

Martin MA550T 2.0 Treated 92/8 Phosphor Bronze Acoustic Guitar Strings 13-56
Martin MA550T 2.0 Treated 92/8 Phosphor Bronze Acoustic Guitar Strings 13-56
Description
Martin® Authentic Acoustic® Lifespan® 2.0 strings are engineered with an advanced anti-corrosion treatment designed to help prevent buildup and corrosion from everyday playing—without compromising tone or feel. The result is long-lasting performance with the natural response players expect.
Our uncompromising standards for acoustic guitar tone are built into every detail of our string design and precision manufacturing process.
That’s why we make our own.
Gauges & Tensions
| Gauge | E | B | G | D | A | E | Tension | Model |
|---|---|---|---|---|---|---|---|---|
| 80/20 Bronze | ||||||||
| Extra Light | .010 | .014 | .023 | .030 | .039 | .047 | 135.8 | MA170T |
| Custom Light | .011 | .015 | .023 | .032 | .042 | .052 | 153.7 | MA175T |
| Light | .012 | .016 | .025 | .032 | .042 | .054 | 167.3 | MA140T |
| Medium | .013 | .017 | .026 | .035 | .045 | .056 | 189.6 | MA150T |
| Extra Light 12-String | .010/.010 | .014/.014 | .023/.010 | .030/.012 | .039/.018 | .047/.027 | 261.7 | MA180T |
| 92/8 Phosphor Bronze | ||||||||
| Extra Light | .010 | .014 | .023 | .030 | .039 | .047 | 137.0 | MA530T |
| Custom Light | .011 | .015 | .023 | .032 | .042 | .052 | 155.1 | MA535T |
| Light | .012 | .016 | .025 | .032 | .042 | .054 | 168.5 | MA540T |
| Medium | .013 | .017 | .026 | .035 | .045 | .056 | 190.9 | MA550T |
| Extra Light 12-String | .010/.010 | .014/.014 | .023/.010 | .030/.012 | .039/.018 | .047/.027 | 263.3 | MA500T |

Martin MA550T 2.0 Treated 92/8 Phosphor Bronze Acoustic Guitar Strings 13-56
Sale price$15.99 USD
Regular price$19.99 USD
