1966

effect pedal project by Dr. Tony Balls

Here's the 1966 effect pedal project from Dr. Tony Balls.

This project has been described using terms like black arts, colorsound, dam, fuzz, 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
    220p
  • C2
    220n
  • C3
    47u
  • C4
    22u
  • C5
    6n8
  • P1
    500k Volume
  • R1
    1k
  • R2
    10k
  • R3
    47k
  • R4
    1k
  • R5
    8k2
  • T1
    BC107
  • T1 (Alt)
    BC108
  • T2
    BC107
  • T2 (Alt)
    BC108
  • U1
    9V

Similar transistors & Potential Alternatives

Can't find an exact match for the recommended transistors 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 132 alternatives for the BC107 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. The first 25 alternatives are shown below in alphabetical order by partnumber. See the to suit your preferences.

BC107
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
2PB601AQ
more info
Cc
4.5
pF
ft
200
MHz
hFE
110
β
Ic
0.1
A
Pc
0.5
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
2PB601Q
more info
Cc
4.5
pF
ft
200
MHz
hFE
110
β
Ic
0.1
A
Pc
0.5
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
847AT
more info
Cc
6
pF max
ft
300
MHz typ
hFE
110
β
Ic
0.1
A
Pc
0.15
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
850AT
more info
Cc
6
pF max
ft
300
MHz typ
hFE
110
β
Ic
0.1
A
Pc
0.15
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
5
V
9003
more info
Cc
4.5
pF
ft
200
MHz
hFE
110
β
Ic
0.1
A
Pc
0.5
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
9010
more info
Cc
4.5
pF
ft
200
MHz
hFE
110
β
Ic
0.1
A
Pc
0.5
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
9022
more info
Cc
4.5
pF
ft
200
MHz
hFE
110
β
Ic
0.1
A
Pc
0.5
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
A747A
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.2
A
Pc
0.25
W
Pol
NPN
Tj
125
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
AD-BC847-A
more info
Cc
4.5
pF
ft
100
MHz
hFE
110
β
Ic
0.1
A
Pc
0.2
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC107A
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC107AP
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC107AQ
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC107CSM
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC107P
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC107QF
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.1
A
Pc
1.2
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC147
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.2
A
Pc
0.25
W
Pol
NPN
Tj
125
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC147A
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.2
A
Pc
0.25
W
Pol
NPN
Tj
125
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC237
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
125
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC237A
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
125
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC237AP
more info
Cc
5
pF
ft
150
MHz
hFE
110
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
125
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC267A
more info
Cc
12
pF
ft
150
MHz
hFE
110
β
Ic
1
A
Pc
0.375
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC317
more info
Cc
4
pF
ft
100
MHz
hFE
110
β
Ic
0.15
A
Pc
0.31
W
Pol
NPN
Tj
135
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC317A
more info
Cc
4
pF
ft
100
MHz
hFE
110
β
Ic
0.15
A
Pc
0.31
W
Pol
NPN
Tj
135
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
6
V
BC347A
more info
Cc
4
pF
ft
125
MHz
hFE
110
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
135
°C
TranMat
Si
Vcb
50
V
Vce
45
V
Veb
5
V

There may be 33 alternatives for the BC108 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. The first 25 alternatives are shown below in alphabetical order by partnumber. See the to suit your preferences.

BC108
more info
Cc
5
pF
ft
150
MHz
hFE
120
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
2SC350
more info
Cc
12
pF
ft
90
MHz
hFE
125
β
Ic
0.1
A
Pc
0.2
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
2SC350A
more info
Cc
12
pF
ft
90
MHz
hFE
125
β
Ic
0.1
A
Pc
0.2
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
2SC350B
more info
Cc
12
pF
ft
90
MHz
hFE
125
β
Ic
0.1
A
Pc
0.2
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
2SC350H
more info
Cc
12
pF
ft
90
MHz
hFE
125
β
Ic
0.1
A
Pc
0.2
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
2SC5001
more info
Cc
220
pF
ft
150
MHz
hFE
120
β
Ic
10
A
Pc
1
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
6
V
2SD1962M
more info
hFE
120
β
Ic
5
A
Pc
0.3
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
20
V
8050S
more info
Cc
9
pF
ft
100
MHz
hFE
120
β
Ic
0.7
A
Pc
1
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
A158
more info
Cc
5
pF
ft
150
MHz
hFE
125
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
A158A
more info
Cc
5
pF
ft
150
MHz
hFE
125
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
AV8050S
more info
Cc
9
pF
ft
100
MHz
hFE
120
β
Ic
0.7
A
Pc
1
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
BC108A
more info
Cc
5
pF
ft
150
MHz
hFE
120
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
BC108AP
more info
Cc
5
pF
ft
150
MHz
hFE
120
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
BC108P
more info
Cc
5
pF
ft
150
MHz
hFE
120
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
BC109A
more info
Cc
5
pF
ft
150
MHz
hFE
120
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
BC109P
more info
Cc
5
pF
ft
150
MHz
hFE
120
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
BC238-92
more info
Cc
4.5
pF
hFE
125
β
Ic
0.2
A
Pc
0.5
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
BC238A-92
more info
Cc
4.5
pF
hFE
125
β
Ic
0.2
A
Pc
0.5
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
BC268
more info
Cc
12
pF
ft
150
MHz
hFE
125
β
Ic
1
A
Pc
0.375
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
6
V
BC386A
more info
Cc
5
pF
ft
150
MHz
hFE
125
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
6
V
BC468
more info
Cc
3.5
pF
ft
200
MHz
hFE
120
β
Ic
0.1
A
Pc
0.22
W
Pol
NPN
Tj
125
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
BC468A
more info
Cc
3.5
pF
ft
200
MHz
hFE
120
β
Ic
0.1
A
Pc
0.22
W
Pol
NPN
Tj
125
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
BCAP08
more info
Cc
6
pF
ft
150
MHz
hFE
125
β
Ic
0.1
A
Pc
0.3
W
Pol
NPN
Tj
175
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V
DT1520
more info
ft
2
MHz
hFE
120
β
Ic
0.3
A
Pc
0.8
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
6
V
ED8050C
more info
Cc
1.7
pF
ft
100
MHz
hFE
120
β
Ic
1.5
A
Pc
0.3
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
30
V
Vce
20
V
Veb
5
V