D'Addario Phosphor Bronze Acoustic Guitar strings are acclaimed worldwide for their superb, long-lasting tone. Phosphor Bronze was introduced to string making by D'Addario in 1974 and has become synonymous with warm, bright, and well balanced acoustic tone. D'Addario's most popular acoustic guitar strings.
D'Addario's EXP coated strings now feature plain steel strings and hexagonal cores made of our revolutionary NY High Carbon Steel. Envisioned, perfected, and manufactured by D'Addario in New York, this newly engineered, break-resistant, high-carbon steel wire delivers unprecedented strength and pitch stability.