Martin MA170 Authentic Acoustic SP 80/20 Bronze Extra Light 10-47

We currently have 3 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.


  • 10-14-23-30-39-47
  • Tension  138.2

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