Martin Guitar Original Acoustic M150 (80/20 Bronze) – Medium Gauge Guitar Strings

Martin Acoustic Strings deliver the unmatched quality, craftsmanship, and tone that players have trusted for generations. The Martin M150 set offers bold, balanced sound with powerful projection—perfect for musicians who want rich lows, crisp highs, and dependable performance every time they pick up their guitar.

Crafted from high-quality 80/20 bronze, the M150s provide a bright, expressive tone that opens up beautifully as they break in. These strings offer exceptional tuning stability and durability, making them ideal for daily practice, songwriting sessions, recording, and live performances. Whether you’re strumming hard, flatpicking, or playing expressive lead lines, these strings respond with clarity and strength.

With a long history rooted in Martin’s 190+ years of instrument-making excellence, the M150 set remains one of the brand’s most beloved string choices—reliable, great-sounding, and built to withstand hours of playing.

Designed to bring out your guitar’s natural voice, these medium-gauge strings are versatile enough for rock, country, Americana, bluegrass, worship, folk, and more. Their increased tension adds fullness and volume while still staying comfortable for most players.

String Gauges (Medium – M150):

• High E: .013

• B: .017

• G: .026

• D: .035

• A: .045

• Low E: .056

This set delivers a total tension of approximately 190–200 lbs, helping you achieve a strong, resonant tone with excellent sustain.

Since 1833, Martin has been the choice of working musicians across all genres. The Martin M150 Medium 80/20 Bronze Strings offer authentic Martin tone you can trust—no imitations, no shortcuts. Experience your guitar’s true potential with this professional-grade string pack.