Bass boost

effect pedal project by Hornby Skewes

Here's the Bass boost effect pedal project from Hornby Skewes.

This project has been described using terms like bass, booster, hornby skewes, and stripboard 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
    100n
  • C2
    125u
  • C3
    100n
  • C4
    100n
  • R1
    1k
  • R2
    62k
  • R3
    3k9
  • R4
    10k
  • R5
    10k
  • R6
    1k
  • T1
    2N3702
  • 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 28 alternatives for the 2N3702 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.

2N3702
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
2N3154
more info
ft
0.15
MHz
hFE
60
β
Ic
3
A
Pc
38
W
Pol
PNP
Tj
100
°C
TranMat
Ge
Vcb
40
V
Vce
25
V
Veb
30
V
2N3613
more info
ft
0.3
MHz
hFE
60
β
Ic
15
A
Pc
77
W
Pol
PNP
Tj
110
°C
TranMat
Ge
Vcb
40
V
Vce
25
V
Veb
20
V
2N5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
BC181
more info
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.3
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
BC381
more info
Cc
10
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.625
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
FMMT5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
GC181
more info
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.3
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
GES5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
MMBT3702
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.8
A
Pc
0.35
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
MMBT5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
MP3613
more info
ft
0.3
MHz
hFE
60
β
Ic
15
A
Pc
77
W
Pol
PNP
Tj
110
°C
TranMat
Ge
Vcb
40
V
Vce
25
V
Veb
20
V
MP5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
MPQ5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
MPS3702
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.625
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
MPS5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
MQ5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
NKT3702
more info
Cc
10
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.3
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
NPS3702
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.625
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
NPS5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
PN3702
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.625
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
PN5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
TIS03
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
TN3702
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.625
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V
TN5447
more info
Cc
12
pF
ft
100
MHz
hFE
60
β
Ic
0.2
A
Pc
0.36
W
Pol
PNP
Tj
150
°C
TranMat
Si
Vcb
40
V
Vce
25
V
Veb
5
V