SP
If you can gig night after night, your strings should be able to keep up.
Martin SP strings are designed with the performer in mind. Made with high tensile strength core wire and finished with our highest quality wrap wire, our SP line of strings stands up to rigorous practice and performance schedules to deliver consistent true tone that you can count on song after song. Available in 80/20 Bronze and 92/8 Phosphor Bronze.
80/20 Bronze
Martin SP 80/20 Bronze strings are made with our highest quality bronzed steel core wire and bronze wrap wire.
| Weight | E | B | G | D | A | E | Tension | Model | |
|---|---|---|---|---|---|---|---|---|---|
| Extra Light | .010 | .014 | .023 | .030 | .039 | .047 | 130.2 | MSP-3000 | |
| Custom Light | .011 | .015 | .023 | .032 | .042 | .052 | 147.6 | MSP-3050 | |
| Light | .012 | .016 | .025 | .032 | .042 | .054 | 160.5 | MSP-3100 | |
| Light/Medium | .0125 | .0165 | .0255 | .0335 | .0435 | .055 | 171.9 | MSP-3150 | |
| Medium | .013 | .017 | .026 | .035 | .045 | .056 | 181.1 | MSP-3200 | |
| Bluegrass | .013 | .017 | .026 | .036 | .046 | .056 | 184.6 | MSP-3250 | |
| Extra Light 12-String | .010 .010 |
.014 .014 |
.023 .010 |
.030 .012 |
.039 .018 |
.047 .027 |
245.7 | MSP-3600 |
92/8 Phosphor Bronze
Martin SP Phosphor Bronze strings are made with the highest quality bronzed steel core wire and phosphor bronze wrap wire.
| Weight | E | B | G | D | A | E | Tension | Model | |
|---|---|---|---|---|---|---|---|---|---|
| Extra Light | .010 | .014 | .023 | .030 | .039 | .047 | 133.3 | MSP-4000 | |
| High Tuning | .010 | .012 | .008 | .013 | .017 | .025 | 108.6 | MSPHT10 | |
| Custom Light | .011 | .015 | .023 | .032 | .042 | .052 | 151.7 | MSP-4050 | |
| Light | .012 | .016 | .025 | .032 | .042 | .054 | 164.8 | MSP-4100 | |
| Light/Medium | .0125 | .0165 | .0255 | .0335 | .0435 | .055 | 173.8 | MSP-4150 | |
| Medium | .013 | .017 | .026 | .035 | .045 | .056 | 186.2 | MSP-4200 | |
| Bluegrass | .013 | .017 | .026 | .036 | .046 | .056 | 188.3 | MSP-4250 | |
| Extra Light 12-String | .010 .010 |
.014 .014 |
.023 .010 |
.030 .012 |
.039 .018 |
.047 .027 |
249.6 | MSP-4600 |
Bass 92/8 Phosphor Bronze
Martin SP Phosphor Bronze strings are made with the highest quality bronzed steel core wire and phosphor bronze wrap wire.
| Weight | E | B | G | D | A | E | Tension | Model | |
|---|---|---|---|---|---|---|---|---|---|
| Light | .045 | .065 | .080 | .100 | 191.1 | MSP-4800 | |||
| Medium | .045 | .065 | .085 | .105 | 201.5 | MSP-4850 |
String Training
Wrap wire, core wire, bronze, phosphor, Monel: learn what exactly makes our strings special, and why your favorite string is right for you
Martin Ambassadors
Our strings cross the world's biggest stages night after night, always holding true. Learn who's playing Martin Strings
Pro Tips
Learn how to string your 6-string, 12-string, which strings, when to change strings, and more, direct from the Pro Dave Doll, right here at Martin Guitar