Showing posts with label vibrato. Show all posts
Showing posts with label vibrato. Show all posts
Saturday, March 18, 2023
A Very Groovy Steggo - Cloning the Uni-Vibe
The Shin-ei Uni-Vibe is a very early chorus / vibrato pedal first sold in the 1960's. It has been used by many legendary guitarists including Jimi Hendrix, Robin Trower, and David Gilmour. It was marketed as "Vibra-Chorus" the Uni-Vibe uses a series of phasing filters connected to light dependent resistors (LDRs). The LDRs themselves are modulated by a small light bulb whose intensity and rate of pulsation are controllable using the knobs on the effect itself. I'd wanted to do a Uni-Vibe clone for ages, and the PedalPCB board looked very approachable, so I took the plunge!
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