Martin MA150 Authentic Acoustic SP 80/20 Bronze Medium 13-56

We currently have 2 in stock.


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.


  • .013- .017- .026- .035- .045- .056 
  • Tension 193.0

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