These new Martin SP Lifespan Phosphor Bronze Coated Acoustic Guitar Strings are treated to preserve the SP tone and feel for the life of the string.
"All Martin SP sets use premium metals with high tensile strength to stand up to demanding performances.
SP core wires and plain strings are electro-plated to resist corrosion and deliver sustained playability." - MartinGuitar.com
Martin SP Lifespan Phosphor Bronze Coated Acoustic Guitar Strings offer a bright, rich, and warm tone. Top artists use this 92/8 composition for live performances and studio recording due to its
consistent, slightly warmer tone out of the box.
The high tensile strength carbon steel round core wire creates increased durability, keeping your guitar in tune and in tone longer.The proprietary Cleartone treatment on all six strings protects from dirt and oils, delivering the longest possible life for these SP strings.
MSP7050 Custom Light 11-15-23-32-42-52
MSP7100 Light 12-16-25-32-42-54
MSP7200 Medium 13-17-26-35-45-56
Martin & Co. designs and manufactures the strings themselves. Like their guitars, each string is made with patience, care, and precision with only the highest quality materials producing strings with exacting tone and superior performance. Not only are their packaging materials minimized and 100% recyclable, but the envelopes reduce the tarnishing effect on the strings."