Question about Johnson Ma100 Lynchburg Mandolin

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Johnson MA-100 Mandolin

I need a set of tuning machines for my Johnson MA-100 mandolin, but "standard" tuning machines have posts that are 29/32" between centers, and this mandolin's posts are farther apart -- 15/16" between centers. Doesn't sound like much distance, but standard tuners will not fit. Where can I get a set of tuners that will fit this instrument?

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Go to - Luthiers Suppliers. They have a "contact us" link and report your problem. They may be able to supply tuners that will fit or offer advice on re-drilling the headstock.

Posted on Jan 02, 2009


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Was it supposed to be an old one ?
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The Gibson A model mandolin serial no 73000 is a 1923, so that would be the year. The FON does not give a closer guide than 1922-23. Nice instrument.

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Could you please tell me the year of manufacture of Washburn mandolin serial number A16672.I suspect it would be approx 100 years old.

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    How to change a string? (My instrument is bought to day) Sincerely yours Herluf Sklibdahl

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    The body has sunk on my mandolin between the sound holes. I took the old strings off and cleaned it and started to restring it and the bridge was pushing down. I didn't notice it until the strings started...

    Sounds like the bridge was either in the wrong place or the string tension excessive.

    Sometimes there are low, medium, and high tension grades of strings.
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    Sound post has fallen inside F style Johnson mandolin.

    You may be able to help this prob. your self. You will need a set of hemostats about 10 in. long. A nickel sized dental mirror a flexible LED light . First of all unstring it , put strings a side.Next look in side to the under side of the top of your Mandolin .With your lite and mirror you should see a spot where the post was org. placed.Now with your hemostats reinstall the post. Now this is like building a ship in a bottle, but it can be done , but just a little at at time. You need to lift up the whole top. Remember the top did not drope down all at once, nor will you rase it up all at one time. A little eack day untill you have reached a perpendicular point . One more thing, you post fell because the insturmant was to dry.You need to keep it humidfided . Take it to the shower with you. dont get it wet let it soak up the steam, it will help you get the post back up right and it will love you four it. Get a humidfier for it OK

    Dec 28, 2008 | Johnson Ma100 Lynchburg Mandolin

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    Guitar strings on a mandolin.

    Looking at your desired notes the mandolin is standard tuned to gdae.
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    The dude.

    Aug 07, 2008 | Johnson Ma100 Lynchburg Mandolin

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