CE-2 chorus (original)

effect pedal project by BOSS

Here's the CE-2 chorus (original) effect pedal project from BOSS.

This project has been described using terms like boss, chorus, 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
    47n
  • C2
    470n
  • C3
    1u
  • C4
    6n8
  • C5
    33n
  • C6
    3n3
  • C7
    8n2
  • C8
    33n
  • C9
    33n
  • C10
    3n3
  • C11
    100n
  • C12
    1u
  • C13
    6n8
  • C14
    8n2
  • C15
    10n
  • C16
    220u
  • C17
    47u
  • C18
    47p
  • C19
    100p
  • C20
    470p
  • C21
    470p
  • C22
    100p
  • C23
    100p
  • D1
    1S1588
  • D2
    1S1588
  • D3
    12V ZENER
  • P1
    10k P1
  • P2
    100k Depth
  • P3
    100k Rate
  • Q1
    JRC4558
  • Q2
    TL022
  • Q3
    MN3007
  • Q4
    MN3101
  • R1
    4k7
  • R2
    10k
  • R3
    1M
  • R4
    10k
  • R5
    1k
  • R6
    4k7
  • R7
    47k
  • R8
    4k7
  • R9
    10k
  • R10
    47k
  • R11
    470k
  • R12
    47k
  • R13
    10k
  • R14
    10k
  • R15
    100k
  • R16
    4k7
  • R17
    33k
  • R18
    10k
  • R19
    10k
  • R20
    1M
  • R21
    56k
  • R22
    47k
  • R23
    47k
  • R24
    150k
  • R25
    10k
  • R26
    470R
  • R27
    1M
  • R28
    10k
  • R29
    4k7
  • R30
    10k
  • R31
    100k
  • R32
    10k
  • R33
    330k
  • R34
    33k
  • R35
    47k
  • R36
    10k
  • R37
    2k7
  • R38
    33R
  • R39
    10k
  • R40
    220k
  • S1
    SPST Vibe
  • S2
    SPST Intensity
  • T1
    2N5088
  • T2
    2N5088
  • T3
    2N5088
  • T4
    2N5088
  • T5
    2N5088
  • 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 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