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SENSITIVITYBIASRESONANCEDECAY

125B · 4 knobs

PedalPCB· PCB597

Poison Apple Auto-Wah

Based on the Mad Professor Snow White AutoWah

Category
EQ / Filter
Controls
Sensitivity · Bias · Resonance · Decay
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document11/12/23

From the vendor

Controls

• Sensitivity

• Bias

• Resonance

• Decay

Specifications

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

Documentation

Schematic

The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 58 rows

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RefValueNormalizedTypeNotes
Resistors 30
R11M1MResistor, 1/4W
R210K10kResistor, 1/4W
R31M1MResistor, 1/4W
R410K10kResistor, 1/4W
R55K15.1kResistor, 1/4W
R6330R330Resistor, 1/4W
R76K86.8kResistor, 1/4W
R8330R330Resistor, 1/4W
R94K74.7kResistor, 1/4W
R106K86.8kResistor, 1/4W
R11330R330Resistor, 1/4W
R12330R330Resistor, 1/4W
R134K74.7kResistor, 1/4W
R141K1kResistor, 1/4W
R154K74.7kResistor, 1/4W
R166K86.8kResistor, 1/4W
R1747K47kResistor, 1/4W
R1822K22kResistor, 1/4W
R1922K22kResistor, 1/4W
R2022K22kResistor, 1/4W
R2110K10kResistor, 1/4W
R224M74.7MResistor, 1/4W
R23330R330Resistor, 1/4W
R244K74.7kResistor, 1/4W
R257K57.5kResistor, 1/4W
R266K86.8kResistor, 1/4W
R274M74.7MResistor, 1/4W
R10047K47kResistor, 1/4W
R10147K47kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 12
C122n22nFilm capacitor, 7.2 x 2.5mm
C21u1uElectrolytic capacitor, 5mm
C322n22nFilm capacitor, 7.2 x 2.5mm
C41u1uElectrolytic capacitor, 5mm
C5220n220nFilm capacitor, 7.2 x 5.0mm
C668n68nFilm capacitor, 7.2 x 2.5mm
C78n28.2nFilm capacitor, 7.2 x 2.5mm
C81u1uElectrolytic capacitor, 5mm
C9100n100nFilm capacitor, 7.2 x 2.5mm
C10100n100nFilm capacitor, 7.2 x 2.5mm
C1122n22nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
Diodes 5
D11N41481N4148Signal diode, DO-35
D21N41481N4148Signal diode, DO-35
D31N58171N5817Schottky diode, DO-41
D41N40041N4004Standard recovery diode, DO-41� SEE NOTE ON PAGE 1
D1001N58171N5817Schottky diode, DO-41
Transistors 3
Q12N54572N5457JFET transistor, N-channel
Q2BC550BC550BJT transistor, NPN TO-92
Q3BC550BC550BJT transistor, NPN TO-92
ICs 4
IC1LM13700LM13700Dual OTA, DIP16
IC2LM358LM358Dual op-amp, DIP8
IC3LM358LM358Dual op-amp, DIP8
IC4L78L05L78L05Voltage regulator, +5V
Potentiometers 4
SENSB100KB100k16mm right-angle PCB mount pot
BIASB50KB50k16mm right-angle PCB mount pot
RESB50KB50k16mm right-angle PCB mount pot
DECAYC1MC1M16mm right-angle PCB mount pot