5
BIG MUFF PI / HALO FUZZ
Schematic
Besides the pots, no part
values are shown on this
schematic as every variant is
vastly different.
See variant parts lists above
for values.
GN
D
GND
GND
GND
GN
D
GND
GND
GND
D
N
G
D
N
G
GND
GND
100
R
100u
F
1N4001
100kB
100kB
25k
B
100kA
+9V
GND
4k7
IN
+9V
OUT
RPD
R2
R3
R4
6 R
5 R
R7
R8
R9
R10
2 1 R
1 1 R
R13
R14
R15
7 1 R
6 1 R
R18
R19
R20
R21
R22
R23
R24
C1
C2
C3
C4
C7
D1
D2
C5
C6
C8
C9
D4
D3
C10
C
11
C12
C13
C14
D5
C15
3
Q
2
Q
1
Q
Q4
SUS
1
2
3
TON
E
1
2
3
MI
D
1
2
3
VO
L
1
2
3
C10
1
R101
LE
DR
LE
D
SW