L500 C While the Keystones’ recipe are

While the Keystones’ recipe are based on Bill’s research of the best examples of early ‘60s pickups

can give you the widest variety of sounds

The L90’s high performance design was Bill's reinvention of the humbucker for unsurpassed clarity and versatility while preserving the smooth attack quality players enjoyed from PAFs of the era

All tele models blend and balance well with each other and in various combinations

L500 C While the Keystones’ recipe areIn 1976, Bill released the original twin blade L90 to eliminate the response losses and excess noise created by the design and production shortcomings common among traditional humbuckers while keeping their smooth attack character. While the L90 introduced an unsurpassed clarity and versatility, Bill saw the emergence of genres and styles that demanded an even greater need for maintaining clarity under increasingly high levels of gain and drive. By