Martin Authentic Treated 12-String Phosphor Bronze Acoustic Guitar Strings - 0.010 - 0.047

Martin’s Authentic Acoustic Lifespan® 2.0 strings are designed to deliver superior tone and long-lasting performance for 12-string acoustic players. Built using Martin’s patented next-generation Lifespan technology, these strings protect both the core and wrap wire from corrosion without sacrificing tone or feel. The result is a bright, balanced sound with excellent sustain and durability—even in demanding environments.

Ideal for players who want extended string life without compromising on the classic Martin tone, these phosphor bronze strings provide a smooth, comfortable playing experience with reduced finger drag. Whether you're gigging regularly or just want less frequent string changes, these treated strings are a smart upgrade for your 12-string acoustic guitar.

• Treated phosphor bronze for extended lifespan and corrosion resistance

• Patented Lifespan 2.0 technology maintains tone and feel

• Bright, balanced tone with excellent projection and clarity

• Designed for smooth playability with minimal finger drag

• Perfect for players needing long-lasting performance from their 12-string

Specs

• Gauges: 10-10, 14-14, 23-10, 30-12, 39-18, 47-27

• Material: 92/8 Phosphor Bronze

• Core: High-tensile steel

• Coating: Lifespan 2.0 next-generation treatment

• String Type: Acoustic 12-string

• Tone: Bright, balanced, and clear

• Longevity: Extended-life design