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DiMarzio, Inc. (original name: DiMarzio Musical Instrument Pickups, Inc.) is a United States manufacturer best known for its direct-replacement guitar pickups. The company also produces miscellaneous guitar accessories, such as cables, straps and hardware.
DiMarzio became known for its Super Distortion model, which was the first after-market replacement guitar pickup. It was introduced in 1972  and is still one of the most popular models.
The Super Distortion pickup produced a higher electrical output than the pickups normally fitted as standard to guitars at the time. It has around twice the output of a PAF-type pickup, and stronger ceramic magnets. This drove the input stage of guitar amplifiers with roughly twice as much voltage as a PAF pickup, so that an overdriven distorted sound was easier to obtain.
Two of the technologies that they are known for are: