Hello, I have a '91 Fender Strat Ultra. I dearly love this guitar, but I hated the Lace Sensor pickups in it. I replaced them with two EMG S and an 81. I do not play metal. I did this because the EMG's are reliable and quiet. The single coils behave well with the humbucker and balance nicely. My only complaint is that sometimes it seem like there is this piezo type of quality to it and it's kind of annoying. It's not as noticeable on some amps as it is on others. My question is: Does it sound this way because the single coils are ceramic? Would I be better off putting in the SA's? If it is the Active pickups all together then should I switch to passives? The only problem there is they don't tend to balance well with humbuckers and they are NOISEY. I can't stand 60cycle hum. What would you do in my situation? Thanks in advance.