#1
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Who finishes the inside of the guitar?
I've been thinking about the endless debate about using a finish for the inside of the guitar. I can easily see how finishing the inside with a spray lacquer or something like Tru oil could help stabilize the instrument from changes in humidity by acting as somewhat of a moisture barrier.
But I've also heard that it can make an instrument sound harsher. I've never done it, although years ago I would apply an oxidizing oil varnish to the inside of my guitars, back when my arm was skinny. I couldn't hear any difference, but it made me feel noble at the time. Does anyone here do this? What are your thoughts? Could this hurt?
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Taylor 815C '59 Gibson LG2 Washburn J4 jazz box, ebony tailpiece Gold Tone open back banjo Anon. mountain dulcimer Creaky old Framus 5/1 50 About 1/2 of Guitar One completed; currently intimidating me on account of the neck geometry. Stacks of mahogany, spruce, maritime rosewood, western red cedar Expensive sawdust |
#2
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Many guitar makers do it. Most notably those of the Ervin Somogyi school of thought.
I do so myself. Basically it's just a quick wipe with some shellac cut down. It's not a heavy coating. However if you install the top first, then you must do some prep work beforehand to ensure you don't get any on the gluing surfaces. Meaning, you'd do this before final assembly of the box. Since I glue the top last, it's a bit easier. |
#3
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I only do it on Selmer guitars as is the tradition. Like anything it has it's plus's and minus's.
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#4
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I don't.
Makes subsequent repairs a pain in the neck. |
#5
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Not really. I just use a wipe or brush of shellac, cut down. In fact, if it's a loose brace or strut orlining, it's actually easier because the glue won't stick to it, and a rag moistened with a little warm water cleans it up. If it's a side crack a wiping with denatured alcohol followed by a little cleanup with sandpaper removes the finish to glue a cleat or patch. The inside of the soundboard I'd never finish, however. Hopefully, I've made 'em where subsequent repairs are few and far between!
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