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MF MD HG 72 Hour Accesssory Sale 10-20-14

Thomastik JR344 Scale Roundwound 4-String Jazz Bass Strings  

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See All Thomastik Other Bass String Gauges

Smooth, warm, and balanced.

Jazz Series E-Bass Strings from Thomastik-Infeld are strings with extended durability and high output. A highly flexible steel core gives this bass string a balanced feeling and a special character. The overall sound can be described as very close to the double bass. Nickel roundwound with a round core. 34" scale.
Gauges: .043 - .051 - .068 - .089.

Try a set of Thomastik-Infeld Jazz Series E-Bass; we think you'll be impresed.

Customer Reviews

Review Snapshot®

by PowerReviews
ThomastikJR344 Scale Roundwound 4-String Jazz Bass Strings

(based on 2 reviews)

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Reviewed by 2 customers

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(1 of 1 customers found this review helpful)


Upright sound voiced for rock, soul, r&b

By Birdman

from santa cruz, CA

About Me Professional Musician


  • Good Tone
  • Long Life
  • Strong


    Best Uses

    • Concerts
    • Practicing

    Comments about Thomastik JR344 Scale Roundwound 4-String Jazz Bass Strings:

    I love T-I flats but wanted to try their rounds. I was hesitant to try this lite .089 guage, but my pre-Gibson Tobias never felt or sounded how I wanted it w/dr hi-beams or lo-riders or dm blue steel ss rounds or roto flats(too-high tension). I prefer 15" speakers & my bass always had incredible tone ability w/its 3 band equalizer & big bartolini. Shockingly, these .089's have lots of low bass & naturally have more cut-thru-the-mix ability than the T-I flats used on my fretted thumb or fretless corvette warwicks. this is now my favorite bass. similar to T-I flats w/a double bass distinctive sound as opposed to the more guitar like sound of other brands. an upright bass sound voiced for rock, pop & soul.

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    (1 of 1 customers found this review helpful)


    Best String I Have Played

    By sal4bass

    from MidWest

    Comments about Thomastik JR344 Scale Roundwound 4-String Jazz Bass Strings:

    The TI Jazz Rounds are a very unique string. They are my favorite string after 30+ years of playing. They are extra light gauge (.089 E string) with very low tension. Some have described them as "floppy" but I disagree with that assessment. I use them on a Fender Active Jazz Deluxe, '62RI Jazz, G&L L-2000, and Peavey Sarzo. They break-in quickly and last forever (over 2 years on my main bass). They have a warm, "woody" tone ideal for finger-style. This is achieved by a thin insulation around the string core which can give a very convincing acoustic tone on a Fender Jazz neck pickup. They are not a bright sounding string, yet have more definition than flats. Windings are very tight and feel silky smooth. Due to lack of bright highs, I wouldn't recommend them if slapping is your thing, though they can be slapped with adequate results. Think the exact opposite of DR Highbeams for comparison. Though rolled off in the highs, they still retain a rich full tone. This coupled with low tension makes them a joy to play and harmonic nuances can easily be coached from them. The only reason I did not score them perfect is because they lack brightness slappers prefer and they are expensive. Yet when one considers how long they last, they are a terrific value - highly recommended!

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