Aron Nelson's Stompbox Pages - The best collection of effects schematics on the Internet. Check here first for schematics.
Effectronics - Large collection of vintage effects schematics
Small Bear Electronics - Home of the Wild Mouse EQ and Fuzz face clone biasing. Specialty electronic parts supplier for homebrew hard to find components
Frank Clarke - Blues Breaker mods, Fet Muff Plus modification of the AMZ Fet Muff, Hot Harmonics, Rangemaster notes, Screamtendo 64, Stack-in-the-box mods
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