12.5-55 80/20 Bronze

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Half Size
Gauges: 12.5 - 16.5 - 25 - 35 - 45 - 55
80/20 Bronze wound strings are often called old-school, vintage and/or bright bronze and were the most popular (only) alloy used to make acoustic strings until the introduction of phosphor in the early Seventies. 80/20 bronze wire is made from 80 percent copper and 20 percent zinc. 80/20 bronze provides balanced highs and lows with a slight increase in mid-range that seems the make the notes cut-through a little more.
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1 Review

  • 5
    CM 12.5-55 "Half Size" 80/20 Bronze Strings

    Posted by Tom Thrall on 19th Aug 2019

    These strings are absolutely perfect on my 1966 Martin D-18. Standard medium gauge (13-56) string sets were always just a bit too heavy, and light gauge (12-54) sets were always a little floppy. These "Half Size" strings feel just right under my fingers, and the the tone and sustain are excellent. After 53 years I've finally found the right strings!!

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