- Set of 6 acoustic guitar strings
- Copper alloy wrap wire with tin and phosphorous
- Highest tensile-strength core wire for consistent tone
- Tin-plating offers added corrosion resistance
Designed to cope with demanding practices and schedules. Martin Authentic Acoustic SP Phosphor Bronze 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 copper, tin and phosphorous, Phosphor Bronze strings yield a dark and slightly warmer tone that 80/20 strings. These Acoustic SP strings include gauge 12-16-25-32-42-54.
Features
- Set of 6 acoustic guitar strings
- Light gauge 12-54
- Metal wrap wire composition of copper, tin and phosphorous
- Tin plating offers added corrosion resistance
Specifications
- Gauges: 12-16-25-32-42-54
- Tension: 168.5

DADDARIO EZ900 85/15 BRONZE
DADDARIO PRELUDE J810 1/4M VIOLIN SET MEDIUM
DADDARIO EJ27
ERNIE BALL COATED SLINKY ELECTRIC 12-56
ERNIE BALL EARTHWOOD 12 STRING MEDIUM
DADDARIO EJ11 80/20 BRONZE
DADDARIO ACCESSORIES VARIGRIP PWVG01
ERNIE BALL 12 STRING EARTHWOOD PHOSPHOR BRONZE ACOUSTIC
DADDARIO EJ15 PHOSPHOR BRONZE
DADDARIO PRO-ARTE J56 4/4M VIOLA SET MEDIUM
DADDARIO EXL170-5
ERNIE BALL EXTRA SLINKY BASS 40-95
AUGUSTINE 650467 CLASSIC RED IMPERIAL MEDIUM TENSION
DADDARIO EJ78 MANDOCELLO PHOSPHOR BRONZE 22-74
DADDARIO EPN120 PURE NICKEL
ERNIE BALL NYLON CLEAR/SILVER
DADDARIO EJ10 80/20 BRONZE 