Yeah, like having a desktop computer system plugged into the same AC as
your hifi. Move it to another circuit. Providing the sound system with
it's own AC line (or two) straight from the panel can bring hidden
vitality to even a modest hifi. Power matters.
> I suspect that, a lot of the time, mysterious differences in how
> something sounds turn out to be the result of out-of-band garbage
> making its way into the system, either via the signal cables or the
> wall. We live in an RFI jungle nowadays.
> One of the biggest improvements Greg Mackie ever made to the mic
> preamps in his mixers was a simple upgrade in their RF-proofing.