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Guitar Guru: Troubleshooting Unwanted Sounds on Acoustic Guitar

By Dana Bourgeois |This article originally appeared in the April 2014 issue of Acoustic Guitar magazine and was reprinted in the September/October 2020 issue. Q: My 1983 Martin HD-28 has a buzzing or rattling high E string. The rest of the strings sound great. A local fellow worked on the frets and smoothed them…

guitar tops

Ask the Expert: Is It “Right” to Experiment?

Q: What do you feel are the “right” areas to try to improve upon the classic styles? What areas of design must remain true to vintage originals in order to preserve integrity, and what areas have wiggle room for experimentation? On a more personal note, do you still feel challenged…

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guitar glue

Ask the Expert: Do Bonding Agents Affect a Guitar’s Sound?

Q: Why is hot hide glue preferred by some luthiers, while others use synthetic glues, and what are its advantages and disadvantages? —Doug MacKenzie, Cary, North Carolina A: Hide glue, animal glue, and protein colloid glue are names for adhesives made from the connective tissues of various animals. Used by woodworkers…

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wood grain

Ask the Expert: How Much Does Grain Orientation Matter?

Differences between riftsawn, quartersawn, and flatsawn wood can be significant. Stiffness-to-weight ratio, highest when boards are perfectly riftsawn, drops noticeably when a top is cut even slightly different. Velocity of sound—the ability to vibrate efficiently—corresponds closely with stiffness-to-weight ratio.

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binding guitar

Ask the Expert: How Do I Determine the Value of a High-End Guitar?

Q: What exactly is the difference between a “handmade” and a “handcrafted” guitar? Furthermore, in the high-end market, what qualities should a player (not a collector) look for when evaluating the differences between, for example, a $3,500 guitar and a $7,500-plus guitar? —Dan Liechty, Normal, Illinois A: A quick Google…

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western red cedar guitar

Ask the Expert: Can a Soft Top Wood Last as Long as Spruce?

Perhaps because of their lighter weight, cedar and redwood tops tend to “open up,” or break in, relatively quickly. However, unless the builder pays adequate attention to longitudinal stability, cedar and redwood tops sometimes open up beyond a point that many players consider optimal, losing low-end definition as the guitar continues to be played.

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wood logs

Ask the Expert: How are Guitars Voiced?

In my view, the sound of a guitar is primarily attributable to its design and to the individual woods that it’s made from. Voicing is a process of optimizing the interaction between these two variables.