401K Compressor
Revised 12/20/23
CONTROLS AND FEATURES
•
•
•
•
Volume
Clip
Sustain
Attack
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401K Compressor
Copyright © 2023 - PedalPCB.com
Page 1 of 5
401K Compressor
Parts List (Page 1 of 1)
LOCATION
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
R16
R17
R18
R19
R20
R21
R22
R23
R100
R101
CLR
VALUE
4M7
10K
470K
470K
10K
10K
390K
1M
1K
220K
56K
1K
1M
15K
27K
390K
10K
150K
10K
10K
1M
1M
10K
56K
27K
4K7
TYPE
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
Resistor, 1/4W
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C100
C101
C102
150p
10n
1u
1u
1u
2n2
1u
10n
1u
10u
1n
10n
10n
47n
100u
100n
10u
Ceramic capacitor
Film capacitor, 7.2 x 2.5mm
Electrolytic capacitor, 5mm
Electrolytic capacitor, 5mm
Film capacitor, 7.2 x 5.0mm
Film capacitor, 7.2 x 2.5mm
Electrolytic capacitor, 5mm
Film capacitor, 7.2 x 2.5mm
Electrolytic capacitor, 5mm
Electrolytic capacitor, 5mm
Film capacitor, 7.2 x 2.5mm
Film capacitor, 7.2 x 2.5mm
Film capacitor, 7.2 x 2.5mm
Film capacitor, 7.2 x 2.5mm
Electrolytic capacitor, 5mm
Film capacitor, 7.2 x 2.5mm
Electrolytic capacitor, 5mm
D1
D2
D100
1N914
1N914
1N5817
Signal diode, DO-35
Signal diode, DO-35
Schottky diode, DO-41
Q1
Q2
Q3
Q4
Q5
2N3904
2N3904
2N3904
2N3904
2N3904
BJT transistor, NPN TO-92
BJT transistor, NPN TO-92
BJT transistor, NPN TO-92
BJT transistor, NPN TO-92
BJT transistor, NPN TO-92
IC1
LM3080
Operational Transconductance Amplifier
VOLUME
CLIP
SUSTAIN
ATTACK
B50K
B250K
C500K
C250K
16mm right-angle PCB mount pot
16mm right-angle PCB mount pot
16mm right-angle PCB mount pot
16mm right-angle PCB mount pot
401K Compressor
Copyright © 2023 - PedalPCB.com
NOTES
* LED current limiting resistor
Alternate: AS3080
Page 2 of 5
401K Compressor
Schematic Diagram
401K Compressor
Copyright © 2022 - PedalPCB.com
Page 3 of 5
401K Compressor
Wiring Diagram
401K Compressor
Copyright © 2023 - PedalPCB.com
Page 4 of 5
401K Compressor
TJ
K
C
K
PU
A
UT JA
IO M
ER
POTE
POTE
A
C J C
POTE
NT
ET
ER
POTE
ER
IO M
Attack
OT
S WIT
C
H
FO
Sustain
401K Compressor
IO M
Clip
LED
ET
NT
NT
ET
ER
Volume
P
D
IO M
ET
NT
IN
O UT
CK
Drill Template
125B Enclosure
Copyright © 2023 - PedalPCB.com
Page 5 of 5