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 EZ890 85/15 BRONZE
DADDARIO EJ39
DADDARIO EJ10 80/20 BRONZE
THOMASTIK-INFELD CELLO STRINGS 147 DOMINANT 4/4
DADDARIO EJ16 PHOSPHOR BRONZE
ERNIE BALL EARTHWOOD 12 STRING MEDIUM
ERNIE BALL EARTHWOOD PHOSPHOR BRONZE ACOUSTIC 12-54
ERNIE BALL .024 PLAIN SINGLE STRING 