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Letter: Use Any Wood You Like

Letter: Use Any Wood You Like

by John Calkin

Originally published in American Lutherie #25, 1991



Dear Tim,

In 1981 I bought a new Alvarez-Yari 6-string, with laminated rosewood back and solid spruce top. Lots of guitars sound as good, but hardly any sound better. Lots of guitars are as playable, but very few play nicer. I’ve worked on or played dozens of high end, exquisitely made guitars and a bunch of vintage pieces, and not one has ever blown me away.

Early in my career I helped do sound at a local folk benefit. Lots of fine talent turned out, sporting a number of classy guitars. But a low-end mahogany Yamaha blew them all away, no contest.

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Letter: Don’t Replace Bridge Plate

Letter: Don't Replace Bridge Plate

by John Higgins

Originally published in American Lutherie #41, 1995



Greetings to All-

As usual, the last issue of the quarterly was filled with loads of good stuff, with useful information available in all the articles. However, I must take exception to the premise of Bryan Galloup’s reason for replacing the bridgeplate on the 1962 D-28. He states he replaced it because “the balls on the string ends have worn all the way through (the plate) and into the top.” Had the top “bellied up” behind the bridge or sunk toward the soundhole, I would say such a repair would be warranted. Since only the ball ends are involved, I feel the better option is to install a piece of quartersawn maple, cut 0.100" thick by 5/8"×2 3/4", onto the existing plate with some yellow glue. When redrilled and slotted, it seats the ball ends properly, as well as pulling the winding back into the pin hole and off the saddle. The small amount of wood added doesn’t seem to affect the tone adversely, but helps due to the windings being off the saddle. Martin recommends this method when only ball-end wear is a factor, and I’ve found it to be very effective.

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Letter: Guitar Dimensions and Harmonics

Letter: Guitar Dimensions and Harmonics

by Joe D. Franklin

Originally published in American Lutherie #66, 2001



GAL Members,

The resonant chamber or soundbox on a guitar is the greater half of its tonal success. If the air enclosed in this box can resonate naturally at some harmonic of the speed of sound, then you have a winner. This is the only part of the guitar that is capable of maintaining polyphony at a level amplitude or volume throughout any given song.

Two designs from the past have met these standards, the 1864 Torres and the 1935 Hauser/Torres, and later the 1943 Hauser that used an inversion on the concept of where the fundamental bass might reside.

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Product Reviews: Acoustech Dynamic Field Pickup

Product Reviews: Acoustech Dynamic Field Pickup

by Harry Fleishman

Originally published in American Lutherie #29, 1992 and Big Red Book of American Lutherie Volume Three, 2004



Acoustech Dynamic Field Pickup
Acoustech
Orangeburg, NY

My first attempt at guitar amplification was an early ’60s DeArmond pickup on my f-hole Gibson acoustic. It attached with little difficulty or damage and sounded great to me at the time. That was 1962 and my expectations were not terribly high. I plugged straight into a portable Wollensak tape recorder and used it as an amp until I got a used Gibson Falcon as a Christmas gift. A few years later, I installed a roundhole DeArmond in my Gibson J-45. Again, it sounded pretty good, all things considered. But all the things I considered didn’t amount to much. What choices did I really have, after all?

Those little contact mikes, which stuck on the face of a guitar, weren’t very good; I learned that soon enough. And the good-sounding microphones were expensive, unwieldy, and restricting. Like many guitarists, I wanted the freedom of movement that a pickup could give. When the first piezo transducer came out, I stuck one on and boogied. By that time, however, I was more sophisticated, more discerning, more caught up in the folk boom, and wanting a pickup that sounded like an acoustic guitar, only louder. The first I tried was the Barcus-Berry. Not too bad if you didn’t mind sounding like you were inside a bucket. The similar piezos weren’t much better. The Hot Dot sounded great to me when it came out. Like many technological improvements, its refinements masked its shortcomings for a while. I probably installed a hundred of them while continuing my search for a better sounding, easier installing pickup for myself and the customers I was attracting to my repair and building business.

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Questions: Weissenborn Guitar

Questions: Weissenborn Guitar

by Marvin E. Shaw

Originally published in American Lutherie #39, 1994

 

Marvin E. Shaw from Gainesville, Florida responds to Bob May’s inquiry regarding his Weissenborn guitar:
Herman W. Weissenborn built koa wood guitars designed for Hawaiian-style playing. He built them from 1916 until his death in 1936. I believe his shop was in Los Angeles, CA. His designs were unique and rather interesting, but apparently were not widely accepted.