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The Lace Sensor is a guitar pickup designed by Don Lace and manufactured by AGI (Actodyne General International) since 1985.
This line of electric guitar pickups was used exclusively by Fender from 1987 to 1996.
Lace Sensors are true single-coil pickups; however, internally they are different from classic single coils. The chief difference is that, like the pickups used on the Fender Jaguar, the coil is surrounded by metal barriers which are designed to reduce electro-magnetic interference such as power line hum. According to the manufacturer, these barriers also help concentrate the magnetic field, allowing weaker magnets to be used, which results in less string pull. Less string pull, in turn, means truer pitch and intonation, and superior sustain.
Four types of Lace Sensor pickups for Stratocaster were originally manufactured (denoted with an * following the model name), followed by five newer models, each with a different output rating and tone. Lace Sensors are also available for Telecaster, Precision Bass, Fender Jazz Bass and Jazz Bass V.
A Lace Sensor "Dually" is effectively a double-coil unit combining two Lace Sensor single-coil pickups in a humbucker configuration. Both coils of the pickup are wired individually and left that way, so that the user may choose whether to wire them up as a humbucker, or one of several other ways.
The humbucking Lace Sensors were used as a standard equipment material on the original Jeff Beck Stratocaster, the Telecaster Plus/Deluxe Plus and the Stratocaster Ultra, manufactured by Fender in the early '90s, as well on some Custom Shop models such as the Set Neck and Contemporary Stratocaster guitars.
Usually a humbucker needs to comprise at least two coils with equal output, in order to produce the noise-cancelling effect. Lace Sensors are able to use mismatched coils because as single-coil pickups they are low in noise.
Introduced in 2007, Lace Alumitone pickups feature a new design which is aluminum based, rather than copper. The result is less resistance, higher output coupled to a "current driven design" as opposed to conventional voltage based pickups.
The water-jet-cut aluminum exoskeleton is then matted to a micro winding using 90% less fine copper wire. A low impedance/high impedance pickup is then created.
Sonically, the pickups produce more bass than traditional single coils, more volume, mids are slightly more than conventional pickups. Highs are balanced and articulate.