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Private member DiscussionAcoustic Repair

1930 Gibson L-0 Top Sink

Hey All! I hope everyone has been loothing and living as well as possible. I'm checking in to ask for an opinion. I have been asked to fix or improve some top sinking/splitting of a Mahogany top 1930ish L-0 that sits between the bridge and the junction of the X-brace. It's showing signs of wanting to crack further but neither seems to be all the way through the top. I have removed the bridge plate cleanly and have tried wetting the…

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Ian Davlin
Maybe so. Could be a lot of things. I would leave it be. Everything I can think of is either dumb, risky or both dumb and risky.
Private member DiscussionAcoustic Builds

Replicating Kurt Cobains 59 Martin - bad idea?!

Greetings fellow Looths! I recently received a request from a customer to replicate Kurt Cobains 59 Martin, starting with a Sigma DM3. I have pasted the customers email to me below. While I have been a looth hobbyist for many years, I just recently opened my official business, Finger Lakes Guitar Works, and am just getting off the ground and a good flow of repair work is already coming in. While I feel 100% confident in my abilities to…

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Seems kinda annoying to me. The guy wants to spend a ton of money building a replica of a guitar but he's going to not use a guitar by the actual brand to do it? I'm going to go with this is going t…
Private member DiscussionAcoustic Repair

1950s Gibson LG-3

Hi, I have a 1950's Gibson LG-3 that's had some poor work done to the spruce under the area of the bridge where the spruce has pulled away and or been sanded excessively. It's missing about .020-0.30 thou of spruce and I'm wondering/looking for advice about how to go about splicing in a thin piece of spruce before I re-glue the bridge. Please see pictures attached. My main questions are: glues for the patch, should the patch be mitered…

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When faced with a similar job recently, I chose to glue the patch in place with epoxy, then used hide glue to reset the bridge. The logic being that 20 years from now when someone needs to reset the…
Private member DiscussionFinish Repair

Finish repair from mystery solvents

A customer brought this Gibson songwriter deluxe in, it’s approximately 20 years old to his recollection. It needs a few things done including fret work and a bridge re glue. At some point the guitar was lent out to a friend who dropped it then tried to fix the finish themselves. It looks like they used some kind of cleaner or something that didn’t get along with the lacquer at all. I’ll attach pictures but it’s kinda hard to get a pic…

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Ian Davlin
I agree with this. Just Novus probably wasn't going to be enough. It kind of looks like someone accidentally used alcohol instead of naptha. It's a very subtle boo boo. Use some 2000 grit sanding pape…
Private member DiscussionAmps, Pickups, and Pedals

High Resistance for Gibson Mini-humbucker

I have a customer with a 2018 Gibson SG special with mini-humbuckers who is complaining about the pickups being too hot (distorting their amp too easily). I took resistance readings and, to my surprise, the readings are very high. The neck humbucker (see photo) reads over 16kohm and the bridge reads 23kohm. From the specs I've seen, mini-hums more typically come in around 6-7kohms. Has anyone seen this with Gibson mini-hbs that appear t…

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I might also try, before complete rewire, adding a 500k trim pot from pickup hot to ground to try to tame the high output. The trim pot would give you tunability for the output level. I currently don'…
Private member DiscussionNeck Reset Database

Thoughts on Saddle and Bridge Heights During a Reset?

Hey all, I’m curious to know people’s general thoughts on the appropriate or ideal saddle height after a reset. And, when to replace a bridge that’s been shaved down. I know there are a lot of factors (for me anyhow) and this question could open a whole can of worms when it comes to the specifics of the guitar, its age, style of bridge and desired sound. I’m providing an example I encountered recently, but would also like to know people…

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^*Pics are after*^ in case it was unclear.
Private member DiscussionElectric Repair

Replacing Nylon Saddles on a Gibson SB-400 bass

I need some advice on replacing some saddles. I have been restoring a "dumpster dive" 1972 Gibson SB-400 bass, with a Multiplex bridge. It has nylon saddles, one of which has a crack. The screws upon which the saddles ride are not removable, as the end has an enlarged cap (see picture). How do I replace the saddles without destroying the screws? I repaired the cracking nylon saddle by supergluing two layers of fiberglass wrap (used for f…

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I had a discussion with Joel Wilkens about the nylon gibson used for nuts and saddles and he had concluded that modern nylon formulations were not as tough. He recommended using 20-30% "glass filled"…
Private member DiscussionFinish Repair

60's LG0 bare wood touch up

This 60's Gibson LG0 mahogany came in with a little bit of the finish scraped off just to the right of the bridge as you can see. I'm curious if anybody has any tips on how to touch this up? Any help would be greatly appreciated.

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Ian Davlin
I would start by using matte or dead flat lacquer.
Private member DiscussionAcoustic Repair

New Gibson L-00 retro with whimpy bridge

Hi Folks. I have a new Gibson L-00 retro on the bench. It came in because the saddle had pulled forward and was extremely loose in the slot. the saddle was a narrow affair measuring out at 3/32. It had buzzing issues as well because saddle was low and neck angle is actually high (straight edge is 5/32 above bridge). Previous looth tried to correct by shimming saddle but recommended me for bridge work. I re-slotted the saddle slot wi…

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Ya…ugly bridge way cheaper then neck agogo which would entail dealing with bridge anyway cause of intonation. Customer may be able to get new one because that’s the obvious problem, but as mentioned,…
Private member DiscussionAcoustic Repair

1930s Gibson L-7 Fretboard Radius 9.5" vs 12"

I'm refretting an all-original Gibson L-7 from 1934, and it has a 9.5" or so fretboard radius. However, the bridge, also original, has a 12" radius. I need to flatten the board, as it has a hump at the tenth, but I'm wondering if I go with the 9.5" radius, or try and get it to 12". I'm a little worried about sanding through the Nick Lucas style inlays, so I'd like some input here. If I kept the 9.5" radius, I'd likely have to radius the…

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Ian Davlin
It's probably going to make sense to keep the 9.5 radius. You'd definitely have to pull the inlays to modify the radius that much in the middle of the board and that would really suck with those inla…
Private member DiscussionAcoustic Repair

55’ J-45 basket case

Well, it is what it is, I seem to have found myself “the guy” to bring basket case Gibsons too….. I have the following 55’ J-45. The top has some serious belly, and has had not one, but two different directions of bridge on it at various points. I’m trying to flatten the top out with Thompson belly reducers. I first tried the standard plates used for the bridge plate n the guitar, and although it helped, I still found the top to have a m…

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Ian Davlin
I was going to say. If it's hide glue and you're pulling the neck, I've got a move for pulling the top that is a ton easier than pulling the back. If it was in the cards, I would pull the top and pull…
Private member DiscussionAcoustic Builds

Archtop f-hole placement: how precise?

I was finally able to model something like a Gibson L7 top plate! Now I'm trying to build my f-holes... My only reference is the Benedetto archtop book, where it puts a few rules of thumb about how the f-holes should be placed. My question is, how precise are we talking here? One of the rules of thumb is that the bridge intersects at the midway point of the f-holes. Does this imply that the f-holes are at a certain location on the plate,…

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Possibly answering my own question...given my current drawing, there is 11.157" from the f-hole point I chose to the end of the body. If you assume that's the 14th fret, it implies a 26" scale length…