Posted on March 6, 2024March 7, 2024 by Dale Phillips Ken Parker’s Uncut Personal Take on the Genesis of the American Archtop Guitar Ken Parker’s Uncut Personal Take on the Genesis of the American Archtop Guitar as told to Mike Doolin Published online by Guild of American Luthiers, July 2023 First, let’s note that a well developed, centuries long tradition of plucked, fretted instruments travelled to America from Europe, just like CF Martin did in 1833. He was the key figure in the evolution of the 6-string American guitar, and the importance of his work as a ferocious, persistent, successful instrument inventor cannot be overstated. Although there were other builders who did exceptional work and have had some continuing influence, CF laid the groundwork for the flattop designs we still revere and copy today. There is no analog in the field of archtops, which have kind of stumbled from insult to injury, as I’ll try to explain. It’s my view, and you don’t have to like it, but I’ve been obsessed, and paying a lot of attention for a long time, so I hope you’ll give me your ears. Circa 1890, brilliant oddball Orville Gibson decides to try to improve fretted instruments for his own use as a hobbyist. He played mandolins, which were becoming very popular, and he saw room for improvement and his artistic expression. He didn’t care much about the guitar, and so didn’t make many of them, maybe a dozen, some think even fewer. Orville concentrated his efforts on mandolins and harp guitars. He turned out to be a talented and prolific builder, and was active as a musician and performer. Orville had no training as an instrument maker or woodworker. He grew up on a farm in Western NY state during the second Industrial Revolution, and we all know that farm girls and boys can do a lot with a little. He moved to Kalamazoo, Michigan, a fast growing manufacturing center ripe with opportunities, full of startups and others eager to make their mark in the modern world. He was self-financed, working day gigs as a sales guy in a shoe store, then in a restaurant, whatever it took. Sound familiar? He made a close friend, Thaddeus McHugh, an expert woodworker, who may have had some training in Lutherie. Thad had a great singing voice they performed together. More on this important guy later… Orville was a good musician and although I’m sure he knew about violins, when he designed his arched mandolins and guitars, he followed his own design instincts. Some of his innovations were good, and others… well let’s say there was very little that he took from violin family bowed instrument construction. Become A Member to Continue Reading This Article This article is part of our premium web content offered to Guild members. To view this and other web articles, join the Guild of American Luthiers. Members also receive 4 annual issues of American Lutherie and get discounts on products. For details, visit the membership page. If you are already a member, login for access or contact us to setup your account.
Posted on August 23, 2019March 7, 2024 by Dale Phillips Intonation in the Real World Intonation in the Real World by Mike Doolin from his 2006 GAL Convention lecture previously published in American Lutherie #92, 2007 Getting guitars to play in tune has been a major topic of interest for many years, both for guitar players and guitar makers, and it has been a major source of frustration as well. During our current “Golden Age of Lutherie” the bar has been raised for standards of craft, playability, and tonal quality, as players have become more sophisticated in their expectations and builders have become better educated and more demanding of their own work. Expectations for accurate intonation have come along with all that: it’s no longer acceptable for a guitar to only play in tune for the first five frets, or in a few keys. Modern players are using the whole neck, exploring extended harmonies, and playing in ensembles with other instruments. They are looking for instruments that play in tune with themselves and with the rest of the musical world. It turns out that guitar intonation is a huge can of worms, because it is really two topics: ▶ What does it mean to be “in tune?” ▶ How do I make a guitar do that? Become A Member to Continue Reading This Article This article is part of our premium web content offered to Guild members. To view this and other web articles, join the Guild of American Luthiers. Members also receive 4 annual issues of American Lutherie and get discounts on products. For details, visit the membership page. If you are already a member, login for access or contact us to setup your account.
Posted on July 31, 2019March 7, 2024 by S Mc Herr Helmholtz’ Tube Herr Helmholtz’ Tube by Mike Doolin previously published in American Lutherie #91, 2007 See also, “There’s a Hole in the Bucket” by Cyndy Burton “Sideways” by John Monteleone “Three Holes are Better than One” by Robert Ruck Design innovator Mike Doolin tried an interesting experiment. Mike’s guitars have the distinctive double-cutaway feature and they don’t lend themselves to a port up in the neck/cutaway region for reasons of underlying structure. So Mike put one in the lower bout and very unexpectedly found his Helmholtz resonance had raised something like a major third. He felt that compromised the responses of the guitar. His solution was to “tube it.” The side was ported before I assembled the guitar. After gluing the back on, I realized the change in the Helmholtz when I tapped on the guitar with the port open. It seemed obvious that a shift of a major third up was going to radically change the sound of the guitar, probably killing most of the bass response. I knew that ports in bass reflex speakers are often tubes, where the longer the tube the lower the resonant frequency. I also knew that the tube could be either inside or outside the box. So I initially held a roll of toilet paper against the port, letting the cardboard core of the roll form a tube that extended the port. That dropped the main air resonance back down, showing me that I was on the right track. Then I turned a tube of wood on my lathe to fit the hole and experimented with the length until the air resonance moved less than a half-step with the port closed or open. I recall the port being 1 1/4" in diameter and the tube being about 2 1/4" long, but that’s just from memory. Become A Member to Continue Reading This Article This article is part of our premium web content offered to Guild members. To view this and other web articles, join the Guild of American Luthiers. Members also receive 4 annual issues of American Lutherie and get discounts on products. For details, visit the membership page. If you are already a member, login for access or contact us to setup your account.
