The Monocrystal™ Process: When copper slugs are forced through a small die hole to "draw" wire, known as copper extrusion, the copper undergoes a molecular change due to the stress and rapid cool down of the metal. Crystals are inadvertently formed in the copper, which act as an impediment to...

There is not a comparation between copper and silver. Copper allow 86% light speed and silver  96%. But when we talk about SOUND, MUSIC, copper can give better sound than silver. The use of different % of metals can make the job of a "mechanical equalizer" to get the best sound someone...