i picked up some new walking phones yesterday. i can't mix with these phones - they are too heavy in their bass. i am getting interference from them that is easily blocked with a blanket, but it's different - it's on the low end.
i think the interference is environmental, but that it's probably a short, too. fixing the short will probably fix the interference.
i'm going to finish the record with the tinfoil and get some new cables in the new year - nothing to lose from trying. no clear conclusion yet.