
Month: February 2018



Boss DR-55 capacitor change to allow use of TC4011B chips..
From a thread on electro-music forum: “The CD4011 is a bit fussy … a few years ago I repaired one of these machines with a […]







From a thread on electro-music forum: “The CD4011 is a bit fussy … a few years ago I repaired one of these machines with a […]
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