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Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings 

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Gauges: 12-16-25-32-42-54Martin SP Acoustic strings are designed with the performer in mind. Made with high-tensile strength core wire and finished w...Click To Read More About This Product

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OVERVIEW

Ideal for gigging musicians needing night-after-night consistent tone.

Gauges: 12-16-25-32-42-54

Martin SP Acoustic strings are designed with the performer in mind. Made with high-tensile strength core wire and finished with the highest-quality wrap wire, Martin's SP line of strings stands up to rigorous practice and performance schedules to deliver consistent true tone that you can count on song after song.

FEATURES
  • Bronze alloy for brilliance and long life
  • Great price

Your strings are the origin of your sound. Commit to quality. Order now.

Reviews
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Review Snapshot

by PowerReviews
MartinMSP4100 SP Phosphor Bronze Light Acoustic Strings
 
4.6

(based on 99 reviews)

Ratings Distribution

  • 5 Stars

     

    (73)

  • 4 Stars

     

    (15)

  • 3 Stars

     

    (7)

  • 2 Stars

     

    (3)

  • 1 Stars

     

    (1)

96%

of respondents would recommend this to a friend.

Pros

  • Good tone (40)
  • Consistent (31)
  • Well built / quality (22)
  • Long life (18)

Cons

No Cons

Best Uses

  • Practicing (35)
  • Concerts (24)
  • Back-up (22)
    • Reviewer Profile:
    • Experienced (39), Novice (6), Professional musician (5)

Most Liked Positive Review

 

Hunt is Over

I spent a lot of time hunting for the best strings. My criteria was based on tone first, then price, as I change my strings quite regularly. I have tried D'Addario EJs and...Read complete review

I spent a lot of time hunting for the best strings. My criteria was based on tone first, then price, as I change my strings quite regularly. I have tried D'Addario EJs and EXPs, Earnie Ball, Dean Markley(good strings),GHS, DR, Fender, Elixer, coated, non-coated, bronze and PHBs in most all brands,and I keep coming back to the Martin SP PhBs. These strings provide the best tone at an affordable price, and the strings have good longevity.

Some notes: -As noted in another review, if you do not play regularly, the high E and B strings may be a bit stiff at first. If this is the case, pick up your guitar and play more to build up your finger tips. -Holding tune; manually stretch strings, play, re-stretch, re-tune. If this does not work try changing cheap tuning machines or your guitar altogether, LOL. -Coated Strings; over-rated, and expensive. Coating a guitar string, really? The coating may help maintain the stings tone longer, but the tone you are getting is not the best to start with. Try change your strings regularity for best tone. -I have broken one of the wound strings (low A) up-tuning, and had trouble holding tune on the low E on one occasion, these are isolated incidence, quality control issues I assume. -Last thing; guitar strings are a bit personal. What strings you chose highly depends on your guitar and the sound YOU like.

Summary- I've tried all types of strings and have chosen the Martin SP phosphorus bronze for my acoustic guitars to give me the best tone at an affordable price. I have had 2 separate issues with the wound strings but not enough to change my mind when considering the great tone and longevity of these stings.

VS

Most Liked Negative Review

 

Beats Elixir

Whats not to like??
Very bright,crisp,even sound when you first put them on. Levels out to a nice warm tone after a couple of days, &...Read complete review

Whats not to like??
Very bright,crisp,even sound when you first put them on. Levels out to a nice warm tone after a couple of days, & stays true to that tone for a LONG time.
I have been an Elixir string fan for years. When I bought my new Martin, it had these Martin strings on it. The sound was wonderful! After about a week, I thought, just think how well it will sound with Elirs on it . I changed out the strings and imediately regretted it. The Martin guitar brought out the thin, tinty sound of the treble notes. I ordered some more Martin strings right away. When they came in, I put them on and the tinty sound dissappeared. I learned my lesson. Stick with the Martins!!
They last about half as long as Elixirs, but cost a third as much. Better deal all around.

Reviewed by 99 customers

Displaying reviews 1-20

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(7 of 8 customers found this review helpful)

 
4.0

Hunt is Over

By the Teleman

from Colorado Springs, Co

About Me Experienced

See all my reviews

Ask me a question

Pros

  • Feel
  • Great Tone
  • Long Life
  • Price
  • Strong

Cons

  • Quality Control

Best Uses

  • Chords
  • Flat Picking

Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

I spent a lot of time hunting for the best strings. My criteria was based on tone first, then price, as I change my strings quite regularly. I have tried D'Addario EJs and EXPs, Earnie Ball, Dean Markley(good strings),GHS, DR, Fender, Elixer, coated, non-coated, bronze and PHBs in most all brands,and I keep coming back to the Martin SP PhBs. These strings provide the best tone at an affordable price, and the strings have good longevity.

Some notes: -As noted in another review, if you do not play regularly, the high E and B strings may be a bit stiff at first. If this is the case, pick up your guitar and play more to build up your finger tips. -Holding tune; manually stretch strings, play, re-stretch, re-tune. If this does not work try changing cheap tuning machines or your guitar altogether, LOL. -Coated Strings; over-rated, and expensive. Coating a guitar string, really? The coating may help maintain the stings tone longer, but the tone you are getting is not the best to start with. Try change your strings regularity for best tone. -I have broken one of the wound strings (low A) up-tuning, and had trouble holding tune on the low E on one occasion, these are isolated incidence, quality control issues I assume. -Last thing; guitar strings are a bit personal. What strings you chose highly depends on your guitar and the sound YOU like.

Summary- I've tried all types of strings and have chosen the Martin SP phosphorus bronze for my acoustic guitars to give me the best tone at an affordable price. I have had 2 separate issues with the wound strings but not enough to change my mind when considering the great tone and longevity of these stings.

(5 of 5 customers found this review helpful)

 
5.0

a set better than elixirs for sure!

By Seth Day

from MArshfield, MO

See all my reviews

Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

Elixirs do not hold a candle to these strings. I played elixirs for a while like 2 years and paid way too much. These strings are cheaper by over 50% and are a MUCH better value. They hold their tone way better if you use a string lube (GHS Fast Fret!!!). I have heard that they are the strongest strings made in the whole guitar industry. I have NEVER broken one and when i was using elixirs, i would break a G every two weeks or three most. The Martins have never broken even with the custom lights and extra lights. I have detuned and re tuned over tuned and they always sound great, dont break and play better. They are better for beginners too because they are cheaper and will toughen up your fingers faster. Peace

(4 of 4 customers found this review helpful)

 
5.0

Thank You Martin for these AWESOME SP's

By Moondoggie999

from Livermore, Ca

About Me Experienced

See all my reviews

Ask me a question

Verified Buyer

Pros

  • Consistent
  • Good Tone
  • Inspiring Acoustic Tone
  • Lush Sound
  • Powerful Delivery
  • Robust Tone

Cons

    Best Uses

    • Rainsong Shorty

    Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

    I have been using these SP phosphor Bronze 12's for probably 10 years at this point. For the longest time I have been using them on my Martin DM (part of the Road Series they offered in the late 90's thru early 2000's) and they really have worked well for that guitar. I tried them on my Breedlove and hated them for that application, but for my Martin, they were perfect. So last summer I got a Rainsong Shorty which comes with Elixir Nano's which are fine strings and I'd been using them on other guitars and was used to the Elixir tone and feel but on the Rainsong, a carbon fiber guitar, the Elixirs didn't seem a great fit. So I started a quest for a good string match for the Shorty. After 9 different sets of various strings, these SP's were the clear winners by a long shot! The strings I compared were Elixir Nano 80/20, Elixir Nano PB's, Elixir Poly 80/20, D'Addario EXP PB's, Martin Retro Monel's, DR Black Beauties, Wyres and finally RotoSound Nexus.

    (4 of 4 customers found this review helpful)

     
    5.0

    The standard for me!

    By TX Picker

    from Fort Worth, TX

    About Me Experienced

    See all my reviews

    Verified Buyer

    Pros

    • Consistent
    • Good Tone

    Cons

      Best Uses

      • Backup
      • Concerts
      • Practicing
      • Recording

      Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

      I've made a living playing and singing most of my life. I tried just about every string made until these first came out. When I started playing the MSP4100 strings, I pretty much quit playing (or even trying) any other strings. They're bright, they have a lot of "presence" and, with my dry hands, they last longer than most. The only "negative" comment I've ever heard about them was from a guy who said he didn't like them because "You hear EVERYTHING and I'm not that good." Well, I don't think that's the string's problem. Why don't you just practice more? Isn't that the whole idea? Anyway, I highly recommend these strings - especially when you can always find them for under $6.00 a set.

      (4 of 4 customers found this review helpful)

       
      5.0

      Well-depends

      By voodoochile808

      from Honolulu, HI

      See all my reviews

      Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

      Don't get me wrong--these are definitely the best sounding strings I've used. However, they are not practical given my playing style and the climate I live in. I live in Kahuku, HI, which is close to the ocean. The salt and moisture in the air causes these to rust so much in one week that I need to rub the 1st and 2nd strings with steel wool to keep them playable. Also, since I play slack key and I change tunings a lot, they consistently break within 7 days of putting them on. If these aren't a problem because you don't live by the ocean or change tunings several times per sitting, these are the best strings you can buy. As for me, I prefer Adamas and Martin Clapton's Choice. They don't rust as quickly, they keep their tone as well, and while they don't sound as good, they still sound great (certainly much better than Elixirs).That being said, I would recommend these to anyone, as they are the best sounding strings I've used.

      (3 of 3 customers found this review helpful)

       
      5.0

      SWEET STRINGS

      By Whirlybird Top 40

      from Los Angeles, CA

      About Me Experienced

      See all my reviews

      Ask me a question

      Verified Buyer

      Pros

      • Consistent
      • Good Tone
      • Long Life
      • Strong

      Cons

        Best Uses

        • Backup
        • Concerts
        • Practicing

        Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

        Been using Martin strings for years. Always wipe them down after playing and they will treat you right.

        (3 of 3 customers found this review helpful)

         
        5.0

        The Best

        By doug swaninger

        from Ohio

        Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

        These strings are not only a value but sound great for months. The start off almost too bright, but really nice sounding. When the sound changes, like all strings do, they become perfect. They stay nice sounding for a long time. Sold!

        (3 of 3 customers found this review helpful)

         
        5.0

        Consistent quality

        By DC

        from Madison, AL

        See all my reviews

        Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

        I've been playing professionally for over 30 years, using many guitars and strings over the years. I can't make any claims that I've tried ALL flavors of strings within each manufacturer's line or "every sting out there", but trust me....I've tried a ton of them and have wasted too much money in the process. I'd always used D'Addario Phosphor Bronze on my 1970 Guild F-30R Paul Simon, but have switched guitars to a Martin OM16 in DADGAD tuning and went through the usual testing of different strings. BY FAR, the best sounding strings are the Martin MSP4100s. Great balance, consistency, tone, and longevity. They handle everything from light finger picking to hard strumming. The price is right and I buy at least 12 sets at a time and save even more money. It's amazing how long these things last. Out of 100s of sets, I've only gotten one "bad" set and Martin immediately replaced it, and sent me two extra sets. Can't beat that.

        (3 of 5 customers found this review helpful)

         
        5.0

        Best acoustic stings out there... period!

        By PerlmanLegend992

        from Brooklyn, NY

        See all my reviews

        Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

        If you are looking to brighten up the sound of your acoustic this is it!!! No matter what guitar you put these strings on even a poor cheap one they do the trick!!! It truly does make it sound like a Martin!!!

        (3 of 3 customers found this review helpful)

         
        5.0

        Awesome Strings

        By Valve King jam man from cali

        from Fairfield, CA

        See all my reviews

        Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

        I recently put these strings on my High-end Tacoma Acoustic/Electric DM-9. WOW!!! A friend of mine recommended them to me years ago, but until today, when I re-strung my guitar, I never put them on. I have been using my other strings for years (DeAdario) and I could not believe my ears. Even for light guage strings, they are totally the best strings i have ever used!!! I believe i have been converted. I shall use these ones from now on. Awesome strings. Beautiful warm acoustic tone for any type of music.

        (3 of 4 customers found this review helpful)

         
        5.0

        The Only Strings I use

        By CJ3-UVbhS

        from on tour

        See all my reviews

        Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

        These strings are great, if you think they'll make your crappy guitar sound better, they won't, not sure what everyone is talking about as far as improving the sound, but I guess if you play a POS maybe decent strings will help. HERE'S WHAT'S ACTUALLY GREAT ABOUT THEM: they don't break. elixers? snap. d'addario. snap, snap. IF YOU'RE AT ALL HEAVY HANDED OR HAVE PROBLEMS BREAKING STRINGS GET THESE.I tour 6 months out of the year, don't usually have time to write reviews, but I'm kind of high and bored right now....

        (2 of 2 customers found this review helpful)

         
        4.0

        Depends on your style

        By Part time Strummer

        from El Rio Ca.

        About Me Experienced

        See all my reviews

        Ask me a question

        Pros

        • Consistent
        • Good Tone
        • Strong

        Cons

        • Tone Is Very Deep

        Best Uses

        • Practicing

        Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

        Like everyone else, I'm looking for the perfect strings for me. I found these were too dark sounding. I prefer a little more brightness in my tone. I did give them a fair shake and used them for two weeks on my Yamaha FG730. But I will be going back to D'Addario EXP11's. Bottom line, these are very good strings but not for me.

        (2 of 2 customers found this review helpful)

         
        5.0

        Great strings

        By Barry

        from Smiths Grove

        About Me Experienced

        Pros

        • Good Tone

        Cons

          Best Uses

          • Backup
          • Concerts
          • Practicing

          Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

          Excellent strings for my guitar. They have great tone and play excellent. Very pleased. I will use nothing else on my guitar. Always a great price at Musician's Friend.

          (2 of 2 customers found this review helpful)

           
          5.0

          B MINOR SOUNDS GREAT! VERY NICE TONE

          By Josh

          from Portland

          About Me Experienced

          Verified Reviewer

          Pros

          • Bar Chords Are Easier
          • Bar Chords Sound Perfect
          • B Minor Sounds Amazing
          • Chords Sounds Deep
          • Consistent
          • Deep Rich Chords
          • Good Tone
          • Nice Sharp Tone
          • Strong

          Cons

            Best Uses

            • Concerts
            • Practicing

            Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

            I just changed strings from D Addario Phosphor. I know for sure B minor and all Bar chords are much easier with these Martin Sp's. All the chords sound perfect. amazingly sharp sounds. These do not feel stiff like some strings, but very sleek and comfortable. Sliding from chords is smooth. The sound alone is truly inspiring. Thanks Martin

            (2 of 3 customers found this review helpful)

             
            5.0

            Martin sp

            By john

            from undisclosed

            About Me Professional Musician

            See all my reviews

            Verified Buyer

            Pros

            • Good Tone

            Cons

              Best Uses

              • Practicing

              Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

              im a guitar luthier I used these strings every day

              (2 of 2 customers found this review helpful)

               
              5.0

              Excellent Product

              By Farmer Al

              from Burlington, NJ

              About Me Experienced

              See all my reviews

              Ask me a question

              Verified Buyer

              Pros

              • Consistent
              • Good Tone
              • Long Life
              • Strong

              Cons

                Best Uses

                • Backup
                • Concerts
                • Practicing

                Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

                These have become my favorite acoustic strings. I use these nearly exclusively. Very satisified with the tone and durability. Not overpriced either. I always keep a spare set in my case, though I've never broken a string with these yet. Give them a try if you're looking for a new set of strings for your acoustic.

                (2 of 2 customers found this review helpful)

                 
                5.0

                New life for an old box

                By Dan-O-CfA70

                from Utah

                See all my reviews

                Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

                I have these strings on a Guild CO-2 and am very happy with them. Out of curiosity I put them on an old Epi L-00 that I have never been happy with the tone- and they woke that old box up! I play every day, change strings at reasonable intervals. I couldn't be happier with the results. And my strings never rust.

                (2 of 2 customers found this review helpful)

                 
                5.0

                Great Sound - Good Value

                By Whitney

                from Taxifornia

                See all my reviews

                Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

                Great sounding strings for the money. (well balanced) Like any uncoated string, they can tarnish. Cleaning them with Fast Fret weekly eliminates any tarnishing and they last much longer. I think the sound is more pure than a coated string.(any strings will sound and perform well if they are properly installed, properly stretched and kept clean) For the money, these are some of the best. I buy them in quantity as they come standard on the guitars I build.

                (2 of 2 customers found this review helpful)

                 
                5.0

                I got blisters on my fingers!

                By Thelonius Skunk

                from michigan

                Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

                I've been playing guitar since 1977 and have used every brand of strings under the sun. That is, except for these Martin Acoustic strings. About a month or so ago a friend turned me onto these suckers. Why I've never tried them before, I don't know. Complacency, laziness, loyalty to my usual brand. Whatever. I will say this...my acoustic has never played easier or sounded better. These strings have a very unique, chunky, tight sound and feel. Not too tinny. Not too bright. Not too flat. Just...well...unique.

                (2 of 3 customers found this review helpful)

                 
                5.0

                SWEEEEEEEEEEEEET!!!!

                By Anonymous

                from Undisclosed

                Comments about Martin MSP4100 SP Phosphor Bronze Light Acoustic Strings:

                I've been using these strings for a few years now and i can almost always shake my head when someone else playes guitar. the strings give a nice clear evenly distributed sound. nuff said

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