Martin FX MFX650 Bronze 13-56 MEDIUM


Martin FX Flexible Core acoustic guitar strings have a thinner core wire with zinc flashing. This delivers greater player control with sharp attack, increased flexibility and improved harmonic sustain.


Martin 80/20 Bronze is an alloy comprised of 80% copper and 20% zinc. 80/20 bronze strings provide a very brilliant tone when they are initially put on the guitar and mellow over time.

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