Stone Fuzz

effect pedal project by Roger Mayer

Here's the Stone Fuzz effect pedal project from Roger Mayer.

This project has been described using terms like fuzz, roger mayer, stripboard, and vero and is reportedly verified, meaning many hobbyists have already completed this project and verify that the instructions are without issue.

Beyond the specs and details found on this page, you'll want to check out these stripboard resources too.

Project Resources

Parts List

  • C1
    2u2
  • C2
    100n
  • C3
    1n
  • C4
    22u
  • P1
    2k Drive
  • P2
    50k Volume
  • PT1
    50k
  • R1
    4k7
  • R2
    1M
  • R3
    10k
  • R4
    10k
  • R5
    100k
  • T1
    BC559
  • T2
    BC559
  • U1
    9V

Similar transistors & Potential Alternatives

Can't find an exact match for the recommended transistor in this project within your stash? Or maybe you just feel like experimenting. Use these tables below to get started finding a suitable or otherwise interesting transistor substitution.

There may be 23 alternatives for the BC559 mentioned above in the parts list for this project. These suggestions were derived by considering the original component's hFE, Pol, Ic, Vcb, and Vce values and finding comparables in our database. These alternatives are suggestions for further exploration (fun!) and have not been tested in the context of this project. You can also to suit your preferences.

BC559
more info
ft
75
MHz
hFE
125
β
Ic
0.2
A
Pc
0.3
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
2SA473Y
more info
ft
100
MHz
hFE
120
β
Ic
3
A
Pc
10
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
2SB222A
more info
ft
1
MHz
hFE
120
β
Ic
0.2
A
Pc
0.225
W
Pol
PNP
Tj
85
°C
TranMat
Ge
Vcb
30
V
Vce
25
V
Veb
10
V
Cc
40
pF
BC178A
more info
ft
100
MHz
hFE
120
β
Ic
0.2
A
Pc
0.3
W
Pol
PNP
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
Cc
7
pF
BC178AP
more info
ft
100
MHz
hFE
125
β
Ic
0.2
A
Pc
0.3
W
Pol
PNP
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
Cc
7
pF
BC308-92
more info
ft
100
MHz
hFE
125
β
Ic
0.2
A
Pc
0.5
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
BC308A-92
more info
ft
100
MHz
hFE
125
β
Ic
0.2
A
Pc
0.5
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
BF249-3
more info
ft
25
MHz
hFE
120
β
Ic
0.6
A
Pc
0.4
W
Pol
PNP
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
3
V
Cc
6
pF
BF323-3
more info
ft
150
MHz
hFE
120
β
Ic
0.6
A
Pc
0.4
W
Pol
PNP
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
3
V
CIL158
more info
ft
150
MHz
hFE
125
β
Ic
0.2
A
Pc
0.2
W
Pol
PNP
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
25
V
CIL158A
more info
ft
150
MHz
hFE
125
β
Ic
0.2
A
Pc
0.2
W
Pol
PNP
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
25
V
CL155B
more info
ft
120
MHz
hFE
120
β
Ic
2
A
Pc
0.8
W
Pol
PNP
Tj
125
°C
TranMat
Si
Vcb
30
V
Vce
25
V
CSA719R
more info
ft
200
MHz
hFE
120
β
Ic
0.5
A
Pc
0.625
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
Cc
15
pF
CSB621R
more info
ft
200
MHz
hFE
120
β
Ic
1
A
Pc
0.75
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
Cc
30
pF
DSA7506
more info
ft
150
MHz
hFE
130
β
Ic
3
A
Pc
1
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
11
V
Cc
85
pF
KSA642Y
more info
hFE
120
β
Ic
0.3
A
Pc
0.4
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
KSA1378Y
more info
hFE
120
β
Ic
0.3
A
Pc
0.3
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
KSB564AY
more info
ft
110
MHz
hFE
120
β
Ic
1
A
Pc
0.8
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
Cc
18
pF
KSB810Y
more info
ft
50
MHz
hFE
120
β
Ic
0.7
A
Pc
0.35
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
Cc
17
pF
KSB811Y
more info
ft
110
MHz
hFE
120
β
Ic
1
A
Pc
0.35
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
Cc
18
pF
KT6133B
more info
ft
100
MHz
hFE
120
β
Ic
1.2
A
Pc
1
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
LBC559
more info
ft
75
MHz
hFE
125
β
Ic
0.2
A
Pc
0.3
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V
TBC559
more info
ft
75
MHz
hFE
125
β
Ic
0.2
A
Pc
0.3
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
25
V
Veb
5
V