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Aquila Bass Ukulele Thundergut (only intended for the hollow body Kala U-Bass and Ashbory Bass Guitar), 68U

Aquila Bass Ukulele Thundergut (only intended for the hollow body Kala U-Bass and Ashbory Bass Guitar), 68U
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4 Reviews
75% (3)
25% (1)
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75% Recommend this product (3 of 4 responses)
For a DeArmond Ashbory Bass string replacement
January 8, 2022
Wasn't sure what to expect but after doing some checking these were this strings I found were recommended. They worked just like the original strings after getting them on. The sound is great and worked justice the originals. JustStrings was easy to do business with.
A difficult instrument to find strings for which JustStrings had covered, thankfully. The instructions are difficult to get right but since its a flexible string there isn't the same damage that occurs with metal strings if you start off wrong.
By Dan
Aquila Thundergut white
November 4, 2021
Just Strings was easy to do business with. I received my strings promptly. Pricing was good. The Aquila strings work well with my Kala Journeyman U bass.
By Robert R.
Central California
Perfect U-bass Strings
December 19, 2020
The Thundergut strings are perfect for my U Bass. My previous stings didnít pick up the notes lower then low G well on recordings. The Thunderguts have a higher tension and make every note solid. I didnít think my U bass could sound any better than it already did. But these strings are like adding HD to an already great sound. Iím extremely happy.
My U Bass sounds even better with the Thundergut strings; stronger and solid. If you don?t like white strings, it could be a con, but I think they?re cool.
By Aaron
Durable with great sound
May 26, 2016
These strings are durable, great sound and do not have to keep tuning every few minutes for days and don't break for no apparent reason as do other types of UBASS strings
Designed for Kala U Bass and Ashbory Bass only.


Nylgut is a completely different material than Nylon and needs a bit of extra care during installation because of its soft surface and different molecular structure.

First check that the string channels in the nut are rounded and have no sharp edges, especially the lower edges facing the fingerboard. Because the string approaches from a slightly downward angle, if that edge is sharp the string can hang up on it, create a burr and break. It needs to be just slightly radiused, and this procedure can be done with very fine sand paper and an old string, or a small round file. Some makers ignore this because Nylon strings are very hard and can withstand a poor set up. Sometimes bridge saddle edges on the tying side are sharp as well and should be radiused slightly with fine sandpaper.

It is good to help the strings over the nut by lifting them slightly right at the nut as you tune up. Plain Nylgut trebles stretch like crazy so you should also cinch the strings up tight on the barrels before winding. Be sure not to overlap wound strings on the tuning barrels. The preferred method is to put a set on an instrument in the evening, bring them just up to pitch, let them sit overnight, and finish tuning in the morning. This allows the molecules some time to adjust to being stretched. Give them a week or so to stretch in fully (less for ukulele strings) before passing any judgment on tone as it takes a while for them to develop their best sound.






1st G


2.42 mm

2nd D


3.22 mm

3rd A


4.10 mm

4th E


5.00 mm

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