Fresh 33+ Martin Mm12 Retro Monel Acoustic Guitar Strings...
Fresh 33+ Martin Mm12 Retro Monel Acoustic Guitar Strings.... limited in the '70s martin guitars stopped producing monel acoustic guitar strings. And the qualities of this unique alloy give the strings a soft touch that make bends and slides feel effortless. Martin's solid nickel/copper alloy blend provides a reduced pick attack that allows the guitar's tonewoods to be heard, not overshadowed. Martin's solid nickel/copper alloy blend provides a reduced pick attack that allows the guitar's tonewoods to be heard, not overshadowed.