EJ11 is a light gauge 80/20 Bronze set that uses our most popular acoustic guitar string sizes. 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 & projecting tone and appeal to many traditionalists and vintage enthusiasts for their historical significance. A Historic Sound80/20 Bronze is the original acoustic string alloy co-created by John D'Addario Sr. and John D'Angelico in the 1930s. 80/20 Bronze strings are popular for recording due to their bright, crisp, deep and projecting tone and appeal to many traditionalists and vintage enthusiasts for their historical significance.

Wound To Perfection 700, 000 Times A DayString Winding TechnologyString winding equipment is designed and built by D'Addario's engineering team, guaranteeing a production range of 500, 000 to 700, 000 strings per day. Digitally-controlled string winding machines ensure productivity, accuracy, and consistency. Six Sides of StabilityHex Core ConstructionPrecision drawn hexagonal core was pioneered by D'Addario. This innovation allows the wrap wire to grip the core for superior dimensional stability, enhanced durability, and precise intonation. Exact Standards, Extraordinary SoundsWire DrawingD'Addario's in-house wire drawing machines produce musical instrument wire to our exact specifications.

Control over materials, equipment, and quality allows us to deliver high performance products.