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Martin SP Lifespan Phosphor Bronze Treated Acoustic Guitar Strings - Baritone 14-70

Item# MAR_MSP7700
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$12.99List Price $39.99
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Item Description

Rich tone should last as long as the inspiration does. 

Martin SP Lifespan strings are the next level in studio performance. Treated for long life, they repel dirt, grit and other environmental elements that can quickly alter the sound of your strings. The treatment is so incredibly thin, you won't even know it's there. SP Lifespans are designed to last longer and sound better so you can play on! 

Martin SP Lifespan Baritone 14-70 Phosphor Bronze

SP Lifespan Baritone 14-70 Phosphor Bronze (41MSP7700): With the recent and upcoming launch of several new C. F. Martin baritone guitars, Martin has designed these strings to be comfortable in both the traditional B tuning and modern C tuning, delivering a new standard in tone. 

Baritone (MSP7700):  14, 20, 30, 42, 54, 70


Martin & Co. designs and manufactures the strings themselves. Like their guitars, each string is made with patience, care, and precision with only the highest quality materials producing strings with exacting tone and superior performance. Not only are their packaging materials minimized and 100% recyclable, but the envelopes reduce the tarnishing effect on the strings.

Not what your are looking for? Check out our full line of Martin Strings!


2 Reviews
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100% Recommend this product (2 of 2 responses)
By Tom Roberts
Tampa Bay
October 16, 2014
Good strings for a booming guitar
I have had the Martin Grand J-28 LSE acoustic since they came out.
It took awhile for Martin to introduce these 14-70s. Prior to that there were 2 or 3 good string companies that had similar but larger string size, such as a 16 rather then 14. They would work ok, but these 14-70s are just right for the Martin. They have a good long life and work in either the B or C tuning, .
ProsProper size for huge guitar. Work well with B or C tuning. Good price here for this specialty string set. The guitar comes pick up standard and these strings sound very good plugged in as well as normal acocustic playing
By Jorge
Yuma, AZ
June 28, 2014
Best baritone strings I've used...
These manage to produce a feel that is much more familiar than most baritone sets I've used. Also, the intonation and longevity were very good (which isn't always the case with massive gauges like these). I do change out the b string for a wound one because I like the balance better that way.
Prosfeel tuning stability intonation

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