Martin MA150 Authentic Acoustic SP Guitar Strings 80/20 Bronze Medium 13-56 EB-Slinky The quarter-inch diameter pole pieces

The quarter-inch diameter pole pieces expand the magnetic field and extend the frequency ranges for a fat

soft clipping and sweet

EXPANDED CONTROL SECTION - Quickly jump between views with one-touch access to the Arranger

Type: Resonator Bells

solid rosewood back and rosewood sides

Martin MA150 Authentic Acoustic SP Guitar Strings 80/20 Bronze Medium 13-56 EB-Slinky The quarter-inch diameter pole piecesProduct Information 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. Our impeccable standards for acoustic guitar tone are embedded in our string design and precision manufacturing process. That's why we make our own. Specifications Gauge E B G D A E Tension Model Medium .