Re: Tone caps
There are folks here with a better comprehension of the electronic theory behind capacitors, and how a different type might impact tone, so I will not go there. I can only say this I have PIO caps in all three of my Les Pauls, no little ceramic chicklet style ones like Gibson is so fond of. My older brother likes to say, "when you hear a guy play, can you tell which kind of caps his guitar has?". He thinks a lot of this boutique stuff is snake oil. I don't believe anyone can hear any difference. I do know that many of the caps we use are made to handle much more voltage and current than we have going through a guitar. I'm going to say that any quality brand will most likely do the job just as well as any other brand.
China is making lots stuff these days that is sold to us with brand names we know and trust. I've been told, but I don't know this to be fact but cheaper CTS pots are supposedly made in China now. If that's true, why wouldn't Emerson caps, or any other component be produced there to save money? It is scary that we really don't know what we are buying anymore, but buy the ones you can get most affordably and I'm guessing you'll be OK.