Martin Era Treated Acoustic Guitar Strings Medium MP550T - .013 - .056 guitar strings photographed at Interstellar Guitars in San Antonio, TX
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Martin

Martin Era Treated Acoustic Guitar Strings Medium MP550T - .013 - .056

$17.99

Charted as the pinnacle of Martin's phosphor bronze fleet. Era™ strings dock the best tech in the Martin lineup: patented Lifespan® treatment to fend off corrosion, Flexible Core construction for effortless fretability, and silk-wrapped ball ends — a premium nod to Martin's handcrafted heritage and a friendly fit for vintage instruments. The Artist Light variant, developed with six-time GRAMMY® winner Jason Isbell, swaps in a traditional SP® core to lock in his signature acoustic voice. A new orbit for what phosphor bronze can be.

Gauge: Medium .013-.017-.026-.035-.045-.056

Tension: 190.40

Model: MP550T

It's not rocket science... but then again, chasing the perfect tone kind of is. Buying gear online should feel clear, secure, and exciting. That’s why we provide real photos, careful inspections, reliable shipping, and support from our San Antonio guitar shop.

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Visit Interstellar Guitars:

13111 Lookout Ridge #2

San Antonio, Texas 78223

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