Start with the source for up-grading your mains performance with our silver plated wall socket. Heavy deposits of silver plate on the live and neutral contact bars and de-oxit treated earth bar, substantial silver plated contact screws finish off this must have up-grade for every hi-fi enthusiast who wants to get the best performance from their system.
Silver plating improves conductivity, much better than brass, rhodium or gold, please see our article on the conductivity of metals for hi-fi.