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MARTIN SP+ LONG LIFE STRINGS
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| Martin Acoustic Guitar Strings |
STRINGS BY INSTRUMENT |
| SP PLUS Long Life 80/20 Bronze |
STRINGS BY GAUGE |
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Light | 012 016 025w 032w 042w 054w | Martin MSP+3100 | ![]() |
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Medium | 013 017 026w 035w 045w 056w | Martin MSP+3200 | ![]() |
Martin Acoustic Guitar Strings
Our new Martin SP+ Extended Life Strings are specially coated offering a clear, rich, and long-lasting sound as well
as numerous benefits, including protection from moisture, salts, perspiration and other contaminants. In addition, the
new SP+ coating helps insulate the wrap wire to prevent corrosion between the core and the wrap wires. Martin uses
computerized equipment in a climate controlled environment to verify the high tensile strength of all incoming wire
prior to manufacture. The brass wrap is then carefully spun onto the core wire for the four wound strings of each set.
SP+ strings use the same special brass plated core wire that is incorporated in the innovative SP string, but the brass
wrap on the four wound strings is specially coated. With the coating, the surface of the string feels smoother and faster
for the player. SP+ strings are available in either 80/20 Bronze or 92/8 Phosphor Bronze in either light or medium gauge
SP+ Long Life 92/8 Phosphor Bronze

Light
012 016 025w 032w 042w 054w
Martin MSP+4100


Medium
013 017 026w 035w 045w 056w
Martin MSP+4200

![]() Originals |
![]() FX |
![]() Marquis |
![]() SP |
![]() SP Marquis |
![]() SP + |
![]() Eric Clapton |