Here's a Tone Bender Mk. II variation from DAM for Fuzz Friday. Originals use PNP transistors are are positive ground effects, but it could be built with NPN transistors as well (negative ground). This varies from a Mk. II in that there is an added tone control (Flesh), and the fuzz control is a fixed resistor. Schematic here. The perf side of the layout reflects the positive ground orientation of components, and the pcb side the negative ground orientation.
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