MXRMXR is a manufacturer of effect pedals based out of Rochester, New York. Their pedals are known for their utilitarian designs and rugged stompboxes.
Optocoupler - Vactec, VTL5C1, Vactrol, New Old Stock
New old stock Vactec VTL5C1 vactrols from Perkin Elmer Optoelectronics. These premium vactrols are a great choice for use in phasers, compressors, tremolos, and synth modules such as low-pass gates. They are also used in switching circuits in amplifiers. Limited quantities are available.
Switch - Dunlop, Footswitch, DPDT, Solder Lugs, for MXR
Dunlop® Electronic Components DPDT latching footswitch with solder lugs for MXR, Cry Baby, and other effects pedals.