This pack of medium-gauged Martin Strings MM13 Retro Acoustics are made from monel: a nickel and copper alloy that gives them a sweet and warm sound with a retro vibe and minimal attack.
This pack of medium-gauged Martin Strings MM13 Retro Acoustics are made from monel: a nickel and copper alloy that gives them a sweet and warm sound with a retro vibe and minimal attack.
