Martin Strings MK13FX Flexible Core Luxe Nickel Cobalt Kovar Acoustic Guitar Strings Medium 13-56 dark-moss-burst Trim controls

Trim controls

The larger tubing reaches a height of 1

see-through styling

A dent-resistant grille protects the microphone element

at 50 ohms (country dependent)

Martin Strings MK13FX Flexible Core Luxe Nickel Cobalt Kovar Acoustic Guitar Strings Medium 13-56 dark-moss-burst Trim controlsLuxe by Martin Kovar Flexible Core Strings are where innovation and performance meet, for the player who knows exactly what they want from their acoustic guitar strings. Crafted with a lighter core wire wrapped in Kovar, a nickel cobalt alloy, these strings offer even more flexibility and playability while delivering crystal clear clarity and a tone so balanced it'll make your heart sing. They're made for the player who demands precision and power in