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Phosphor bronze

Phosphor bronze is a copper alloy, roughly 92% copper and 8% tin with a small amount of phosphorus, wound around a steel core. It is the most common winding alloy for acoustic guitar strings today. WikiStrings has 9 sets in this group: Martin MA540, Martin MA540T, Martin MA540FX, Martin MA530S, Martin MEC12, D'Addario XT Phosphor Bronze, DR DSA-12, DR RPM-12, Dogal RC148D. Listen to them below, then switch to a set of another material to hear what the alloy changes.