Gotoh SD90-SL MG Locking 3L/3R N

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107 Reviews

Gotoh SD90-SL MG Locking 3L/3R N
$58
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Almost perfect
Xxlguru 29.07.2020
Pro:
Weight
Functioning
sound
Negatives:
way it looks
Length of the shaft. Might be to short for some headstocks.

They are not heavier than Kluson vintage tuners and do no change the tone. Some heavy locking tuners will ruin the guitars balance and will kill the vibrations of the guitar. This one do not. Guitar stays as it was. Tuning feels good and it is relatively easy to dial in a note. People often ruin their guitars with Vintage tuners with placing heavy modern style tuners. They solve tuning issues and kill guitar sound and make it headstock heavy. This tuners are great option while they eventually do lock and they do stay true to how the guitar tone was with original vintage tuners.

On other side restringing is not as fast as with some other locking tuners. Like with PRS type locking tuners you keep string tension and you lock it down with a screw, Same as with Fender type (Shaller) of tuners only you lock it from the back side. With this tuners you hold a string and you need to turn a tuning peg to lock the string and once you have it tight you can do last half turn to lock it down. So slower string changes and bit awkward. Though once locked it stays locked and tuner works and sounds good, So that is only negative thing about it.
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Great upgrade
episg 09.05.2017
Replaced the stock tuners on an Epiphone SG Special with these Gotoh locking tuners and was really impressed by the result. Great quality. The tuning stability has increased significantly, fine tuning is a lot easier and quicker now and restringing is much faster.

(A note for the specific guitar model (Made in Indonesia, Epiphone SG Special 2010): the stock tuners have the mounting screws placed diagonally, so you need to place the new tuners and drill pilot holes for the new mounting screws. Also the peg holes in this guitar are 8mm diameter. The Gotoh bushings that are included are 8.8mm. So, you either need to ream a bit the peg holes or leave the stock bushings.)
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Ideal vintage style lockers
Rids 19.01.2018
Gotoh make excellent quality machine heads and these are no exception. They fit vintage style Gibson?s with the smaller holes so don?t order if you have modern 10mm holes. The key stone is a really good colour unlike some other brands attempts. They look just like vintage style klussons but have the advantage of a locking mechanism which is a little strange the first time you restring your instrument as they lock by winding the key rather than having a wheel or other more common ways of locking. Once your tuned up they remain stable and hold tuning really well. I feel that these tuners are excellent quality and value
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Aesthetically and functionally amazing
Anonymous 10.02.2015
I fitted these to a Tokai Japanese Les Paul. The guitar was a clone of the gibson 59 VOS and consequently i did not want to destroy the look of the guitar by adding any extra holes or non period correct tuners. This left me with one choice, these excellent Gotoh magnum lock tuners.

The tuners were very easy to install, they slotted right into the holes left by the elusion style tuners already in the guitar. They covered all of the same space on the back of the headstock and were indistinguishable form the tuners they replaced. Locked them up is easy and they maintain tuning stability with ease. all told i am very happy with the and heartily recommend them to anyone in a similar situation.
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A
Best locking tuners/patent
Alfi27 29.01.2024
I'm a huge fan of this style of tuners, and have the Magnum Lock patent on all my guitars now. Standard locking tuners are heavier and ugly (if you're going for a somewhat vintage correct look) with the locking wheel on the back, which also is a potential source of failure if you don't tighten it enough (or too much).

These are the same weight as non-locking tuners, and the only difference in look is the slot on top of the post and the fact that the string is not wound several rounds around the post.

Shortly summarised, perfect tuning stability and much quicker/more efficient string changes with minimal aesthetic changes, what is there not to like? Price is also impeccable, last but not least.
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Not good for left handed guitars
Moje 13.09.2017
Wont properly fit in left handed guitars because the "string holes" are smaller on the treble side, which causes problems when fitted on left handed guitars.
With my string gauge (standard .10 set) the low E string wont fit through, other strings have no issues, though the A string is a tight fit.

Otherwise good build quality.
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Massive improvement.
Anonymous 15.04.2014
I bought these to replace the stock machines on my Les Paul, which had problems holding its tuning. What a difference! Apart from being so much quicker to re-string, they really stabilise the tuning. Some nut lubricant helps too. The Les Paul has now become my guitar of choice because I'm confident that it won't go out of tune.
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Gotoh all the way.
Anonymous 16.05.2014
Bought these to replace the tuners on my Orville LP Standard. Identical specification, drop in and perfect fit. Great quality product, I have found that Gotoh is my brand, preferred over a Schaller and even more so than Grovers. More solid and stable in my opinion.

First time for locking tuners for me, very handy to change strings. Recommended for those that have not developed a proper wrap technique, or those that could not be bothered to learn.

Funky greenish pegs set them off.
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Great Standard Kluson Replacements
Anonymous 18.01.2015
These are an ideal replacement for the standard Kluson vintage tuners as found on many guitars - Les Paul, SG etc and are an easy DIY fit.

They do come with there own bushings as well so make so you tap out the old ones with the tool provided. A word of warning here - also make sure they fit your guitar as you really you don't want to be drilling/reaming out your headstock.

The advantage these have over other locking tuners is they look like normal tuners and don't add any significant size or weight.

They do the job very well and make restringing the whole guitar much quicker.

I will buy sets of these for my other guitars at some point.
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LP
Lassi P. 30.03.2014
The tuners are precise and hold the tuning very well. Attaching strings is very easy. The only downside is that detaching the strings from the tuners is a bit tricky, and I have not found a way to do it quickly.
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Gotoh SD90-SL MG Locking 3L/3R N