MXR-logo

MXR, is a Rochester, New York-based manufacturer of effects pedals, co-founded in 1972 by Keith Barr and Terry Sherwood and incorporated as MXR Innovations, Inc. in 1974. The MXR trademark is now owned by Jim Dunlop, which continues to produce the original effects units along with new additions to the line. Their official website is MXR.com.

A directory of user manuals and instructions for MXR products can be found below. MXR products are patented and trademarked under the brand Dunlop Manufacturing, Inc.

Contact Info:

Address: P.O. Box 846 Benicia, CA 94510
Phone: (707) 745-2722

MXR EVH-90 Phase Shifter User Manual

Discover the deep, rich phase shifting sound of the MXR EVH-90 Phase Shifter. Read the user manual to learn how to toggle between old-school and modern sounds with the "Script" switch and use the single Speed control to shape your overall sound. Operate it with a 9-volt battery or Dunlop ECB03 adapter.