McIntosh dealer to borrow one or two sets of cables for further testing. The dealer is really very good and I'll bet they will do this for me. They were very embarrassed that McIntosh took so long ... only to give the unit a clean bill of health. I'll report back when I have more information.
Dave
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