I recently purchased a Blackstar Carry on which comes with a Nashville-style bridge.
In the course of doing a set up I discovered that the bridge post anchors were sitting quite loose in the body, and could easily be pulled by hand.
Now, I have a spare Tuneomatic-style bridge from ABM lying around that I was intending to put on it anyway, and in terms of replacing the Nashville anchors, I have two options available - a set of regular 1" Tuneomatic posts or a set of solid 1-piece Nashville to Tuneomatic conversion studs/posts.
For the first one, I would have to plug the existing holes and redrill, and for the second, though they fit the current holes they are also slightly loose, not moving around inside the holes but not sitting snug by any means. I know there are various techniques to either shim the hole or slightly increase the diameter of the bottom anchor part of the conversion posts to tighten the fit, but what would people recommend?
I don't have a huge amount of experience of such things, but I think that even if the conversion posts are not sitting snug in the holes as they are one solid piece (as opposes to a post screwed into an anchor), there shouldn't really be any performance issues when strung up? Though maybe a tighter fit would bring a sonic advantage?
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I wouldn't look to change them for something else unless I wanted to change the bridge
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Wood glue if its not too bad as that will swell up the wood to regrip the insert, it will also firm up the wood in that area.
Thicker superglue if it has a little more play. I go for a gel type so it stays where you put it. I wouldn't use a thinner glue for this
Epoxy if it's got more space and needs the gap filling properties
For each, just a little glue on the side of the insert should be sufficient - you don't want glue on the threads!
All will release with a bit of heat if they ever need to be removed in the future
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If you do use epoxy, fit them with the posts in place and screwed fully down, and a dab of grease on the end - this will stop any glue getting forced up into the threads or sticking to the post.
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