These strings are made from 92% copper, 7.7% tin, 0.3% phosphorus wire wrapped around tin plated hex shaped steel core wire. They have a light orange, gold color and provide a mellow, ringing sound, with excellent clarity.
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ERNIE BALL Earthwood Acoustic 4-String Bass Strings (2070) 0.0 out of 1 5 based on ratings. user reviews.