Guitar pickup from Gibson '57 Classic series. By popular demand, Gibson is releasing the first 4-conductor vintage pickup! This ’57 Classic Humbucker features all the same specs at the original, but features 4-conductor wiring for more tone options. You can split the coils and give your Gibson precisely the vintage sound you’re looking for. A pickup with a tone that is “true vintage,” this ’57 Classic delivers a creamy, smooth output that sounds rich and full.