Aphex Systems 103 Aural Exciter Type C

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The Aphex aural exciter was one of the first exciter effects. The aural exciter adds phase shift and musically related synthesized harmonics to audio signals. The first Aural Exciter units were available in 1975. In the 1970s, certain recording artists, including Anne Murray, Neil Diamond, Jackson Browne, The Four Seasons, Olivia Newton-John, Linda Ronstadt and James Taylor stated in their liner notes "This album was recorded using the Aphex Aural Exciter." Aphex introduced two low-cost models: Type B and Type C. The Aural Exciter circuit is now licensed by several manufacturers. 

The Aural Exciter adds phase shift and musically related synthesized harmonics to audio signals. Together the dynamics processor and time delay create sustained bass frequencies that are perceived as being louder yet do not noticeably increase peak output.