Clean electricity is the foundation for a high performance audio / video system. Environmental Potentials, whilst not name familiar to most enthusiasts, are the manufacturer whose products you need to use if you want to "upgrade your AC". The basics? Start off with a waveform correcting whole house surge protector installed in your panel and add ground filters to isolate noise traveling on the earthing conductor.
Nyal Mellor, Founder, Acoustic Frontiers
