Martin 13-56 Marquis 80/20 Medium (ne M1200)

The Martin 13-56 Marquis 80/20 Medium (formerly known as M1200) is a set of acoustic guitar strings designed for medium gauge players. The strings are made with an 80/20 bronze alloy wrap wire, which provides a bright and balanced tone. The gauges for the individual strings are as follows:

• 013
• 017
• 026
• 035
• 045
• 056

The Marquis line of strings from Martin is known for their warm, bright, and balanced tone, as well as their long lifespan. They are also designed to be comfortable to play, with a smooth feel under the fingers.