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Martin MA500T Authentic Acoustic Lifespan 2.0 Treated 92/8 Phosphor Bronze Guitar Strings - .010-.047 Extra Light 12-string

.010-.047/.010-.027 Extra Light 92/8 Phosphor Bronze Lifespan Acoustic Guitar Strings - 12-string
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Martin MA500T Authentic Acoustic Lifespan 2.0 Treated 92/8 Phosphor Bronze Guitar Strings - .010-.047 Extra Light 12-string
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Quality Acoustic Strings from Martin

At C.F. Martin & Co., they design their strings like they design their guitars — with maximum performance, exacting tone, and playability in mind. They know that musicians demand strings that will perform onstage, in the studio, or wherever their music takes them. Martin strings are designed to deliver excellent tone, clarity, and response and are made from the highest-quality materials. Treated with Martin's proprietary formula, SP Lifespan strings repel dirt and oil and play like new long after conventional strings wear out. Sweetwater knows that you take your choice in strings very seriously, so make the most out of your next restringing and choose Martin acoustic guitar strings.

Martin Authentic Lifespan 2.0 Treated Acoustic Guitar Strings Features:

  • Strings designed by C.F. Martin & Co. to provide superior tone for your acoustic guitar
  • Treated with Martin's proprietary formula for longer life and great tone
  • Highest-quality materials mean outstanding tone, response, and durability
  • Strings subjected to Martin's rigorous premarket testing to ensure consistency and quality
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Tech Specs

  • Guitar Type: 12-string Acoustic Guitar
  • Number of Strings: 12
  • Coated: Yes
  • Gauges: .010/.010, .014/.014, .023/.010, .030/.012, .039/.018, .047/.027
  • Core Material: Steel
  • Winding Material: 92/8 Phosphor Bronze
  • Winding Type: Round Wound
  • Manufacturer Part Number: 41Y18MA500T

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Customer Reviews

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Rated 5/5

Great strings for my D12-35

I love these strings. Not sure if the other reviewer is playing his guitar with sweating hands or just plain dirty hands,,,,, but I've never had a problem with them. I do wipe all of guitars down and treat the strings after every use so maybe that helps. I usually get 3 good solid months out of Martin's 2.0 treated line. Just my opinion though. Don't let one person with an unreasonable rating stop you from buying these strings, which by the way, do sound amazing on my 12 string guitar.
Music background: Daily player
Rated 1/5

Treated plain strings tarnish quickly like Martin's untreated strings

The new LifeSpan 2.0 treatment does not protect the plain steel strings from tarnishing under acidic fretting fingers. Attached photos show tarnishing that occurred after three hours of use. I had the exact same thing occur after using a set of Martin's untreated strings. Martin's previous MSP7600 LifeSpan strings would not tarnish after playing them over a month. And Elixir's anti-rust plain strings would last me at least four months with no tarnishing.
Music background: Experienced guitarist, bassist, and sound engineer for houses of worship
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