RR GUITAR SHOP

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Guides on used guitars, setups and repairs — from the RR Guitar Shop workbench in Caldas da Rainha.

Why does my guitar go out of tune? Causes and fixes

Luthieria · 12 October 2026

Why does my guitar go out of tune? Causes and fixes

Drifting out of tune or only up the neck? Learn the causes (strings, tuners, nut, bridge, intonation) and what you can fix at home.

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Crackling pot and a noisy guitar jack: causes and fixes

Guias · 5 October 2026

Crackling pot and a noisy guitar jack: causes and fixes

Why guitar pots crackle and jacks cut out or lose signal: common causes, a safe at-home fix and when to call a luthier.

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Why does my guitar buzz (fret buzz)? Causes and fixes

Manutenção · 30 September 2026

Why does my guitar buzz (fret buzz)? Causes and fixes

A practical guide to why your guitar buzzes, how to diagnose the cause by buzz location, and what to adjust at home versus bring to a luthier.

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Switching to Heavier Gauge Strings: What Changes in Setup

Luthieria · 29 September 2026

Switching to Heavier Gauge Strings: What Changes in Setup

Heavier strings change tension, neck relief and the nut — learn what to check at home and when to call a luthier.

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Copper tape shielding: is it worth it for your guitar?

Luthieria · 24 September 2026

Copper tape shielding: is it worth it for your guitar?

What copper tape shielding actually fixes (and doesn't) in your guitar or bass cavities, and how to do it properly.

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How to choose a used guitar (a practical guide)

Guitarras usadas · 24 September 2026

How to choose a used guitar (a practical guide)

What to check before buying a second-hand guitar: neck, frets, electronics and the value of a professional setup.

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