Martin MA540 SP Authentic Phosphor Bronze Acoustic Guitar Strings - 12-54

Martin® Authentic Acoustic® Superior Performance SP® strings feature higher tensile strength and tin-plated core wire on all six strings that enable a fuller and more balanced tone, quicker response and increased tuning stability. Our impeccable standards for acoustic guitar tone are embedded in our string design and precision manufacturing process. That's why we make our own.

• Martin Authentic SP Superior Performance Acoustic Guitar Strings
  
• Phosphor Bronze (92/8)
  
• Higher tensile strength and tin-plated core wire on all six strings
  
• Fuller and more balanced tone
  
• Quicker response
  
• Increased tuning stability
  
• Gauge: 12-16-25-32-42-54 (Light)