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  • Thomastik-Infeld Jazz Nickel Flatwound 33-136 6-String Bass Guitar Strings, Long Scale [JF346]

Thomastik-Infeld Jazz Nickel Flatwound 33-136 6-String Bass Guitar Strings, Long Scale [JF346]

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Set gauges
33w, 43w, 56w, 70w, 100w, 136w
Wrap material
Nickel-Plated Steel
Flat Wound
Core shape
Round Core
Scale length
Long Scale (Standard)
Ball to taper length
36.5” (930mm)
Total length
48” (1220mm)
Silk type
Red Silk at ball end and tail end of the string
Number of strings
6 string

**PLEASE NOTE** These strings measure 37.5" / 95cm from the ball end to the start of the silk winding. These strings have Red Silk at both ends of the string.

Unsure what scale length string you need?  Click here!


  • Thomastik JF346 Jazz Flatwound 33-136 6-String
  • 33, 43, 56, 70, 100, 136.


**PLEASE NOTE** The image above has been used for visual purposes only.  The actual set gauge and scale length is listed below.

Smooth, Warm, Balanced the E-Bass Jazz Series are strings with extended durability and high output. A highly flexible steel core gives the string a balanced feeling and a special character. The overall sound characteristics can be described as very close to the double bass.

Gauge JF346 - 33, 43, 56, 70, 100, 136.

**Scale Length** Ball end to start of silk - 94cm/37"

Made in Austria

Are these strings the correct length for my bass?

We insist that players use the measurement of ball-end (anchor) to top nut of their current set of strings.  This measurement is more accurate than scale length as it takes into account through-body stringing, and more complex or alternative bridges.  In many cases the set of strings required will be longer than the bass’s stated scale length!  Use these references:

If ball-end-to-nut length is:

Up to 32” choose Short Scale

32”-34” choose Medium Scale

34”-36” choose Long Scale

36”-38” choose Extra/Super Long Scale

If you have a bass where you cannot see the ball-end i.e. a thru-body bass, you will have to measure your string once it has been removed. Before removing the string be sure to make a mark on the string with a permanent marker just behind the nut so you know where to measure to. Then once you’ve taken it off the bass, you can measure from the ball-end to the mark you made on the string.

Re: Delivery. All orders placed on weekdays before 3:45pm will be despatched that same day.  All of our delivery options can be found at checkout or on our delivery page.

Re: Returns. We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, please contact us at info@stringsdirect.co.uk.

For further information visit our Returns & refunds page.

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