Bone Machine

effect pedal project by Paul Trombetta

Here's the Bone Machine effect pedal project from Paul Trombetta.

This project has been described using terms like bone, fuzz, medium, stripboard, trombetta, vero, and wtf 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
    100n
  • C3
    22n
  • C4
    100u
  • C5
    100n
  • C6
    2n2
  • C7
    47p
  • C8
    1n
  • D1
    1N5817
  • D2
    1N4148
  • D3
    1N4148
  • P1
    50k Bore
  • P2
    50k Mood
  • P3
    100k Gain
  • R1
    39k
  • R2
    2k
  • R3
    150k
  • R4
    560k
  • R5
    18k
  • R6
    560k
  • S1
    SPDT
  • S2
    SPDT
  • T1
    2N5088
  • T2
    2N2097A
  • 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 16 alternatives for the 2N5088 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.

2N5088
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.31
W
Pol
NPN
Tj
135
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
3
V
2N5088G
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.625
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
3
V
3DG5088
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.1
A
Pc
0.625
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4.5
V
CMBT5088
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.225
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4.5
V
CMKT5088
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.35
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4.5
V
CMST5088
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.275
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4.5
V
ED1402D
more info
hFE
290
β
Ic
0.05
A
Pc
0.6
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4
V
FMMT5088
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.31
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
3
V
GES5088
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.31
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
3
V
KMBT5088
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.1
A
Pc
0.35
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4.5
V
KST5088
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.35
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4.5
V
MMBT5088
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.3
W
Pol
NPN
Tj
125
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4
V
MMBT5088LT1G
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.225
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4.5
V
NSVMMBT5088LT3G
more info
Cc
4
pF
ft
50
MHz
hFE
300
β
Ic
0.05
A
Pc
0.23
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4.5
V
PMST5088
more info
Cc
4
pF
ft
100
MHz
hFE
300
β
Ic
0.1
A
Pc
0.2
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V
Veb
4.5
V
TMPT5088
more info
Cc
4
pF
hFE
300
β
Ic
0.2
A
Pc
0.225
W
Pol
NPN
Tj
150
°C
TranMat
Si
Vcb
35
V
Vce
30
V