Martin Acoustic Flexible Core Medium MA550FX 13|56
92/8 Phosphor Bronze
Martin® Authentic Acoustic® Flexible Core strings are designed to reduce finger fatigue and allow huge bends. They feature a lighter gauge version of our Superior Performance core wire combined with heavier wrap wire to deliver a full and balanced tone with increased flex and playability. Our impeccable standards for acoustic guitar tone are embedded in our string design and precision manufacturing process. That’s why we make our own.
MA550FX Medium .013 .017 .026 .035 .045 .056
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