Alembic Guitars Club
Alembic products => Alembic Basses & Guitars => Topic started by: jimbryan on November 22, 2019, 10:34:07 AM
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Hi Alembicers.
Has anyone changed the stock Schallers for lightweight tuners.
I can’t seem to find any that fit the holes.
Any help appreciated.Jim
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Schaller themselves make lightweight versions of their regular tuners. Depending on the location of the mounting tab, one of these should work for you:
https://schaller.info/en/machine-heads/292/m4-90-light?c=53
https://schaller.info/en/machine-heads/290/m4-180-light?c=53
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I do not believe that they are a direct replacement. They require a larger hole in the headstock. I would love to find a set of the M4 90's that fit my 1975 Alembic bass. I looked into these and were disappointed that they don't fit.
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They do require a larger hole than the earlier M4's. An experienced tech can widen the holes.
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I got my first bass in 81, a secondhand Japanese that was upgraded with Schaller M4s, and they appear to be the same shaft size that came on my 88 Spoiler (that I bought in 02). So perhaps if Chris' bass is a later vintage, the current ones may fit.
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Hipshot makes two versions of their Ultralite Bass Tuners, one for 9/16" holes, and one for 11/16" holes. And they are great tuners.
Bill, tgo
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Hi, I bought these schaller M4 90 light for my '77 Series 1 and they were too big (see attached link). The bore size of the newer light M4 is 14mm-9/16
I just removed the original 1977 version M4, and the measured hole size is 12mm. There will be some boring out required if I ever install a 9/16 size tuner on my '77.
https://www.emma-music.com/-schaller,us,4,SCH-503450-L.cfm