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.
- Guitar Type: Acoustic Guitar
- Number of Strings: 6
- Coated: No
- Gauges: .0115, .014, .023, .028, .038, .047
- Core Material: Tin-plated Steel
- Winding Material: Silk & Steel
- Winding Type: Round

DADDARIO EJ17 PHOSPHOR BRONZE
DADDARIO HELICORE LIGHT DOUBLE BASS STRI
DADDARIO ACCESSORIES PEG WINDER PWPW1
DADDARIO EJ12 80/20 BRONZE
DADDARIO EZ900 85/15 BRONZE
ERNIE BALL EARTHWOOD MEDIUM 13-56 