Acoustic Centre Guides

Fretboard radius gets listed on every guitar spec sheet but rarely explained. Here's what it means and how it affects feel.

Even a perfectly set-up guitar won't play flawlessly in tune in every key. Here's the quirk of equal temperament behind it.

Chords sound fine low on the neck but something's off higher up? Here's what intonation is and what causes it to drift.

A neck reset is a significant repair, and the term gets used too casually. Here's what it actually involves and how to tell if you need one.

A sudden jump in action almost always has a clear cause, and it's usually humidity. Here's where to look.

Even a guitar fresh from a respected manufacturer can benefit from a setup. Here's why.

Fret buzz almost always has a specific, findable cause. Here's how to work out what's actually going on.

What frets actually do, how their size affects feel, and what fret wear means for your playing.

The truss rod does a huge amount of work without ever being seen. Here's what it is and why your guitar needs one.

The signs it's time for a fresh set, roughly how often to change, and how to minimise string breakage.

What actually determines string tension, and why it matters for how a guitar feels and sounds.

Drop D, Open D, Open G and DADGAD explained, plus a setup tip if you play in Drop D regularly.

Understanding the octave and unison string pairs is the key to tuning a 12-string guitar properly.

How standard tuning works, and a few reliable ways to get there with or without an electronic tuner.

A plain-English guide to string materials, coatings and gauges, and what actually matters when choosing a set.