Vulcan Overdrive by Joe Davisson

The Vulcan is a heavy over to distortion by Joe Davisson. Check his Analog Alchemy page for more of his designs. Here’s a discussion of the circuit over at the DIYStompboxes forum.



You can order these boards from PCBWays chared service and build this project for yourself.

https://www.pcbway.com/project/shareproject/Vulcan_Overdrive_Distortion_640f507b.html

Bill of Materials

PartValue
C1100n
C2100n
C3100n
C42n2
C5100n
C6100n
C722µ
C822µ
C922µ
C10100µ
C1147n
D11N914
D21N914
D31N914
D4LED
D51N5817
Q12N5089
Q22N5089
Q32N5089
GAINA1M
VOLUMEA100K
R11M
R21M
R34M7
R410K
R51K
R6470K
R71M
R84M7
R910K
R101K
R11470K
R121M
R134M7
R1410K
R151K
RLED1K-10K (adjust to taste)
Vulcan Parts List
Vulcan Schematic
Wiring for Vulcan PCB
Vulcan Drilling and layout