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Acoustic tuningExpand / Collapse
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Posted 02/04/2008 19:51:26
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I have a Yamaha acoustic. When I tune it and play an open E chord it sounds perfectly in tune. However when I fret a D chord for example the B string sounds sharp. Any sugestions/ Is it something to do with the nut slot on the B string not being deep enough? Please advise before I take a file to the nut slot.
Ta.
Post #2427
Posted 02/04/2008 20:39:02


iMuso Guitar Guy

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First thing to do is buy some new strings, restring, properly stretch in the strings and see the problem still happens. Filing your nuts is as dangerous as it sounds! 

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The Man in the Jar
Post #2429
Posted 02/04/2008 20:41:51
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I have done this and the problem is still there!
Post #2431
Posted 02/04/2008 23:11:50


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In that case it could well be that the fretting pressure is pulling the string sharp as you've suggested. Is it a new guitar or still under warranty?

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The Man in the Jar
Post #2435
Posted 03/04/2008 09:40:14
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No I have had the guitar for some time now so not under guarantee.
Ta.
Post #2436
Posted 03/04/2008 11:35:49


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OK. Then you can take it to a luthier or attempt the repair yourself.

I bought a Jim Reed Fat Strat second-hand off EvilBay a while ago and it had a similar problem. In fact the nut was so poorly cut that the thing played like it had a twisted neck!  I took it to a guitar shop and asked for the nut to be changed. They ignored my request and returned the guitar with the neck shimmed. This gave it a slightly better action but it still played like a horse (costing me £20 for the privelige).

So I decided to file my nut myself. The first problem was getting a file small enough. I found a set of needle files on the Maplin website, a couple of which were flat enough for the job.

I can't stress enough the importance of taking your time with this job. De-tune the string, flip into the slot next door and file with a few gentle strokes. Then put the string back and retune. Give the guitar a hefty strumming to seat the string in the filed slot properly and then check to see if you've cured the problem. If you have, good!  If you haven't you might choose to give it a bit more gentle filing and repeat the procedure.

All the time keep a wary eye on how far down you are going. Too far and you'll render the guitar unplayable (it'll then require a new nut to be fixed on).

As an alternative you could contact the distributors and ask to buy a new nut for your model of guitar. Either fit it yourself (you'll need really strong glue - these things undergo incredible pressure), take it to a shop or have it on hand in case you screw up with the needle files.    

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The Man in the Jar

Post #2437
Posted 03/04/2008 20:40:34
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Thanks. I'll try filing. I have bought a nut file from SMc and will go carefully.
I think I might order up a new nut, just in case!!!
Thanks again.
Post #2441
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