Martin 80/20 Bronze 13-56 Medium Acoustic Set

13 to 56 Gauge Set

Martin Authentic Acoustic SP® guitar strings are part of Martin’s improved range of acoustic guitar strings. Martin Authentic Acoustic SP® strings are engineered with the performer in mind and stand up to rigorous practice and performance schedules.

They are made with a high tensile-strength core wire, then tin-plated for added corrosion resistance. Combined with highest quality wrap wire they provide 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.

String Specification

1. E - 0.013
2. B - 0.017
3. G - 0.026
4. D - 0.035
5. A - 0.045
6. E - 0.056