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Private member DiscussionAcoustic Repair

Do I need a refret?

Hi, thanks for this great resource. This is my first post here. I work on my own instruments and have little experience with advanced repairs. Recently I acquired a ca. 78 Sigma DR28H. I bought it because it sounded great and came with a pickup installed. I wanted something for open mics and gigging. With light strumming it sounded fine but I found some buzzing when I took it to a jam. I made a nut and saddle , adjusted the truss…

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Private member
Someone was just asking this recently and you may find the answers insightful: https://dev2.loothgroup.com/all-forums-all-topics/topic/fret-levelling-how-low-is-too-low/ It sounds to me like a good idea…
Private member DiscussionAcoustic Repair

Yamaha FG410A with very fragile fretboard

Hello everyone, I hope you're doing good. I'm very much a new guitar repair enthusiast, any advice or feedback would really appreciated. I'm working on this Yamaha FG410A, as you can see, it's in rough shape. The guitar lived in a case in a storage container since the 90s. The guitar was really dry when I got it, so I started my slowly introducing moisture. I removed the frets and then put the guitar in a bag, with a hygrometer…

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I think your approach makes sense. You will learn much from this project. I am sure you will discover creative ways to fix problems. I have used the saw dust CA glue method to fix divots in the fin…
Private member DiscussionRepair and Restoration

Fret levelling: How low is too low?

I finished levelling frets on a mandolin last week, and was surprised that the frets with the worst divots worked down to .020" Had I known that I'd go that low, I might have replaced them, but it's hard to measure divot height, especially those caused by thin strings. I haven't seen much discussion on standards for fret height or guidelines to know at what point should I switch from levelling to replacement. What standards are peop…

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I’ve found for most guitar players anything below .030” starts to get into refret territory. Might be different for mandolins though, I don’t work on many of those. I have a client that loves the fret…
Private member DiscussionNew Builds

Neck Set w/o frets...

I have a 74' D-28 im working on, just curious what you guys do in terms of process steps. Right now, im setting the angle, without frets(I reinforced the square tube rod with carbon fiber and will need to refret once put back together.) Do you guys shoot for the straight edge hitting the top of the bridge with, or without frets? Im wondering if I should undershoot my bridge just a touch so that then I can fret and have a good saddle hei…

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Ian Davlin
Private member DiscussionNeck Reset Database

Gagliano 701 Jumbo Neck Joint

A Gagliano Jumbo probably made by Kay in the 1950's. It looks like this had a previous neck reset based on the shims and some sloppy chisel work. I removed the 14th and 15th frets because I had read that these might have a straight tenon. I didn't need to drill any holes for heat, as the spruce shims both split in half after the fretboard extension was released. The dovetail is about 11mm long, the pocket is 14mm deep, and the 15th fret…

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So it's a traditional dovetail joint then? Hard to tell if there is a taper from photos. The Galiano-labeled guitars made by the Italian luthiers working in NYC in the first half of the 20th century…
Private member DiscussionAcoustic Builds

Cutting Fret Slots

I cut the fret slots for a baritone guitar build today, so I thought I'd share my method for cutting fret slots, as I think it is a bit unusual. I radius and profile my fretboard before I cut the slots. I print out a paper layout of the fretboard, double-stick tape it to the radiused and profiled fretboard, line up the saw by eye to using red hatch marks on the printout, and saw the fret slots with a 3" circular saw that rides on…

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Awesome! Can you share how you print out the fingerboard layout?
Private member DiscussionElectric Repair

Neck relief without strings?

Working through my first refret. Trying to straighten the neck before radius sanding. What should the natural relief look like when straight? Using a straight edge there’s always slight gaps somewhere. Does natural neck relief start at a certain fret?

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Natural neck relief without strings sounds...not good. Most necks aren't stiff enough for the need to add relief without string tension. Said another way, string tension is almost always enough to give…
Private member DiscussionGeneral

Stainless steel fretwire for compound radius

Hey! I have a friend who builds flat tops who wants to give stainless a try. I have done a handful of refrets and he was asking advice. He is using a compound radius from 14” to 20”. Jeskar sells the coils and they come in 10”. I have only done installs where the wire matches the board precisely. I bought pre cut pre radius bags for these re frets. Has anyone worked on a compound radius. Do you radius each fret on a bender or can you get…

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Here are some pictures of my bender. Pretty simple. just a few bearings washers and bolts.
Private member Discussion3D Printing

Free 3d printed stuff up for grabs

Santa heard I had a challenging year so he got me a 3d printer for Christmas. I’ve been printing like crazy, learning the machine. This has resulted in a bunch of tools that either don’t work for me, were attempts at mixing colors, or have very minor printing blemishes. Two lots up for grabs to anyone in the US who wants either. I’ll mail to you for free. First one to claim each gets it :) First lot has parametric nut and saddle sanders…

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Lot #1 still available. I'll likely be adding to the lot as I print and eff up but still make usable prints.
Private member DiscussionAcoustic Repair

Questions on Classical guitar action

I am working on a wall hanger that I thought would be fun to get working. It is an old Tokai. I have repaired a crack on left tuning arm. Also removed the bridge that had been badly glued on by previous owner. I am deciding if I want to put the effort into re-fretting it. I am new to Classical guitar actions, so my question is this - when you put a straight edge on the neck, where should it hit the bridge, if at all? I have learn…

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Here is a link to photos of work so far : https://share.icloud.com/photos/043WoRjVTKnK8Y3-Y3bOaHQYQ As you can see, the action is not bad, neck is straight, frets at top are .028 but flat, progress to…
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 DiscussionGeneral

Widening fretslots

Hello everyone, I use a Stewmac japanese fretsaw (which produces .023" wide fretslots, matching the width of the tang of stewmac wire) to recut my slots on refrets. The saw does a good job making the slots deeper, but struggles to make them wider and binds like crazy throughout the process. I think that is due to it not having enough (or any) set, so in theory it only cut downwards and does a poor job removing material from the slot wall…

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My fretboards are done with a table saw & correct SM blade, if i need to touch them up after radius i go between the jap saw & regular one sm sells. yellow wax to stop them from sticking when cutting…
Private member DiscussionElectric Repair

Just one string buzz from 1-12 even with really hi action.

I work in guitar repair for over 20 years and this strange buzz happen only 3 times and i really going crazy. Five years ago a all parts strat neck in G string, change string, leveling frets twice thinking i made a mistake, in some point i made a rudimentar neck jig to tried to repair that neck. Work in that guitar for 3 weeks and string heigth like 3.5mm and yeat, buzzing with not so hard picking just the G, even in other tuning like F…

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Private member
Thanks Ian! It’s a brand new guitar, client contact the dealership and it’s in process to return and get other one. I really want to open and understand why this happened, not know why it’s a big bumm…