Martin Authentic SP Acoustic Guitar - 12-String Guitar
C. F. Martin & Company
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Martin® Authentic Acoustic® Superior Performance SP® strings feature higher tensile strength and tin-plated core wire on all twelve strings that enable a fuller and more balanced tone, quicker response and increased tuning stability. Martins impeccable standards for acoustic guitar tone are embedded in their string design and precision manufacturing process. That's why they make their own.
Martin® Authentic Acoustic® Flexible Core strings are designed to reduce finger fatigue and allow huge bends. They feature a lighter gauge version of Martin's Superior Performance core wire combined with heavier wrap wire to deliver a full and balanced tone with increased flex and playability.