Akashic Guitar effects PCB lookup
VOLUMECLIPSUSTAINATTACK

125B · 4 knobs

PedalPCB· PCB623

401K Compressor

Based on the Keeley 4 Knob Compressor

Category
Compressor· Dynamics
Controls
Volume · Clip · Sustain · Attack
Price
$12.00in stock
Tags
125B, 125B 4-Knob (Type 1)
Buy the PCB at PedalPCB Build document12/20/23

From the vendor

Controls

• Volume

• Clip

• Sustain

• Attack

Specifications

• Designed for a 125B enclosure with top-mounted jacks

Documentation

Schematic

The schematic is in the vendor's build document, page 3. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 56 rows

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RefValueNormalizedTypeNotes
Resistors 26
R14M74.7MResistor, 1/4W
R210K10kResistor, 1/4W
R3470K470kResistor, 1/4W
R4470K470kResistor, 1/4W
R510K10kResistor, 1/4W
R610K10kResistor, 1/4W
R7390K390kResistor, 1/4W
R81M1MResistor, 1/4W
R91K1kResistor, 1/4W
R10220K220kResistor, 1/4W
R1156K56kResistor, 1/4W
R121K1kResistor, 1/4W
R131M1MResistor, 1/4W
R1415K15kResistor, 1/4W
R1527K27kResistor, 1/4W
R16390K390kResistor, 1/4W
R1710K10kResistor, 1/4W
R18150K150kResistor, 1/4W
R1910K10kResistor, 1/4W
R2010K10kResistor, 1/4W
R211M1MResistor, 1/4W
R221M1MResistor, 1/4W
R2310K10kResistor, 1/4W
R10056K56kResistor, 1/4W
R10127K27kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 17
C1150p150pCeramic capacitor
C210n10nFilm capacitor, 7.2 x 2.5mm
C31u1uElectrolytic capacitor, 5mm
C41u1uElectrolytic capacitor, 5mm
C51u1uFilm capacitor, 7.2 x 5.0mm
C62n22.2nFilm capacitor, 7.2 x 2.5mm
C71u1uElectrolytic capacitor, 5mm
C810n10nFilm capacitor, 7.2 x 2.5mm
C91u1uElectrolytic capacitor, 5mm
C1010u10uElectrolytic capacitor, 5mm
C111n1nFilm capacitor, 7.2 x 2.5mm
C1210n10nFilm capacitor, 7.2 x 2.5mm
C1310n10nFilm capacitor, 7.2 x 2.5mm
C1447n47nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C101100n100nFilm capacitor, 7.2 x 2.5mm
C10210u10uElectrolytic capacitor, 5mm
Diodes 3
D11N9141N914Signal diode, DO-35
D21N9141N914Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
Transistors 5
Q12N39042N3904BJT transistor, NPN TO-92
Q22N39042N3904BJT transistor, NPN TO-92
Q32N39042N3904BJT transistor, NPN TO-92
Q42N39042N3904BJT transistor, NPN TO-92
Q52N39042N3904BJT transistor, NPN TO-92
ICs 1
IC1LM3080LM3080Operational Transconductance AmplifierAlternate: AS3080
Potentiometers 4
VOLUMEB50KB50k16mm right-angle PCB mount pot
CLIPB250KB250k16mm right-angle PCB mount pot
SUSTAINC500KC500k16mm right-angle PCB mount pot
ATTACKC250KC250k16mm right-angle PCB mount pot