Martin MA550 Authentic Acoustic Strings - SP Phosphor Bronze Medium Promo 3pk - 3 sets for the price of 2!
Martin® Authentic Acoustic® Superior Performance SP® strings feature higher tensile strength and tin-plated core wire on all six strings that enable a fuller and more balanced tone, quicker response and increased tuning stability. Martin's impeccable standards for acoustic guitar tone are embedded in their string design and precision manufacturing process. That's why they make their own.
Check out Maury's Martin Acoustic Guitar String blog for more information on Martin strings.
String gauge: E - .013, B - .017, G - .026, D - .035, A - .045, E - .056
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