EJ10
D'Addario EJ10 Acoustic Guitar Strings 80/20 Bronze Extra Light 10-47. EJ10 is an extra light gauge 80/20 Bronze set providing lower tension ideal for vintage instruments and playability. 80/20 Bronze, the original acoustic alloy introduced by John D'Addario Sr. and John D'Angelico in the 1930s is a popular alloy for recording due to their crisp, deep and projecting tone and appeal to many traditionalists and vintage enthusiasts for their historical significance.