This is a no name classical with fan bracing. The owner , an orthopedic surgeon , had a friend buy this for him years ago in europe. His daughter had it for a few years and the cracks showed up. I had repaired some of the other top cracks with TJ Thompsons cauls and cleats. These two cracks I wonder about. Both are cupped upwards slightly. I have pictures of the cracks and pictures with a clear overlay showing the bracing below. I really…
Thanks Ian. I have seen the Doug and Dan video with TJ Thompson but could not find any others. I was thinking of splining the wider crack but it is cupped up. How would you handle that? Also looking i…
Hi guys, it's my first post here. First of all, english is not my first language, so I'm sorry for any mistake or its a bit rough. Recently I have a Sterling Maj200xsm from a costumer that has tunning issues with the tremolo. Any of you has experience with this model? I made a full set up and I checked the nut, saddles, springs, and dont found the trouble. Sometimes there are no issues at all, then the 2º and 3º string goes higher, then…
Hi guys, I finally managed to sort the problem out. Seens like was a simple issue that I cant see in that moment. I took the whole bridge apart and did a complete setup from scratch. I read somewhere…
Some of you might enjoy this - a full recent guitar bouzouki build. It's about 35 mins long. Plenty of woodworking tips in there for the eagle eyed. Give it a watch, the tunes are great. Nigel
That was AWESOME!!! I've always wanted to build a cylindrical top guitar. I had envisioned it exactly how you executed it! I did have some emails with Johann Brentrup before his passing as he had descri…
I've built a number of classical guitars with an adjustable neck and they seem to gather quite a bit of interest, so i'm currently in the process of looking to refine the design and build. It's quite a simple construction where the neck is held together by string tension and hangs on a pivot. I developed a 3d printed "socket" which acts as the interface between the body and the guitar and allows for some fine tuning of the alignment of t…
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Not really answering your question but I've done a version of the Smallman/Gore joint (I think it's really just Smallman but whatever) on all my guitars (nylon/steel/gypsy). I'm not particularly conc…
Hey guys. I guess this is an old topic, everyone talks about it but I haven't been able to find a definitive solution for this. Here's the deal: I'm working on a PRS Silversky that has this old problem that when you use the trem bar, one string (G in this case) goes sharp. I made a few adjustments to the nut as we all know that's the first thing to look at...no good. This guitar is new so I'm pretty much ruling out the bridge and posts si…
Hello, I hope everyone is having a great 4th of July weekend so far. I was recently asked by a friend to work on a cheap S101 bass someone had given to him. It had no electronics and it was severally back bowed. After finishing up the electronics, I did the set up. He wanted the guitar tuned low, to Drop C. So, I went out and bought some Ernie Ball Power Slinkies 55-110. Once I got to the nut depth check, it was clear there were large, g…
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9m✎🗑 A standard heat treatment, with the neck clamped in an upbow, should help. I have been using an Aria neck heat bar for 50 years with more successes than failures. You can find the Aria on eBay for…
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Just posted a full build video for the last mandolin batch over on YouTube. Give it a watch folks, its 25 mins long. And there should be a few woodworking tips there for some of you, and some lovely tunes all played on my work.
I am working on a neck reset on a Washburn Parlor - SN 283552. I have read that the 28 in the SN indicates that is was built in 1928, but the owner thinks based on her research that it was built before 1920.
I am assuming a dovetail joint and that I can get into the neck joint for steaming by drilling into the 13th fret slot, but if anyone knows differently please let me know. The fingerboard extension has already separated slightly…
I am working on an article to post here on the Looth Group regarding the history, and problems, with scale temperament. In the process, I asked Claude about a particular point, and Claude gave me a quote that perfectly encapsulated the concept I was exploring. I asked Claude to provide the specific citation for the quote. Claude fessed up to outright misrepresentation. Probably nothing new here, but I thought it was worth sharing.…
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There's a really cool book, not specifically about intonation but dives deeply into it, called Harmonic Experience by W.A Mathieu. Highly recommended. Cheapish used.
I have a customer with a guitar that has an intonation issue. It plays flat at the first and second fret on the D and G string. The factory spec says its a 25.5 scale but I measure from the nut to the 12th fret 12 5/8. I plugged the number for a 25.25 scale into the Stew Mac fret board calculator and the measurement is off from the nut to the first fret. Unfortunately I now longer have the guitar in my possession so I cant tell you exac…
Any way for you to get the instrument back for those measurements? One thing about the compensated nut, is it suggests some factory tinkering with intonation more broadly. It's not uncommon for intona…
Hey Everyone!
I have been messing around with a program that Ian introduced me to called "FarPlay". It is similar to zoom but designed for playing music together.
In prototyping it I have made some discoveries, particularly that you need a really solid internet connection. Wifi seems doable but causes the most problems.
If enough people were interested I am imagining two different ways it could be fun for us. The first would be…
Hi all, I'm new here. I've been playing guitars for ~15 years and recently started as a technician at a music production school in London, where part of my job is maintaining the guitars.
I picked up this 50s parlor nylon the other day and it's in bad shape but I don't know how to go about repairing it.
The main issue is the bridge. The guitar was kept high strung and the bridge has twisted and lifted off slightly at the base. T…
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So now put the iron on low, heat the bridge for at least 5 minutes, then take it and the insulating cardboard off, and see if you can begin to work palette knives under the bridge. If it's not relativ…
I've got a PRS SE A50E acoustic in with complaints of high action. Checked the relief and it was sky high. Tried to flatten it, and it wouldn't go, so I started experimenting.
When there's no string tension and the (single action) truss rod is slack, there's loads of relief. Tightening the truss rod works fine and the nut turns easily until the neck is flat, then resistance goes up but the neck won't go past dead flat. It behaves as…
With all that extra relief it's probably hard to tell, but is this a double action rod? As far as compressing into a back bow, it can be done if the untensioned relief isn't crazy. It dounds like you…
Hi all, I am building a mandocello, Gibson style but with f holes, currently working on the top. I got to a point where I carved it to about 5 mm in the center and about 3,3 around the edges. If has some flexibility but still feels quite stiff. I tap and listen but having experience only with flat top guitars I don't really know what I'm looking for in terms of tap tone and flexibility. I know there is no correct answer to this, but anyo…
One more update. I have been generating Chladni patterns for the top. I normally do this with the closed box, as most luthiers seem to think that on free plates it's not very useful, but I found this…
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…
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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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…
In the process of evaluating the repairs needed on this guitar I checked to see if the truss rod was working. There is hole in the transverse brace where you would normally insert a truss rod, but all I see is the end of a metal bar with a smallish hole in the center. I tried several allen wrenches that would fit in the hole, but nothing seems to grab. Did they really eliminate the adjustable truss rod on this vintage reproduction? Here'…
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A reproduction with that much wrong?!?! Did the thing go of a cliff in the back of a car without a seat belt, get thrown, and wash up 10 miles south?
And another one — putting it in general as while this is an acoustic, the particulars are more relevant to the brand than the type of guitar. This is a very early Hofner Committee (serial 20XX, maybe 1954?) that has suffered some minor blunt force trauma. The mounting posts for one of the tuning keys snapped. While repros may be available, I assume with something this weird and vintage repair is probably more feasible and affordable. Bu…
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I am wondering if you could replace the tuner gear mounts. Drill correct diameter hole in the right thickness of steel and shape the rest including the legs to be peened with a file. You might hav…