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OUTPUTSENSITIVITYATTACK

125B · 3 knobs

PedalPCB· PCB714

Supersquish Compressor

Based on the MXR Super Comp· 1 other board clones it

Category
Compressor· Dynamics
Controls
Output · Sensitivity · Attack
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document4/2/26

From the vendor

Controls

• Output

• Sensitivity

• Attack

Details

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

The company, product and service names used in this web site are for identification purposes only. All trademarks and registered trademarks are the property of their respective owners. This product is not manufactured or distributed by MXR or Dunlop Manufacturing, Inc, maker of the MXR Super Comp. PedalPCB is in no way affiliated with MXR or Dunlop Manufacturing, Inc

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 45 rows

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RefValueNormalizedTypeNotes
Resistors 20
R11M1MResistor, 1/4W
R210K10kResistor, 1/4W
R31M1MResistor, 1/4W
R410K10kResistor, 1/4W
R51M1MResistor, 1/4W
R6470K470kResistor, 1/4W
R71M1MResistor, 1/4W
R816K16kResistor, 1/4W
R915K15kResistor, 1/4W
R10150K150kResistor, 1/4W
R1110K10kResistor, 1/4W
R1210K10kResistor, 1/4W
R131M1MResistor, 1/4W
R1410K10kResistor, 1/4W
R1575K75kResistor, 1/4W
R16300K300kResistor, 1/4W
R171M1MResistor, 1/4W
R10056K56kResistor, 1/4W
R10122K22kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 12
C110n10nFilm capacitor, 7.2 x 2.5mm
C21u1uElectrolytic capacitor, 5mm
C31u1uElectrolytic capacitor, 5mm
C410n10nFilm capacitor, 7.2 x 2.5mm
C51n1nFilm capacitor, 7.2 x 2.5mm
C610u10uElectrolytic capacitor, 5mm
C710n10nFilm capacitor, 7.2 x 2.5mm
C847n47nFilm capacitor, 7.2 x 2.5mm
C910n10nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C101100n100nFilm capacitor, 7.2 x 2.5mm
C10210u10uElectrolytic capacitor, 5mm
Diodes 3
D11N41481N4148Signal diode, DO-35
D21N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
Transistors 5
Q1MPSA18MPSA18BJT transistor, NPN TO-92
Q2MPSA18MPSA18BJT transistor, NPN TO-92
Q3MPSA18MPSA18BJT transistor, NPN TO-92
Q4MPSA18MPSA18BJT transistor, NPN TO-92
Q5MPSA18MPSA18BJT transistor, NPN TO-92
ICs 1
IC1LM13700NLM13700NTransconductance Amplifier[Link]
Potentiometers 3
VOLUMEA47KA47k16mm right-angle PCB mount potSub: A50K
SENSC470KC470k16mm right-angle PCB mount potSub: C500K
ATTACKB100KB100k16mm right-angle PCB mount pot
Trimmers 1
TRIM2K2kTrimmer potentiometer, 3362P type [Link]

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