Martin Era Treated Acoustic Guitar Strings - .013-.056 Medium

These acoustic guitar strings will ship insured and inspected from Rapid City, SD.

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Step into a new era of acoustic tone with the Martin Era treated medium acoustic guitar strings, available at Haggerty’s Music. These .013–.056 gauge strings deliver a full, rich voice and dynamic response that makes every strum and pick feel alive under your fingers. Built with premium phosphor bronze and enhanced with Martin’s patented Lifespan corrosion protection, these strings are designed to resist the wear of sweat, dirt, and humidity so your tone stays vibrant and your set stays fresh longer. The Flexible Core construction brings a smooth, comfortable feel that reduces hand fatigue and makes playing more enjoyable across long practice sessions or live performances. Silk-wrapped ball ends add a touch of classic elegance while protecting vintage-style bridges and honoring Martin’s legacy of handcrafted excellence. Whether you’re chasing warm lows for rhythm work or sparkling highs for delicate fingerstyle passages, these strings respond with balanced clarity and enduring playability. Add them to your guitar at Haggerty’s Music and let your sonic story shine.

Features / Specs

• Type: Acoustic Guitar
• String Gauges:
  • E: .013
  • B: .017
  • G: .026
  • D: .035
  • A: .045
  • E: .056
• Tension: 190.40
• Number of Strings: 6
• Winding Material: Phosphor Bronze
• Winding Type: Round