CORVUS DISTORTION / SUSTAINER
1
PROJECT NAME
BASED ON
EFFECT TYPE
PROJECT SUMMARY
DOCUMENT VERSION
EHX Big Muff Pi (1978 Op-Amp)
The 1978 redesign of the classic Big Muff Pi, using op-amps instead of transistors. Famously used by
Billy Corgan on the Smashing Pumpkins album Siamese Dream.
Fuzz / Distortion
1.0.1 (2021-04-20)
Actual size is 2.3” x 1.86” (main board) and 1.78” x 0.87” (bypass board).
BUILD DIFFICULTY
Easy