The use of this combination of conductive materials can be condensed into this simple formula: 99% silver + 1% gold = 100% music. The MCap EVO SilverGold.Oil was developed in 2012 to specifically create the powerful and finely nuanced acoustic colors typical of SilverGold in as compact and economical a format as possible. The large capacities thus created also allow efficient use in high quality midrange applications.