
Martin Era MP550T Treated Acoustic Guitar Strings, Medium, 13-56
Built to achieve unmatched tone and playability, Martin Era™ strings set a new standard for what a phosphor bronze acoustic guitar string can be. Combining the best technologies from the Martin Strings lineup, Martin Era strings feature a patented Lifespan® treatment to protect against corrosion, Flexible Core construction to enhance fretability and comfort, and silk-wrapped ball ends—designed with vintage instruments in mind and as a premium touch that symbolises Martin’s handcrafted string-making history.
Features:
- Gauges: .013, .017, .026, .035, .045, .056, Medium
- Phosphor Bronze
- Patented Lifespan® treatment
- Flexible Core construction
- Slk-wrapped ball ends
Original: $26.84
-65%$26.84
$9.39More Images


Martin Era MP550T Treated Acoustic Guitar Strings, Medium, 13-56
Built to achieve unmatched tone and playability, Martin Era™ strings set a new standard for what a phosphor bronze acoustic guitar string can be. Combining the best technologies from the Martin Strings lineup, Martin Era strings feature a patented Lifespan® treatment to protect against corrosion, Flexible Core construction to enhance fretability and comfort, and silk-wrapped ball ends—designed with vintage instruments in mind and as a premium touch that symbolises Martin’s handcrafted string-making history.
Features:
- Gauges: .013, .017, .026, .035, .045, .056, Medium
- Phosphor Bronze
- Patented Lifespan® treatment
- Flexible Core construction
- Slk-wrapped ball ends
Product Information
Product Information
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Shipping & Returns
Description
Built to achieve unmatched tone and playability, Martin Era™ strings set a new standard for what a phosphor bronze acoustic guitar string can be. Combining the best technologies from the Martin Strings lineup, Martin Era strings feature a patented Lifespan® treatment to protect against corrosion, Flexible Core construction to enhance fretability and comfort, and silk-wrapped ball ends—designed with vintage instruments in mind and as a premium touch that symbolises Martin’s handcrafted string-making history.
Features:
- Gauges: .013, .017, .026, .035, .045, .056, Medium
- Phosphor Bronze
- Patented Lifespan® treatment
- Flexible Core construction
- Slk-wrapped ball ends




















