INV05802
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.
Extra Light .010 .014 .023 .030 .039 .047
Read moreINV07557
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.
Extra Light / .010 .014 .023 .030 .039 .047
Read moreINV07558
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.
Light/Medium .0125 .0165 .0255 .0335 .0435 .055
Read moreINV07560
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.
Custom / .0115 .014 .023 .028 .038 .047
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