MARTIN STRINGS MM13 Medium Gauge

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MM13 Retro Acoustic Guitar Strings, Monel — Medium .013-.056

Martin Retro Strings

The Materials
Core Wire: Tin-plated hex core
Wrap Wire: Solid Nickel/Copper Alloy Blend (NOT Nickel-plated)

The Gauging
Martin offers modified gauging on the B, D, and A strings for modern playability. The modified gauging makes the string easier to play with a more balanced feel and clear intonation.

The Process
Martin employs a sophisticated winding process in the making of their Retro String line. This process controls the coupling between the core and wrap wire to maximize intonation. This process takes their traditional Monel string, which was innovated in the 1930s, and perfects it with modern technology.

The Core
Martin uses tin-plated steel hex core wire for their Retro Strings. The tin-plating helps prevent galvanic corrosion - the natural corrosion that happens when the core wire comes in contact with the wrap wire. The combination of tin-plated hex core wire and solid nickel alloy wrap wire provides for a long-lasting string from the inside out.

The Wrap
Martin’s proprietary SOLID Nickel/Copper alloy blend provides for a reduced pick attack which allows the guitar’s tone woods to be heard, not overshadowed. It offers a uniquely mellow, yet crisp, sound. Martin’s wrap is a solid Nickel/Copper blend, not nickel-plated, meaning there is no chance for defects in the plating to allow for corrosion. Instead, Martin’s proprietary wrap wire is naturally corrosion resistant, so much so that it has been used in various marine applications, including use in the propeller of Dreadnaught battleships. It is also incredibly strong, even stronger than pure nickel, and has been used in machinery and tooling applications.

The Real Deal
Martin Retros are the real deal. Not an imitation. With Martin Retros, you get one tough set of strings that will last a long time and give you true, consistent tone that sounds like nothing else on the market. 

Gauge E B G D A E Tension Model








Medium .013 .017 .026 .035 .045 .056 190.9 MM13










 

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