Switches

Optocouplers

Optocouplers transfer electrical signals between isolated circuits through light, allowing isolation of high voltages from lower voltages.
Switch - Vibrato LDR, for FenderĀ® Amps
Optocoupler. Vibrato LDR for Fender Amps. Fix the dead LDR-style tremolo on your vintage Fender amps as well as others.
  • Non-polarized optical side is indicated by silver dot and slightly longer leads
  • Resistive side is indicated only by slightly shorter leads
  • This neon lamp optocoupler is commonly referred to as a roach
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Optocoupler - XVive, VTL5C1, Vactrol, for Channel Switching
VTL5C1 vactrols for use in amplifiers, effect pedals, synthesizers and more. The VTL5C1 was commonly used for channel switching circuits in amps made by Crate and others.
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Optocoupler - Xvive, Vactrol, VTL5C Series
High quality vactrols from Xvive. The Xvive vactrols are clones of the original Excelitas / Perkins-Elmer vactrols used in many effects pedals, synthesizers, compressors and other equipment. These vactrols feature a thick epoxy sealed casing. The VTL5C3 and VTL5C3/2 both have a steep slope, good dynamic range, a very low temperature coefficient of resistance, and a small light history memory.
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