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EXP19 is a light top, medium bottom Phosphor Bronze set that that utilizes EXP coating for extended lifespan. Since D'Addario introduced Phosphor Bronze guitar strings in 1974, they have been synonymous with warm and well-balanced acoustic tone.
The string gauges in this acoustic string set include: String Gauges: Plain Steel .012, .016, Phosphor Bronze Wound .025, .035, .045, .056
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