Designed to cope with demanding practices and schedules the Martin Authentic Acoustic SP 80/20 Bronze Medium 13-56 strings feature their highest tensile-strength core wire, and are tin-plated for enhanced corrosion resistance. These Acoustic SP strings provide players with good tuning stability as well as a true and consistent tone, throughout gigs.
Manufactured with 80% copper and 20% zinc, these acoustic guitar strings yield a bright and ringing tone. These Acoustic SP strings include gauge 13-17-26-35-45-56.
Martin Authentic Acoustic SP 80/20 Bronze Medium 13-56 Specifications:
- Gauges: 13-17-26-35-45-56
- Tension: 193.0