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Ibanez nut replacement with Just A Nut III

Alberto Androni

Alberto Androni

Jul 31, 2019
7
4
33
Romania-Craiova
#1
So i have two ibanez basses that require nut replacement because i decided i will play with lighter strings. I could not find anywhere the right nut replacement for my btb675 and my sr805. I used the ibanez parts catalog available online to find out the right measures and for the btb675 i would need a ( W47 T6 H8.48, R400, Tusq BT-1447-00) and for my sr805 i would need a nut that has these measures (W45 T6, R305). The reason for this replacemtn is the buzz the strings produce since the nut is too loose. You might say i can do an easy fix with baking powder or some glue to fix the nut but i really want to change them. I was looking at the Just A Nut III made by Warwick. They have the parts i need but might vary a bit in height . i will post a link :

https://shop.warwick.de/en/parts-fo...t-a-nut-iii-5-string-45-mm-width-tedur?c=3531

https://shop.warwick.de/en/parts-fo...t-a-nut-iii-5-string-47-mm-width-tedur?c=3531

It really frustrates me that Ibanez does not provide better replacements for its instruments. Let me know what you think :)
 
#3
Well i doubled checked the string height and it's 2.50 mm low B side and 2.00mm on the G. There is enough relief and i also checked the tuners in case there was something loose. I do think its mainly because of the nut and i wanted to know if the change i mentioned above could work. The string change was made from 135 /105/85/65/45 to 130/100/80/60/40. Thank you for taking the time in replying back.
 
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#4
Alberto Androni said:
Well i doubled checked the string height and it's 2.50 mm low B side and 2.00mm on the G. There is enough relief and i also checked the tuners in case there was something loose. I do think its mainly because of the nut and i wanted to know if the change i mentioned above could work. The string change was made from 135 /105/85/65/45 to 130/100/80/60/40. Thank you for taking the time in replying back.
Click to expand...

Could be but not for the reasons you think. If your fret any string at the third, is there any gap (per spec .003-.005") between the string and 1st fret? How many downward wraps on the tuner post? Did you set your witness points at the tuner post, nut, and bridge? That's just for starters.

IME, the gauge change should be of no consequence at the nut. OTOH, I would expect the relief to change so a truss rod tweak may be in order if you haven't done so already.

Riis
 
#5
Most nuts can be bought as universal blanks is probably why you are struggling to find the piece. You could choose whatever material you wanted.

If the neck width matches the nut width, I can't see why it wouldn't work.

I agree that I am suspicious that it isn't the nut.

Good luck.
 
#9
As promised here are some pictures with the bass
103960482_1203586586663153_3098154769588973479_n.jpg
102323749_2674197216240685_6152130380293272367_n.jpg
103855327_1048629158867699_3975051370118114119_n.jpg
104101538_2691686147773345_93131235674022059_n.jpg
 
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#10
I realize that you want to use lighter strings, but you do not need to replace the nut. The strings will still be at the same height. It's the bottom of the string to the top of the first fret that's the critical distance, and unless you filed the slots lower, they will still be at the right height after the string change. The chance of chatter in the nut slot is minimal to none because the bass has an angled headstock and that will pull the strings to the bottom of the slot with good downforce.

There's another reason I wouldn't replace the nut with a Just a Nut but I won't go into it here because it is likely to cause an argument. Suffice to say I'm not a fan.

I think you are just making needless work for yourself.
 
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#12
Alberto Androni said:
As promised here are some pictures with the bass View attachment 3862992 View attachment 3862994 View attachment 3862998 View attachment 3863001
Click to expand...

A few things...

*No, never lived there myself and my parents have passed. Dad was a chemical (rubber) engineer and was there to help with a fledgling tire re-tread industry. Problem: the economy was particularly bad and the Romanians were wearing-out tires beyond the point of viability.

*Re-string the G...wrong side of the post.

*Ideally, the strings should be hitting the bottom of the post which results in a nominal break angle over the nut. I hate the hourglass posts. Any way you can loosen the coils and slide them down?

*Set your witness points if you haven't done so already....important.

*The bridge saddles should be even with / parallel with the base plate. Do not attempt to tilt to meet the fingerboard radius.

*Since your overall string tension decreased, you may need to add relief / relax the truss rod a bit.

Riis
 
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#13
Zooberwerx said:
*Ideally, the strings should be hitting the bottom of the post which results in a nominal break angle over the nut. I hate the hourglass posts. Any way you can loosen the coils and slide them down?
Click to expand...

I wouldn't worry too much about that with a tilt-back headstock.

Zooberwerx said:
*The bridge saddles should be even with / parallel with the base plate. Do not attempt to tilt to meet the fingerboard radius.
Click to expand...

I believe there is just the one set screw per saddle to adjust height.
 
#15
Abner said:
I wouldn't worry too much about that with a tilt-back headstock.



I believe there is just the one set screw per saddle to adjust height.
Click to expand...

From the 1st photo, the A string break looks a little shallow even with the tilt-back.

I stand corrected on the bridge saddles! This would make more sense if the saddles butted-up against one another via a side-mounted locking screw a la G&L.

Riis
 
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#16
Alberto Androni said:
"The bridge saddles should be even with / parallel with the base plate. Do not attempt to tilt to meet the fingerboard radius".

This I don't understand. Should I reset the saddles to an equal lenth and height for all of them?
Click to expand...

No, you're fine provided intonation is spot-on and string height is set to your preference. IOW, don't mess...my less-than-keen eyesight failed to disclose the single height adjustment screw for each saddle.

Riis
 
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