Martin X Series Custom Acoustic Guitar AS ISNotes Due to martin's way of gluing the fret board at the 14th fret creating a hump, this guitar's 11th 14th fret on the e and b strings are dead. Chicago winters also were of no help to the condition of this guitars action guitar has plinkiness on higher strings around the 9th fret this listing is being sold as is A Martin X Series Custom Acoustic Guitar AS IS in Very Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if