This tube sound fuzz mods circuit is taken from the book of Electronic Projects for Musicians by Craig Andertons. This circuit applies a CD4049 Hex inverter, which consists of six inverting units. Only two are being used in this circuit, so the others are disabled by connecting their inputs to the positive voltage source and leaving the output disconnected. Components with a * are suggested values, substitutions can be made freely within 30%.
This layout also uses various pins than the original schematic diagram for aesthetic purposes, the sound isn’t influenced by these modifications. Layout populated as “Tube sound fuzz”, replace components with “Llama” components if implementing those mods.
Download the circuit diagram, explanation, part list and PCB layout of tube sound fuzz mods from the following link:
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