Martin MA150 - Medium 13-56 - 80/20 - Authentic Acoustic SP Strings
These strings are engineered with the performer in mind and they will always stand up to rigorous practice and performance schedules. Martin start with their highest tensile-strength core wire, then tin-plate it on all six strings for added corrosion resistance; because what you don’t see matters! When coupled with Martin's highest quality wrap wire you get consistent true tone that you can count on song after song.
Martin Authentic Acoustic SP® strings offer excellent tuning stability, corrosion resistance and great playability.
MA150 - 80/20 BRONZE
Medium
1st E - .013
2nd B - .017
3rd G - .026
4th D - .035
5th A - .045
6th E - .056