Akashic Guitar effects circuit lookup
VOLUMEGAINBASSTREBLE

125B · 4 knobs

PedalPCB· PCB549

Projectile Overdrive

Based on the Walrus Audio 385 Overdrive· 2 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Gain · Bass · Treble
Price
$12.00in stock
Buy the PCB at PedalPCB Build document7/27/23

From the vendor

Controls

• Volume

• Gain

• Treble

• Bass

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 Walrus Audio, maker of the Walrus Audio 385 Overdrive.

PedalPCB is not affiliated with Walrus Audio.

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 16
R133K33kResistor, 1/4W
R21M1MResistor, 1/4W
R32K22.2kResistor, 1/4W
R433K33kResistor, 1/4W
R5470K470kResistor, 1/4W
R61K1kResistor, 1/4W
R710K10kResistor, 1/4W
R84K74.7kResistor, 1/4W
R939K39kResistor, 1/4W
R105K15.1kResistor, 1/4W
R114K74.7kResistor, 1/4W
R121M1MResistor, 1/4W
R131K51.5kResistor, 1/4W
R1415K15kResistor, 1/4W
R1515K15kResistor, 1/4W
R1004K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 14
C122n22nFilm capacitor, 7.2 x 2.5mm
C2560n560nFilm capacitor, 7.2 x 5.0mm
C3100n100nFilm capacitor, 7.2 x 2.5mm
C410n10nFilm capacitor, 7.2 x 2.5mm
C5100n100nFilm capacitor, 7.2 x 2.5mm
C610n10nFilm capacitor, 7.2 x 2.5mm
C7560n560nFilm capacitor, 7.2 x 5.0mm
C822n22nFilm capacitor, 7.2 x 2.5mm
C92n22.2nFilm capacitor, 7.2 x 2.5mm
C102n22.2nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C10110u10uElectrolytic capacitor, 5mm� 25V Minimum
C10210u10uElectrolytic capacitor, 5mm� 25V Minimum
C103100n100nFilm capacitor, 7.2 x 2.5mm
Diodes 3
D1001N58171N5817Schottky diode, DO-41
D1011N41481N4148Signal diode, DO-35
D1021N41481N4148Signal diode, DO-35
Transistors 4
Q1J201J201JFET transistor, N-channel
Q2J201J201JFET transistor, N-channel
Q3J201J201JFET transistor, N-channel
Q4J201J201JFET transistor, N-channel
ICs 1
IC100TC1044SCPATC1044SCPACharge pump IC, DIP8
Potentiometers 4
VOLUMEA100KA100k16mm right-angle PCB mount pot
GAINA1MA1M16mm right-angle PCB mount pot
BASSB100KB100k16mm right-angle PCB mount pot
TREBLEB100KB100k16mm right-angle PCB mount pot
Trimmers 3
TRIM1100K100kTrimmer potentiometer, 3362P type
TRIM2100K100kTrimmer potentiometer, 3362P type
TRIM3100K100kTrimmer potentiometer, 3362P type

Other boards based on the Walrus Audio 385 Overdrive