Martin MA150 80/20 Bronze Medium

Martin MA150 Authentic Acoustic SP Strings 13-56   Martin SP Authentic 80/20 Bronze Acoustic Strings: Engineered for Performance These strings are engineered with the performer in mind and they will always stand up to rigorous practice and performance schedules. We start with our 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 our 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. Designed for Durability and Performance Martin SP Authentic 80/20 Bronze Acoustic Strings are built to withstand the demands of both practice and performance. The high tensile-strength core wire ensures durability, while the tin-plating on all six strings provides enhanced corrosion resistance. These features ensure that your strings maintain t