The Daddario EZ910 will retain the warmth of the 80/20 and the brightness of the Phosphor Bronze. If you are a five-finger picker they will give you the added volume to make your sound rounder
D'addario American Bronze Strings are made with a lower copper to zinc ratio. This gives the string a halfway sound between a Phosphor Bronze and an 80/20 string. In essence, it will retain the warmth of the 80/20 and the brightness of the Phosphor Bronze. If you are a five-finger picker they will give you the added volume to make your sound rounder