#1
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mini tuners
When a tuner says that it's a mini tuner (as compared to standard) does this refer to the whole machine head or just the button (the part you actually turn to get the string in tune). Anybody know a measure for a mini tuner? I'm trying to decide which would fit best of my Eastman 10OM. I don't know what the Ping tuners are that came with it.
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When I was 5 years old, my mother always told me that happiness was the key to life. When I went to school they asked me what I wanted to be when I grew up. I wrote down, “happy.” They told me I didn’t understand the assignment, and I told them they didn’t understand life. —John Lennon |
#2
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Quote:
Can you post a picture of the tuners you want to replace?
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Martin 0-16NY Emerald Amicus Emerald X20 Cordoba Stage Some of my tunes: https://youtube.com/user/eatswodo |
#3
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At grotro.com you can find Grover tuners, and specs for each.
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#4
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Thanks Mirosh. They have specs, but not for the button.
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When I was 5 years old, my mother always told me that happiness was the key to life. When I went to school they asked me what I wanted to be when I grew up. I wrote down, “happy.” They told me I didn’t understand the assignment, and I told them they didn’t understand life. —John Lennon |
#5
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Eatswodo--here are the tuers on my guitar. Sorry that this is out-of focus.
IMG_6299.jpg The luthier than will do the setup and the tuner swap recommended these: Gotoh SD90-05M MGT Vintage Locking Tuners for Gibson Style. They are not listed in Gotoh's 2018 catalog, and I can't find out much about them Screen Shot 2020-05-29 at 7.56.45 PM.png He said they use the same mounting holes. Though the pegs are 8mm and the peghole on my guitar is 10mm, he said he can use a bushing to make up for the difference, and maybe some wood glue.
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When I was 5 years old, my mother always told me that happiness was the key to life. When I went to school they asked me what I wanted to be when I grew up. I wrote down, “happy.” They told me I didn’t understand the assignment, and I told them they didn’t understand life. —John Lennon |
#6
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For the Grover tuners at grotro.com:
I see that for some models the spec sheet includes dimensions of the button. On the spec sheets that don't, you could get a close approximation because most of the other dimensions are given. The old ruler on the laptop screen trick. |
#7
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Looking at your pictures I can see your guitar has open gear tuners on it.
I very much doubt it has 10.0 mm holes based on your pictures. Open gear tuners like yours are made to fit a smaller 8.75mm hole in the headstock. Sealed gear tuners like Grover Rotomatics are designed to fit a larger 10.0mm hole. So going from open gear tuners like yours to sealed gear will require a larger hole - done by reaming the existing hole to a larger size. Going the other way, from sealed gear to open gear the existing hole will be too big but this can be overcome by fitting 'conversion bushings' designed for this very purpose.
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Brucebubs 1972 - Takamine D-70 2014 - Alvarez ABT60 Baritone 2015 - Kittis RBJ-195 Jumbo 2012 - Dan Dubowski#61 2018 - Rickenbacker 4003 Fireglo 2020 - Gibson Custom Shop Historic 1957 SJ-200 2021 - Epiphone 'IBG' Hummingbird |
#8
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Thanks Brucebubs. I was sharing the information given to me by Eastman about the size of the pegholes. I gave a used tuner (not working) to the luthier.
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When I was 5 years old, my mother always told me that happiness was the key to life. When I went to school they asked me what I wanted to be when I grew up. I wrote down, “happy.” They told me I didn’t understand the assignment, and I told them they didn’t understand life. —John Lennon |
#9
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I've had this set of mini-Gotoh keys on my Mark Angus 12 string since it was built in 1983... they are great tuners!
Smaller overall than regular Gotohs... you can put anything on that guitar that you want; the hardest part is matching up the "footprint" of the old machines to get a completely sanitary look...
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"He's one of those who knows that life is just a leap of faith. Spread your arms and hold your breath, always trust your cape..." "The Cape" (Guy Clark/Jim Janowsky/Susanna Clark) |
#10
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Quote:
I had to type Gotoh SD90-MGT (the 05M is the number for the button style) https://g-gotoh.com/product/sd90-mgt/?lang=en You can see in the specifications the push-fit bushing supplied is made to fit the smaller 8.75mm hole. Should be a relatively easy swap.
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Brucebubs 1972 - Takamine D-70 2014 - Alvarez ABT60 Baritone 2015 - Kittis RBJ-195 Jumbo 2012 - Dan Dubowski#61 2018 - Rickenbacker 4003 Fireglo 2020 - Gibson Custom Shop Historic 1957 SJ-200 2021 - Epiphone 'IBG' Hummingbird |
#11
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Thanks Mirosh for that information.
Nice looking tuners, Jseth. It must be good to have to have locking tuners on a 12 string. What do you mean by "the hardest part is matching up the "footprint" of the old machines to get a completely sanitary look..." Are you talking about the mounting holes? Thanks Brucebubs for finding the link. It eluded me. These tuners have a gear ratio of 15:1. I'm used to 18:1. I wonder how different these will feel.
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When I was 5 years old, my mother always told me that happiness was the key to life. When I went to school they asked me what I wanted to be when I grew up. I wrote down, “happy.” They told me I didn’t understand the assignment, and I told them they didn’t understand life. —John Lennon |
#12
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I ordered the Gotoh SD90-05M MGT Vintage Locking Tuners. Thanks everyone for your help in this thread and in previous ones. So much to learn!
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When I was 5 years old, my mother always told me that happiness was the key to life. When I went to school they asked me what I wanted to be when I grew up. I wrote down, “happy.” They told me I didn’t understand the assignment, and I told them they didn’t understand life. —John Lennon |
#13
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If you have a great tech to do the work, he should have no issues with this, regardless of any work needed to have everything "fit" correctly. Now, I have a question for YOU! Why locking tuners on an acoustic guitar? I understand "what" they are, but I 'm wondering if there's a problem keeping the guitar in tune, and you're hoping that locking tuners will help?
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"He's one of those who knows that life is just a leap of faith. Spread your arms and hold your breath, always trust your cape..." "The Cape" (Guy Clark/Jim Janowsky/Susanna Clark) |
#14
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However, different tuners can differ in size and shape. If your new tuners are overall bigger, they will likely completely cover the old footprint but, if they are smaller in any dimension, or a slightly different shape, there’s a good chance that the old tuners’ footprints will be at least partly visible after the change. I had exactly this problem when I replaced a set of Grover Sta-Tite 18:1 tuners with Waverlys, the Grover back-plate was larger than the Waves, and the old footprint remained visible on several when the Waves were installed. The usual disclaimers apply......IMHO, YMMV etc.
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John Brook ‘Lamorna’ OM (European Spruce/EIR) (2019) Lowden F-23 (Red Cedar/Claro Walnut) (2017) Martin D-18 (2012) Martin HD-28V (2010) Fender Standard Strat (2017-MIM) Last edited by JayBee1404; 05-31-2020 at 12:50 AM. |
#15
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The tech has been recommended by a high end boutique guitar store in my area. I am trusting him to be a "great tech." He has so far, been incredibly patient with my intense process of finding the right tuners. The reason I got locking tuners is restringing my guitar is it not a process I thoroughly enjoy. I did it because it needed to be done. Read my sig and you will understand my motivation for wanting locking tuners.
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When I was 5 years old, my mother always told me that happiness was the key to life. When I went to school they asked me what I wanted to be when I grew up. I wrote down, “happy.” They told me I didn’t understand the assignment, and I told them they didn’t understand life. —John Lennon |