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 .054 WOUND SINGLE STRING
DADDARIO EJ16 PHOSPHOR BRONZE
ERNIE BALL .048 WOUND SINGLE STRING
ERNIE BALL EARTHWOOD PHOSPHOR BRONZE ACOUSTIC 13-56
DADDARIO EZ890 85/15 BRONZE
ERNIE BALL EARTHWOOD LIGHT 11-52
DADDARIO EJ39
ERNIE BALL .018 PLAIN SINGLE STRING
DADDARIO EPS160SL PROSTEELS
ERNIE BALL .018 WOUND SINGLE STRING
DADDARIO EZ900 85/15 BRONZE
DADDARIO EJ40 SILK & STEEL
ERNIE BALL .015 RPS PLAIN SINGLE STRING
ERNIE BALL .022 WOUND SINGLE STRING
DADDARIO EJ12 80/20 BRONZE
DADDARIO EZ910 85/15 BRONZE
ERNIE BALL .034 WOUND SINGLE STRING
ERNIE BALL 7-STRING POWER SLINKY 11-58
ERNIE BALL .030 WOUND SINGLE STRING
THOMASTIK-INFELD DOUBLE BASS STRINGS 196 DOMINANT 3/4
ERNIE BALL .036 WOUND SINGLE STRING
DADDARIO EXL110
ERNIE BALL EARTHWOOD 12 STRING MEDIUM
ERNIE BALL .024 WOUND SINGLE STRING
ERNIE BALL NOT EVEN SLINKY 12-56
ERNIE BALL EARTHWOOD ACOUSTIC BASS SET
ERNIE BALL EARTHWOOD SILK&STEEL 13-56
ERNIE BALL .042 WOUND SINGLE STRING
DADDARIO EXL160SL
DADDARIO EJ10 80/20 BRONZE
ERNIE BALL 7-STRING REGULAR SLINKY 10-56
ERNIE BALL .038 WOUND SINGLE STRING
ERNIE BALL .044 WOUND SINGLE STRING
ERNIE BALL 048 SLINKY ACOUSTIC SINGLE
ERNIE BALL 5-STRING POWER SLINKY 50-135
ERNIE BALL HYBRID SLINKY 09-46
ERNIE BALL EARTHWOOD PHOSPHOR BRONZE ACOUSTIC 10-52 