Martin's new generation of Lifespan 2.0 strings are designed using a new patented technology only available from Martin. This technology was developed to protect the core and wound wire from corrosion without compromising tone. Authentic Acoustic Lifespan 2.0 strings look better, sound better and feel better, providing a smooth playing experience that reduces finger drag. Martin Authentic Acoustic Lifespan 2.0 strings offer next-generation treatment for long life, exceptional playability and feel, and superior reliability with authentic sound.
Gauge E B G D A E Voltage Model
Extra Light .010 .014 .023 .030 .039 .047 135.8 MA170T
Custom Light .011 .015 .023 .032 .042 .052 153.7 MA175T
Light .012 .016 .025 .032 .042 .054 167.3 MA140T
Medium .013 .017 .026 .035 .045 .056 189.6 MA150T