Martin MSP7200 SP Lifespan Phosphor Bronze Medium Acoustic Guitar Strings

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Superior performance, longer life.

Rich tone should last as long as the inspiration does. Built on Martin's durable SP core wire, Martin SP Lifespan strings are the next level in studio and stage performance. Now with a more advanced proprietary treatment from America’s legendary guitar builder, SP Lifespan strings repel dirt, grit and other environmental elements that can quickly alter the sound of your strings. All six strings are treated to ensure a longer life. Martin developed a new and advanced method to treat strings, resulting in a process that ensures both the core and wrap are protected from corrosion. The molecular level treatment adds almost no mass to the string, will not flake or peel, and does not alter the vibration pattern like some string coatings can. The high-tensile strength SP core wire resists breakage and holds tunings longer – a perfect match to the treatment in creating a long life string. SP Lifespans are designed to last longer and sound better so you can play on.

  • SP Lifespan acoustic guitar strings
  • Medium
  • Treated with Cleartone proprietary technology
  • Gauges: 13-17-26-35-45-56

MSP7200 SP Lifespan Phosphor Bronze Medium Acoustic Guitar Strings Specifications:

  • Item #: MSP7200
  • Material: phospher bronze
  • Tension: 181.1
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MartinMSP7200 SP Lifespan Phosphor Bronze Medium Acoustic Guitar Strings

(based on 1 review)

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Reviewed by 1 customer

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(2 of 2 customers found this review helpful)


SP 7200 Phosphor Bronze Lifespan Coated


from Central Ohio

About Me Experienced


  • Comfortable
  • Consistent
  • Good Tone
  • Long Life
  • Strong


  • None

Best Uses

  • Only String I Need

Comments about Martin MSP7200 SP Lifespan Phosphor Bronze Medium Acoustic Guitar Strings:

These strings last so long that I forget between changes what a pain it is to change them on my slot head guitar. But I love the guitar. So they are my permanent strings on all my guitars.

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