Martin 3 Pack MA150PK3 SP 80/20 Bronze Authentic Acoustic Guitar Strings Medium 13-56

Martin® Authentic Acoustic® Superior Performance SP® strings are engineered for musicians who expect exceptional tone, reliable tuning stability, and consistent performance. Featuring higher tensile strength and tin-plated core wire on all six strings, they deliver a fuller, more balanced sound with quicker response—perfect for expressive playing and demanding live or studio sessions. Wrapped in classic 80/20 Bronze, these strings produce a bright, clear acoustic tone with excellent projection. Crafted to Martin’s uncompromising standards, they ensure your guitar always sounds its best.

Features

• Higher tensile strength for a fuller, balanced tone
• Tin-plated core wire on all six strings for enhanced tuning stability
• Quick response for dynamic, expressive playing
• 80/20 Bronze wrap delivers bright, clear acoustic tone with strong projection
• Precision manufacturing for reliable, consistent quality

Specifications

General
- Model: MA150
- Series: Authentic Acoustic® Superior Performance SP®
- Wrap Material: 80/20 Bronze
- Core: Tin-plated on all six strings
- Corrosion Resistance: Enhanced tuning stability

Gauge (Medium)
- E (1st): .013
- B (2nd): .017
- G (3rd): .026
- D (4th): .035
- A (5th): .045
- E (6th): .056

Other
- Tension (Full Set): 189.6
- Sound Profile: Bright, clear tone with excellent projection
- Longevity: Built for reliable, consistent performance
- Suitable for: Acoustic guitar players seeking professional-quality tone, stability, and responsiveness