shielding

I get terrible single coil hum pretty much everywhere in my house. Its the classic hum everywhere, unless I turn EXACTLY the right direction. Its definitely better in some rooms than others. I had this same problem with my Fender Jazz, so I replaced the pups with some hum-cancelling ones...

Hello, I am in total ignorance as far as shielding is concerned (among other things). I have all sorts of general questions, but I 'll start from a couple of simple ones. The electronics cavity and cover plate in my Streamer is black, is it shielded with some type of spray or something? Also...

I own 1990 streamer stage 1 and I can't get rid of the buzz. I thought it was something about wiring so I resoldered everything and it did no good. Now I'm not certain if something is wrong with the EMG pick ups or the aguiliar electronics I have. I thought it was maybe about electricity or the...