Acoustic warmth is the pinnacle of your acoustic guitar voice. Without it, your guitar will sound tinny and soulless. 80/20 bronze has 80% copper. Phosphor bronze strings contain 90% copper and because of this, has a warmer, more pleasing sound.

RED Brand Strings, the first and only brand of copper-bronze acoustic guitar strings. With the highest copper content of any string brand, RED Brand gives acoustic guitars precise articulation, louder sound, greater projection and a warmer, richer tone from the moment you tune them up. There hasn't been a significant new material introduced for acoustic guitar in 35 years.

Made in the U.S.A.

Specifications

• Gauges: Extra Light 11, 15, 24, 32, 42 and 52 Light 12, 16, 25, 33, 43 and 53