Tech Tip from Mark Lacey: How to Repair a Back Bowed Guitar Neck

(Mark Lacey is an instructor at Guitar Craft Academy Nashville and the owner of Lacey Guitars.) Ideally, a guitar neck should have a small amount of forward relief, approximately 0.008 inch, so that the strings won’t buzz on the frets. Back bow usually occurs when...

Tech Tip from Dave Johnson: Steaming Out the Heel of an OM-18

(Dave Johnson is an instructor at Guitar Craft Academy Nashville and the owner of Scale Model Guitars in Nashville.) I’m currently working on a restoration of a 1931 Martin OM-18 for Carter Vintage Guitars in Nashville. This job will include a...

Tech Tip from Marty Lanham: Stay Humidified

(Marty Lanham is an instructor at Guitar Craft Academy Nashville.) As the summer ends and we prepare for cooler weather, it’s important to pay attention to the effect that heat in our homes can have on acoustic instruments. Low humidity can cause instrument...

Tech Tip from Dave Johnson: Slide Away

(Dave Johnson is an instructor at Guitar Craft Academy Nashville and the owner of Scale Model Guitars in Nashville.) Even after more than a decade as a luthier, I still learn new things here and there where I can’t believe I never knew about them...

Tech Tip from Mark Lacey: Designing a Guitar Body Using Rhinoceros

Most manufacturers and some independent luthiers use CNC machines to build their guitars. The process starts with drawing a design on the computer. My favorite program for doing this is Rhinoceros. Rhino (for short) is a powerful 3-D drafting and rendering program...

Tech Tip: Fretwork

(Greg Voros is the repair shop manager at Gruhn Guitars in Nashville.) One of the first build or repair traits to catch my eye on any steel-stringed instrument is fretwork. Fretwork allows an instrument to look and feel great when it’s played — but it...