Acoustic Strings

What strings should I use on a 12-string guitar?

Quick Answer

Use a dedicated 12-string set. A 12-string has six pairs of strings: the top two pairs are tuned in unison, and the bottom four are tuned in octaves, so the set includes extra light octave strings that a 6-string set doesn't have.

Twelve strings put much more total load on the neck than six, so 12-string sets are usually gauged on the light side. Some players also tune a 12-string down a half step or more to make it easier to play. If you play an older instrument, check what the maker recommends.

Our acoustic 12-string sets:

  • Phosphor Bronze: .009–.046 (P12946 Extra Light) and .010–.046 (P121046 Light)
  • Golden Bronze 80/20: .009–.046 (GB12946 Extra Light) and .010–.046 (GB121046 Light)
  • Royal Bronze: .010–.046 (RL121046 Light)
  • CRT Coated Phosphor Bronze: .010–.047 (CP121047 Light)

Our electric 12-string sets:

  • Power Wound Nickel: .009–.046 (S12946) and .010–.046 (S121046 Light Plus)
  • Semi-Flat Silencers: .010–.042 (SL404RIC)

The thin octave G string is the one most likely to break. Our plain steel singles start at .008, so you can replace a single string without buying a whole set.

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