The Martin SP Lifespan series is designed for longevity. They are treated with Clear Tone which extends the life of your string. It does so by keeping the dirt, grime and sweat off the string which as we all know make strings sound not crisp and brilliant but dull and lifeless.
The coat of Cleartone does not interfere with the known Phosphor Bronze sound, a tone that Martin can provide because it so incredibly thin. Phosphor Bronze is an alloy made with 92 percent copper and 2 percent phosphate. Remember you want a high concentration of copper if you want those complex crisp high register overtones that the phosphor bronze gives you. It gives you a lot of harmonics. Great for a lot of different styles of play.
So, if you want a great and consistent tone that won’t wear out easily, get a fresh pack of Martin SP Lifespan Phosphor Bronze Acoustic Guitar Strings.
- Phosphor Bronze
- Cleartone Treatment
- Ball End
Extra Light .010 .014 .023 .030 .039 .047 133.3 MSP7000
Custom Light .011 .015 .023 .032 .042 .052 151.7 MSP7050
Light .012 .016 .025 .032 .042 .054 164.8 MSP7100
Medium .013 .017 .026 .035 .045 .056 186.2 MSP7200