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

ERNIE BALL .030 WOUND SINGLE STRING
DADDARIO EJ39
DADDARIO EJ15 PHOSPHOR BRONZE
DADDARIO EJ12 80/20 BRONZE
ERNIE BALL 12 STRING EARTHWOOD PHOSPHOR BRONZE ACOUSTIC
ERNIE BALL COATED BRONZE ACOUSTIC 13-56
ERNIE BALL EARTHWOOD 12 STRING LIGHT
DADDARIO EJ11 80/20 BRONZE
ERNIE BALL .018 PLAIN SINGLE STRING
ERNIE BALL EARTHWOOD PHOSPHOR BRONZE ACOUSTIC 10-50
ERNIE BALL EARTHWOOD EXTRA LIGHT 10-50
DADDARIO EJ17 PHOSPHOR BRONZE
ERNIE BALL EARTHWOOD 12 STRING MEDIUM
GÖLDO GUITAR NUT CUBE MINITOOL
DADDARIO ACCESSORIES PREMIUM GUITAR MAINTENANCE KIT
ERNIE BALL .040 WOUND SINGLE STRING 