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80/20 bronze

80/20 bronze is 80% copper and 20% zinc (metallurgically a brass). It is the original acoustic winding alloy, still offered by every major brand. WikiStrings has 4 sets in this group: Martin M170, D'Addario EJ11, Elixir 11050, John Pearse 200L. Listen to them below, then switch to a set of another material to hear what the alloy changes.