Martin Phosphor Bronze Acoustic (13)

Martin Phosphor Bronze Acoustic Strings

M550 Medium

Martin Strings are high quality strings for daily use. Core and wrap wires must meet strict requirements in order to make the grade. Martin Strings are wound to precise specifications. Available in 80/20 Bronze and Phosphor Bronze.

String gauges: 

E .013

B .017

G .026

D .035

A .045

E .056