Are your ML stats isolated? Try plugging them each into their own isolated receptacles. Make sure that the amp that they are connected to is also isolated on its own.
If this fails, I would contact Alex at PS Audio to get some advice.
If it is at all practical, I would highly recommend running a dedicated line(s) to your system. I realize that this may well entail tearing out some drywall, but the results are well worth the effort.
Let us know how you come out
Note: owned a pair of the SL 3s years ago. I remember that the midrange and treble regions were outstanding, with a huge soundstage.
If this fails, I would contact Alex at PS Audio to get some advice.
If it is at all practical, I would highly recommend running a dedicated line(s) to your system. I realize that this may well entail tearing out some drywall, but the results are well worth the effort.
Let us know how you come out
Note: owned a pair of the SL 3s years ago. I remember that the midrange and treble regions were outstanding, with a huge soundstage.