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Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings

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Jazz Bass Strings from Thomastik-Infeld offer you extended durability and high output. A highly flexible steel core gives these bass strings a balanc...Click To Read More About This Product

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Smooth, warm, and balanced.

Jazz Bass Strings from Thomastik-Infeld offer you extended durability and high output. A highly flexible steel core gives these bass strings a balanced feeling and special character. The overall sound characteristics can be described as very close to the double bass. Nickel flatwound with a round core. 34" scale.
Gauges: .043 - .056 - .070 - .100.


Order today. You'll love the sound of Thomastik-Infeld JF344 Jazz Flatwounds.

Reviews
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Review Snapshot

by PowerReviews
ThomastikJF344 Flatwound Long Scale 4-String Jazz Bass Strings
 
4.8

(based on 43 reviews)

Ratings Distribution

  • 5 Stars

     

    (39)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (0)

91%

of respondents would recommend this to a friend.

Pros

  • Good tone (19)
  • Consistent (17)
  • Long life (14)
  • Well built / quality (10)

Cons

No Cons

Best Uses

  • Concerts (12)
  • Practicing (10)
  • Back-up (3)
    • Reviewer Profile:
    • Experienced (15), Professional musician (7)

Most Liked Positive Review

 

Most Amazing Strings on the Market

I have been endorsed by a few different string makers throughout my career. I will be honest with you, none of them have made me feel compelled share my experience publically. I am...Read complete review

I have been endorsed by a few different string makers throughout my career. I will be honest with you, none of them have made me feel compelled share my experience publically. I am not endorsed by Thomastik-Infeld, but put them on my Fender Jazz upon recommendation from a friend and fellow session player.

Simply put, these are very high quality strings at a very steep price. However, they are worth every cent. These are far and away the most musical bass string I've ever heard (flat or round). I've used both rounds and flats over the last 15 years, most flats sound dull after they break in and most rounds produce too many overtones to let the note fundamental shine through.

TI JF344's are a perfect balance even after broken in and they allow my beloved jazz bass to sing without having it's voice altered by string dynamics.

VS

Most Liked Negative Review

 

Characteristics close to the double bass

Before you buy these strings read the description "characteristics close to the double bass" that is the most accurate description of the sound and feel of these strings, if that's what...Read complete review

Before you buy these strings read the description "characteristics close to the double bass" that is the most accurate description of the sound and feel of these strings, if that's what you want, there you go. But I don't believe the reviews are giving an accurate description. First they are very floppy the Low tension does not respond well to any aggressive finger style play, I found that I was chasing the string like a rubber band trying to pluck it and when fretting the strings they like to roll, I could easily roll the string completely off the fretboard. And the sound was that of a "double bass" very vanilla sounding no tonal extremes at all they definitely put the flat in flat wound. I guess the ultra Low tension can be an advantage I found it to be a liability. Just remember "characteristics close to the double bass" just like they a described by the manufacturer.

Reviewed by 43 customers

Displaying reviews 1-20

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(12 of 12 customers found this review helpful)

 
5.0

Most Amazing Strings on the Market

By Bockscar

from Everywhere by Bus

About Me Professional Musician

See all my reviews

Pros

  • Consistent
  • Good Tone
  • Long Life

Cons

    Best Uses

    • Concerts
    • Practicing

    Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

    I have been endorsed by a few different string makers throughout my career. I will be honest with you, none of them have made me feel compelled share my experience publically. I am not endorsed by Thomastik-Infeld, but put them on my Fender Jazz upon recommendation from a friend and fellow session player.

    Simply put, these are very high quality strings at a very steep price. However, they are worth every cent. These are far and away the most musical bass string I've ever heard (flat or round). I've used both rounds and flats over the last 15 years, most flats sound dull after they break in and most rounds produce too many overtones to let the note fundamental shine through.

    TI JF344's are a perfect balance even after broken in and they allow my beloved jazz bass to sing without having it's voice altered by string dynamics.

    (8 of 8 customers found this review helpful)

     
    5.0

    Your search is over!

    By Rick Welch

    from Central Illinois

    Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

    Incredible note definition for flatwounds.
    Long lasting "new string" sound. I keep them clean with fast fret string cleaner after every gig. I cannot wear these strings out after months of constant (every weekend + daily practicing) playing.
    Easy note bending without going out of tune.
    Holds tune after playing for just a few minutes when first installed.
    Lighter Jazz gauges allow for cleaner sound that can be beefed up with a little EQ for songs that need heavier bottom end.
    They are flat wound and sound like it so don't buy them if you're a round wound fan however these strings can make you a convert.
    I put these strings on my '06 P Bass Special a year ago. I had to adjust the neck (and everything that goes with it) because these strings have less tension than the stock Fender strings. I was amazed how close you can run these strings to the neck. My playing improved in part because I needed less finger pressure for fast fret work.
    I learned on and played crappy basses until I bought the P bass so I have a heavy hand. With these strings I had to learn how to "lighten" up my playing style. These strings improve the quality of your bass, last forever, and remain like new. Put them in your shopping cart and don't look back.
    Easy on the fingers, easy on the fretboard and easy on the neck.
    Very durable, holds up to sweat (I played a gig in 100 degree heat and had sweat pouring off the guitar and fretboard. These strings kept going strong.
    You get what you pay for. You'll go through several sets of round wounds because they will always go dull. Thomastik JF344 flat wounds hold their brightness forever (if kept clean)

    (5 of 11 customers found this review helpful)

     
    2.0

    Characteristics close to the double bass

    By .88bass

    from Wisconsin

    About Me Experienced

    See all my reviews

    Ask me a question

    Pros

    • Consistent

    Cons

    • Floppy
    • Vanilla Sounding

    Best Uses

    • Recording

    Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

    Before you buy these strings read the description "characteristics close to the double bass" that is the most accurate description of the sound and feel of these strings, if that's what you want, there you go. But I don't believe the reviews are giving an accurate description. First they are very floppy the Low tension does not respond well to any aggressive finger style play, I found that I was chasing the string like a rubber band trying to pluck it and when fretting the strings they like to roll, I could easily roll the string completely off the fretboard. And the sound was that of a "double bass" very vanilla sounding no tonal extremes at all they definitely put the flat in flat wound. I guess the ultra Low tension can be an advantage I found it to be a liability. Just remember "characteristics close to the double bass" just like they a described by the manufacturer.

    (4 of 4 customers found this review helpful)

     
    5.0

    unlike the rest

    By Roggbass

    from Corsicana , Texas

    About Me Experienced

    See all my reviews

    Ask me a question

    Verified Reviewer

    Pros

    • Good Tone
    • Long Life

    Cons

      Best Uses

      • Concerts
      • Practicing

      Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

      Recently bought a set for my Squier vintage modified jazz bass. Unlike any other flat these have a middy tone that cuts through and just gets better the more they wear. I bought a set 5 years ago that I had on my Fender Precision but wound up putting on my Danelectro Longhorn and have been there ever since. I like these because they make bass sound like bass you can hear fundamentaly while you play and theyre smooth with no screechyness or finger noise. If you like high tension thick strings you wont like these because theyre just the opposite. Makes for less fatigue on the hands and fingers and playin all night is a breeze. Probably not the best choice for pop and slap but actually thats easier for me with these because theyre just easier to play. They cost more but because they last so long theyre a very good value.If youre unsure about buying these my advice is find a buddy who has them on a bass and I think youll see they are unlike any other string in a good way.

      (3 of 3 customers found this review helpful)

       
      4.0

      Finally tried these because........

      By Music rules

      from Working

      About Me Professional Musician

      See all my reviews

      Ask me a question

      Pros

      • Low Tension

      Cons

      • Expensive

      Best Uses

        Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

        Well I heard a lot of hype on these strings for year's but didn't want to pay the $$ on them. The only reason I decided to try them on a Bass that has a truss rod issue.

        You see I have a newer Fender Jazz Bass Deluxe that while the truss rod works, its adjustment range is off. When I put on normal tension strings I get too much of a bow and the truss rod can't be tighten anymore. So before I was going to have it fixed I thought I would try these low tension flatwounds. YES it did work so that saved me from getting a repair on the neck.

        The jury is still out on the tone for me yet. These strings are definitely useable. I love flatwounds for "that close to" upright Bass sound and use them on almost all of my Basses. But my favorite strings are D'Addorio Black Nylon Flats for thumping tone. Unfortunately the tension was too high for my Problematic Bass.

        The Thomastik strings maybe the magical tone string for some people but not me, well yet. But I'm grateful they saved my Bass. I really don't think they are worth the extra money for purely tone reasons only.

        (3 of 3 customers found this review helpful)

         
        5.0

        Simply the Best!

        By inthebassclef

        from Virgina

        About Me Professional Musician

        See all my reviews

        Pros

        • Consistent
        • Good Tone
        • Long Life
        • Strong

        Cons

        • None

        Best Uses

          Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

          Simply put there is no better set of flats out there. These strings are the best strings flat, round, or anything in between that I have even used. They are even sounding along the whole string, intonation perfectly throughout, and are very easy to play. Unlike most flats these strings do not have high tension at all. They are just right and give you that really thumpy sound when you roll off the tone and are really crisp sounding when you roll the tone up. I have used these srings for years. In fact one set lasts on average 5 years. So they are costly up front but more than pay for themselves over time. In fact as they get older they sound better because they wear in and they get really full in their sound. If you are thinking about these string don't even heaitate. You wont ever find another string that comes close.

          (3 of 3 customers found this review helpful)

           
          5.0

          Thomastic JF344 Flatwound

          By Bassbob42

          from Littleton CO

          About Me Experienced

          Pros

          • Consistent
          • Good Tone
          • Long Life
          • Strong

          Cons

            Best Uses

              Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

              I put a set of these on my 2012 Fender American Standard Jazz bass, and these babies are smooth, and sing real nice. Very clean and distinct sound, and very playable. They feel nice on the fingers. I took off the stock strings and put these one and am very pleased. 4 times the performance at twice the price. You get what you pay for. Carol Kaye recommended these Signed, a round wound convert.

              (3 of 3 customers found this review helpful)

               
              5.0

              JF344 Flatwound Long Scale 4-String Jazz Bass Strings

              By ns

              from nashville

              See all my reviews

              Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

              Highly recommended, regardless of style, these babies do it all. I play a MIM Jazz Bass with DiMarzio hum cancelling pups into an Aguilat Tone Hammer DI
              my bands said they sound smoother than my round wound, they are much easier to play, more slinky and have a velvet growl that I love
              a little bit expensive, but I am taking a chance on the value and longevity of these

              (2 of 2 customers found this review helpful)

               
              5.0

              Note for note, the best choice.

              By MrT.

              from Austin, TX

              About Me Professional Musician

              Pros

              • Consistent
              • Good Tone
              • Long Life
              • Strong

              Cons

                Best Uses

                • Concerts
                • Practicing

                Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                If you are looking for feel, touch, and expression, these are a great choice. Tones are even and ring on the E string somewhere in-between a round and a flat string. But these have no dead-ish thud notes (as opposed to other flats that have 7-10 good notes on the length of the string). Plenty of woody thump but they are articulate.

                No digging in or beating on these. You'll need to lighten your touch and sharpen your technique, but your style might could use some improvement. Mine did (and still does).

                They should charge more as they are a good value. In 7 years I've broken one of these strings.

                (2 of 6 customers found this review helpful)

                 
                2.0

                Adequate. Definitely not the best.

                By Jonas Kirov

                from Seattle, WA

                About Me Professional Musician

                Pros

                • Decent Tone

                Cons

                • Poor Feel
                • Unremarkable Tone

                Best Uses

                  Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                  These are decent, acceptable bass strings. I would buy them if my favorites were not available. They have a good but unremarkable sound. They are tough and durable and consistent.

                  However, the feel of the nickel wraps is very sticky under your fingers, and you have a less intuitive feel of the fingerboard. I left them on one of my practice basses because I had already spent the money, but I would never perform with them.

                  There are two alternatives I would recommend instead - if you want a modern, defined flatwound sound, get the La Bella Deep Talkin' tapewound strings. If you want a vintage sound with rapid decay, get the La Bella Original 1954 flatwound. They are cheaper, sound much better, and have a much, much better feel to the fingers. The nylon will also put much less wear on a fretless fingerboard.

                  (2 of 5 customers found this review helpful)

                   
                  5.0

                  Best there is!

                  By twangster

                  from Laurel, Mississippi

                  About Me Experienced

                  See all my reviews

                  Ask me a question

                  Verified Buyer

                  Pros

                  • Consistent
                  • Good Tone
                  • Long Life
                  • Strong

                  Cons

                    Best Uses

                    • Concerts
                    • Practicing

                    Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                    Best string there is by far!

                    (2 of 2 customers found this review helpful)

                     
                    5.0

                    Believe the hype

                    By HG

                    from PA

                    About Me Experienced

                    Verified Buyer

                    Pros

                    • Good Tone
                    • Long Life

                    Cons

                      Best Uses

                      • Concerts
                      • Practicing

                      Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                      Expensive but worthwhile investment for Fender basses. I had Fender-brand flats on my Precision and fretless Jazz basses and the tone was always "good enough" but these bring out the best in both basses.

                      (2 of 3 customers found this review helpful)

                       
                      5.0

                      Yup

                      By B

                      from Vancouver wa

                      About Me Experienced

                      Verified Buyer

                      Pros

                      • Good Tone

                      Cons

                        Best Uses

                        • Concerts

                        Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                        Tone for days, more sustain than rounds. These will test your guitar.

                        (2 of 2 customers found this review helpful)

                         
                        5.0

                        One of the Best Flats

                        By JacoTaco

                        from Cincinnati, OH

                        About Me Experienced

                        Verified Buyer

                        Pros

                        • Good Tone

                        Cons

                          Best Uses

                          • Concerts

                          Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                          I really like the sound and feel of these Thomastic flatwounds on my Yamaha fretless. People have been telling me about them for years, and so I decided to take the plunge and buy a set. They are more expensive than I usually pay for strings but, hopefully, the price will be worth it in the long run.

                          (2 of 2 customers found this review helpful)

                           
                          5.0

                          standup bass sound or guitar-bass sound?

                          By Birdman

                          from santa cruz, CA

                          See all my reviews

                          Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                          i play a fretless warwick for r n' b & rock. i don't play jazz. the most notable difference in the sound of these flats & they do sound different compared to all others i've tried + these are very elastic. IMHO they give you the closest approximation you'll find to the sound of a standup bass. all others sound to me like an electrified bass Guitar w/a capital G. several do that sound very well, but for my money these are the sound & feel that i love. if you like high tension strings like rotos or brilliance in your highs, you won't like these. if you want a standup bass sound + if you like to bend-slap-slide on strings & don't want roundwound screetchies, you can't do better than T-I's!!

                          (2 of 2 customers found this review helpful)

                           
                          4.0

                          Why Can't TI Make Heavier Flats

                          By Nonc D'

                          from Lafayette, LA

                          Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                          Thomastik Flatwound Jazz Bass strings are the best sounding string, the timbre is incredible. Unfortunately, they are too light and impracticable for live road work. Come on, an A at .070? It has no bottom. Why can't they make an .080 like everyone else. Well, they get enough of my $$ on fiddle and Jazz flats, I guess. I wish I could buy heavy enough TI flats for bass!

                          (1 of 1 customers found this review helpful)

                           
                          5.0

                          Best flats I've ever used in 45 years of playing bass

                          By E.V.

                          from FL

                          About Me Experienced

                          See all my reviews

                          Verified Buyer

                          Pros

                          • Consistent
                          • Good Tone
                          • Long Life
                          • Strong

                          Cons

                            Best Uses

                            • Backup
                            • Concerts
                            • Practicing

                            Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                            I have a number of basses with different setups including flat and round wound strings.
                            These TI Jazz flats are the best flats I have ever played. I use a version of these on my upright as well.
                            They sound good and maintain their consistency for years, and even after they start going stale the sound is still excellent for a retro tone..(think James Jamerson or McCartney.) They are expensive by comparison to other quality flats, so I stock up whenever MF has a sale.

                            (1 of 1 customers found this review helpful)

                             
                            5.0

                            Best flat wounds in town

                            By Cyclops

                            from San Diego

                            About Me Novice

                            See all my reviews

                            Verified Buyer

                            Pros

                            • Consistent
                            • Good Tone
                            • Long Life
                            • Strong

                            Cons

                              Best Uses

                                Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                                Easily the best flat wounds you can buy. For those who enjoy super stiff and mellow flats, go with labella. If, however, you want to be able to get a sharper attack, you can't do better. Don't get me wrong, you absolutely can get mellow vintage tones with these strings using dynamics and finger attack, but you can also get a near round bright attack as well with dynamics. These strings will do exactly what you tell them to, which can be a good thing or bad thing, but if you've got a bit of technique, these strings will reward you with life you've never gotten out of a flat. They last for years so the price is worth it if you've found *your* bass. Only downside is they are thinner and looser than some flats out there, but if you can get beyond that, best string out there.

                                (1 of 1 customers found this review helpful)

                                 
                                5.0

                                Was skeptical but now I'm in love

                                By humabass

                                from nova

                                About Me Experienced

                                Pros

                                • Consistent
                                • Good Tone

                                Cons

                                  Best Uses

                                    Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                                    Been playing for 40 years. I've used just about every round,half,ground,tape,flat wound string. Many years ago I settled on DR Hibeams then Lowriders. Never found a flat I really liked. Chromes came the closest. Tried these and will never use anything else. Obviously, string preference is VERY subjective. The reason I like them is because my playing style is light gauge strings with low action. Most all flats feel too stiff for me. These feel great to me and sound amazing. Had a live gig recording at a major venue in DC with a blues band and my 68 Jazz bass. Couldn't believe how good my bass sounded from my Tecamp heads direct out into the board. Really an eye opener. I can see how they may not suit someone with a heavy touch but that's why we have choices.

                                    (1 of 1 customers found this review helpful)

                                     
                                    5.0

                                    Excellent tone and sustain.

                                    By Al

                                    from Chicago, IL

                                    About Me Experienced

                                    Verified Buyer

                                    Pros

                                    • Consistent
                                    • Good Tone

                                    Cons

                                      Best Uses

                                        Comments about Thomastik JF344 Flatwound Long Scale 4-String Jazz Bass Strings:

                                        These strings are well worth the money. The tone on the D and G string is excellent. Also they feel great to play.

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