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Total Flame Out: Retopping a Harp Guitar

Total Flame Out: Retopping a Harp Guitar

by Harry Fleishman

Originally published in American Lutherie #100, 2009



Falling in love causes people to do crazy things. It made me build a harp guitar using a piece of redwood that was so obviously problematic that I should have run from it. But I fell in love with it for its beauty. I should have been faithful to the wonderful straight-grained wood I’d had such success with. But no; I was blinded by its gorgeous curls. Like a C-street politician, I’m paying the price now.

Replacing the top on a complicated instrument is no picnic, I can tell you. The harp guitars I’ve made have no actual centerline and no points of symmetry. But once I made the decision to go forward with the retopping, I remembered a cool description of how Taylor Guitars does it. Bob Taylor has the good sense not to trash a guitar just because it doesn’t sound good. He also has the good sense not to sell a guitar that isn’t up to his standards. He also has a CNC machine and interchangeable parts for his guitars. Not I.

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Strings: The (Often) Forgotten Accessory

Strings: The (Often) Forgotten Accessory

from his 2008 GAL Convention lecture

by Fan Tao

Originally published in American Lutherie #101, 2010



Joseph Curtin: Some of you already know Fan as the person you talked to at D’Addario after you built a custom instrument and then realized the strings for it don’t exist. He’s also become something of a violin-string guru and a major figure in the violin world, since he not only builds violin strings at D’Addario, but is also a very passionate amateur violinist. Fan started as an electrical engineer at Cal Tech, then got drawn into violin research through his job at D’Addario. Fan started the Oberlin Acoustics Workshop, which is one of the most exciting things that’s happened in instrument research, bringing makers and researchers together. He also started the first Violin Society of America Innovation Exposition, which was a big success and really got people thinking more about innovation. He’s a wonderful person, as well.

Fan Tao: Thank you. This is the first convention I’ve attended that represented lots of guitar makers. The most exciting things about working with violin makers are their passion for their craft, their creativity, and their wide range of interests. It’s good to find those same traits among guitar makers.

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Practical Acoustics

Practical Acoustics

from his 2008 GAL Convention lecture

by Michael Cone

Originally published in American Lutherie #102, 2010



Nikola Tesla said, “Science is but a perversion of itself unless it has as its ultimate goal the betterment of humanity.” On the one hand it’s only a guitar, and the jury is still out on just how much better off humanity will be for having a better guitar. On the other hand, a musical instrument is the conduit between a musician and the divine, with the capability to inspire and transcend our ordinary, relative existence. This by itself certainly makes lutherie a worthwhile endeavor, and the application of science to this art and craft, an ultimate necessity.

By science, I mean repeatability, not theory. I mean the practical application of measuring, changing, remeasuring, and then seeing and hearing the difference. We’ve been doing the same thing for several thousand years: flexing, tapping, training our ears, training our guts. After twenty years or so, you pretty much know what you are doing.

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Meet the Maker: James Ham

Meet the Maker: James Ham

by Roger Alan Skipper

Originally published in American Lutherie #102, 2010



Professional luthier James Ham operates from a shop in Victoria, British Columbia. Though he continues to repair and restore violin-family instruments and bows, he is perhaps best known for his construction of world-class double basses. Mr. Ham is a board member of the Catgut Acoustical Society and a founder of the VSA Festival of Innovation. His time and talents are in great demand, but he graciously found the time to respond to yet another inquiring writer.


You’ve been involved with lutherie for a long time, and you’ve achieved some real success. Your name appears often in the upper echelons of the double bass and cello worlds, where you’re widely known as a superb craftsman and a remarkable innovator. Tell me a bit about how you started.

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It’s All About the Core or How To Estimate Compensation

It’s All About the Core

or How to Estimate Compensation

by Sjaak Elmendorp

Originally published in American Lutherie #104, 2010



Ever since I started playing guitar, I’ve wondered why the saddles in my steel string guitars were set at some magical angle and, more puzzling, why the B string in my Martin D-28 (well, a cheap Japanese replica I have had for forty years now and still outbooms any guitar you want to bring to the bonfire) was about 10% sharp. After having accepted that this was one more quirk of the guitar-building community I had since joined, I got intrigued again when I set out to build a long-scale nylon-string acoustic bass (Photo 1) and, for the life of me, didn’t know what compensation to use.

The physics of the problem is very straightforward, but I found the mathematics employed to date rather inaccessible and the recipe for applying the developed theoretical frameworks not very clear. Given the fact that I once was a practicing physics PhD, I had to assume I wasn’t the only one wrestling with the question. Over the course of a long e-mail conversation with R.M. Mottola, for which I am very grateful, I was beginning to see some light at the end of the tunnel.

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This article is part of the Articles Online featured on our website for Guild members. To view this and other web articles, join the Guild of American Luthiers. Members also receive 3 annual issues of American Lutherie and get discounts on products. For details, visit the membership page.

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