Should we ask our grid supplier to use gold instead of that oxidised steel cable to connect the overhead lines ? ![Laughing :-DD](https://www.eevblog.com/forum/Smileys/default/smiley_laughing.gif)
For the very best audio quality, you need a dedicated generator to power your equipment. The windings should be wound by hand from the finest high fidelity magnet wire ($5/ft) and the engine powered by gasoline cleaned by our special filters ($10 ea., replace daily). The dedicated circuit and the household mains wiring should not coexist in the same room, or harmful beat frequencies may develop between them, leading to a severe loss in high frequency response and a deep feeling of shame.
And no, gold wiring is not necessary, though the cables must be hermetically sealed to prevent corrosion; receptacles should have gold-plated contacts.