
Martin Era MJI12T Treated Acoustic Guitar Strings, Artist Light, 12-54
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. The Artist Light version was developed in collaboration with six-time GRAMMY® winner Jason Isbell and features a more traditional SP® core to match his signature guitar sound.
Features:
- Gauges: .012, .016, .025, .032, .042, .054, Artist Light
- Phosphor Bronze
- Patented Lifespan® treatment
- Flexible Core construction
- Slk-wrapped ball ends
Original: $26.84
-65%$26.84
$9.39More Images


Martin Era MJI12T Treated Acoustic Guitar Strings, Artist Light, 12-54
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. The Artist Light version was developed in collaboration with six-time GRAMMY® winner Jason Isbell and features a more traditional SP® core to match his signature guitar sound.
Features:
- Gauges: .012, .016, .025, .032, .042, .054, Artist Light
- Phosphor Bronze
- Patented Lifespan® treatment
- Flexible Core construction
- Slk-wrapped ball ends
Product Information
Product Information
Shipping & Returns
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. The Artist Light version was developed in collaboration with six-time GRAMMY® winner Jason Isbell and features a more traditional SP® core to match his signature guitar sound.
Features:
- Gauges: .012, .016, .025, .032, .042, .054, Artist Light
- Phosphor Bronze
- Patented Lifespan® treatment
- Flexible Core construction
- Slk-wrapped ball ends




















