Akashic Guitar effects PCB lookup
VOLUMEGAINTONECALIBRE

125B · 4 knobs

PedalPCB· PCB472

Pumbaa Distortion

Based on the ThorpyFX Warthog Distortion

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Gain · Tone · Calibre
Price
$8.00in stock
Buy the PCB at PedalPCB Build document12/15/22

From the vendor

Controls

• Volume

• Gain

• Tone

• Calibre

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 40 rows

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RefValueNormalizedTypeNotes
Resistors 15
R110M10MResistor, 1/4W
R210M10MResistor, 1/4W
R35K15.1kResistor, 1/4W
R41K1kResistor, 1/4W
R5100K100kResistor, 1/4W
R6560R560Resistor, 1/4W
R71K1kResistor, 1/4W
R81K51.5kResistor, 1/4W
R92M22.2MResistor, 1/4W
R101M81.8MResistor, 1/4W
R1110K10kResistor, 1/4W
R12220R220Resistor, 1/4W
R1310K10kResistor, 1/4W
R1410K10kResistor, 1/4W
R1004K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 12
C1100n100nFilm capacitor, 7.2 x 2.5mm
C222n22nFilm capacitor, 7.2 x 2.5mm
C31n1nFilm capacitor, 7.2 x 2.5mm
C44u74.7uElectrolytic capacitor, 5.0mm
C51n1nFilm capacitor, 7.2 x 2.5mm
C633p33pCeramic capacitor
C74u74.7uElectrolytic capacitor, 5.0mm
C83n33.3nFilm capacitor, 7.2 x 2.5mm
C922n22nFilm capacitor, 7.2 x 2.5mm
C101u1uFilm capacitor, 7.2 x 5.0mm
C1147u47uElectrolytic capacitor, 6.3mm
C12100u100uElectrolytic capacitor, 6.3mm
Diodes 6
D19V19V1Zener diode 1/2W, 9.1V
D25mm Red5MM RED5mm Red LED
D35mm Red5MM RED5mm Red LED
D41N41481N4148Signal diode, DO-35
D51N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
Transistors 2
Q1BS170BS170N-Channel MOSFET
Q22N54572N5457JFET transistor, N-channel
ICs 1
IC1OPA604APOPA604APSingle op-amp, DIP8
Potentiometers 4
VOLUMEA100KA100k16mm right-angle PCB mount pot
GAINA100KA100k16mm right-angle PCB mount pot
TONEA100KA100k16mm right-angle PCB mount pot
CALIBREC5KC5k16mm right-angle PCB mount pot