Mandolin String Gauge Guide — Light, Medium and Heavy Sets Compared
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Last Updated on July 11, 2026 by folkstrings
Mandolin String Gauge Guide
Click any set to see who it suits and what it sounds like
| Set | E (high) | A | D | G (low) | Best for |
|---|
How to Choose the Right Mandolin String Gauge
The J74 medium set is the right starting point for most mandolin players on most instruments. It is D’Addario’s best-selling set precisely because it works well across a wide range of playing styles and mandolin types. If you’re not sure, start here and adjust based on experience.
Go lighter if: you find pressing down on strings painful or tiring, you have a vintage mandolin that may not tolerate high tension, or you’re playing swing or jazz styles where a softer, more rounded tone is appropriate.
Go heavier if: you play aggressive bluegrass with a heavy right hand and need more volume and projection, or you find medium strings feel too loose under your pick. The J75 is specifically designed for this style but will feel significantly stiffer — not recommended for beginners.
Note on vintage instruments: If you have an older mandolin, particularly a pre-war Gibson or any instrument with a repaired or reset neck, consult a luthier before changing string gauge significantly. Heavy strings exert considerably more downward pressure on the top than light strings, and the cumulative effect can cause damage to instruments that weren’t built to handle modern heavy tension sets.
For more on mandolin in folk music, see our beginner mandolin buying guide covering the best instruments at each price point.
Author Profile

- Daniel Johnstone is an English writer and folk musician who has been playing stringed instruments for over twenty years. He started on guitar as a teenager before working his way through cavaco, tenor guitar, autoharp, mountain dulcimer, and harp. He founded Folkstrings.com to provide practical, experience-based buying advice for folk instrument players at every level — the kind of guidance he always wished had existed when he was finding his feet.
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