Martin Authentic Acoustic SP strings are designed for discerning guitarists seeking peak performance from their instrument. Built from premium, tin-plated steel cores and 80/20 bronze windings, these strings deliver robust, balanced tone with outstanding clarity and projection. Martin's impeccable quality standards are embedded in their string design and manufacturing process, resulting in a string set that is as beautiful to hear as it is to play. You can get them here and in-store at Guitar Center.

Superior Materials for Superior Tone

At the heart of Martin Authentic Acoustic SP strings are tin-plated steel cores and high-tensile 80/20 bronze windings. This combination produces full-bodied tone with shimmering highs, rich midrange and tight, focused low end. The tin plating also provides extra corrosion resistance for longer string life and consistent performance over time.

Rigorous Testing for Consistent Quality

Martin Authentic Acoustic SP strings are subjected to extensive pre-market testing to ensure they meet the company's high standards for acoustic tone and playability. This rigorous quality control process results in a string set that delivers the same full, balanced tone and comfortable feel set after set. You can rely on the consistent performance of Martin Authentic Acoustic SP strings.

Quicker Response and Tuning Stability

The premium materials in Martin Authentic Acoustic SP strings also provide benefits like a fast, responsive feel and rock-solid intonation. These strings settle in quickly after installation and hold their tune superbly during performances, practice sessions and day-to-day playing. Their tuning stability gives you one less thing to worry about so you can focus on your music.

Versatile and Accessible

With a light gauge ranging from 10 to 47, Martin Authentic Acoustic SP strings are suitable for a wide range of playing styles and acoustic guitars. Their balance of full tone and comfortable feel appeals to developing and professional guitarists alike. No matter your skill level, these strings will bring out the best in your acoustic instrument.