Current 42+ Ghs Bright Bronze Acoustic Guitar Strings. Get the best deal for bronze ghs acoustic guitar strings from the largest online selection at ebay.com. Since 1964, ghs strings has been winding electric guitar strings in the southwestern corner of michigan. The 80/20 copper zinc alloy helps retain the richness of your guitar, while adding a crisp sparkle to the. Striking a balance between tradition and innovation, ghs strings is a major manufacturer of strings for electric & acoustic guitars, bass guitar, classical guitar, banjo, mandolin and much more.