Gibson 60s Burstbucker Double Black, Nickel cover, 2-conductor, Potted, Alnico V, 7.7k ohmsOn the shop floor of the original Gibson plant in Kalamazoo, Michigan, the earliest Gibson Patent Applied For humbuckers were wound using imprecise machines, resulting in pickups with varying degrees of output and tone. The 60s Burstbucker represents Gibson's drive to recapture the magic of the original Patent Applied For humbucker pickups. The Gibson 60s Burstbucker successfully captures the subtle variations of true, classic humbucker tone with