I have a Spector ReBop 5, with the EMG- HZ pickups and the tone pump circuit. I love the sound, but in certain rooms, when I turn the highs all the way up, I get some buzzing. It's particularly bad when I am near an electrical conduit. My bass will also piuck up my cell phone if it's too colse. I can't believe there is no fix for this other than new pickups. What can you advise? Also, I have a natural, and it is wearing out where my fingers hit when I slap. What can I do about this?