Akashic Guitar effects circuit lookup
VOLUMEFUZZBASSBIASTREBLE

125B · 5 knobs

PedalPCB· PCB463

Trademark Fuzz

Based on the Keeley Fuzz Bender· 3 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Fuzz · Bass · Bias · Treble
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document1/8/25

From the vendor

Controls

• Volume

• Fuzz

• Bass

• Bias

• Treble

Details

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

The company, product and service names used in this web site are for comparative purposes only. All trademarks and registered trademarks are the property of their respective owners. This product is not manufactured or distributed by Keeley Electronics, maker of the Keeley Electronics Fuzz Bender.

PedalPCB is in no way affiliated with Keeley Electronics.

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 51 rows

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RefValueNormalizedTypeNotes
Resistors 23
R11M1MResistor, 1/4W
R2220K220kResistor, 1/4W
R347K47kResistor, 1/4W
R43K33.3kResistor, 1/4W
R510K10kResistor, 1/4W
R63K33.3kResistor, 1/4W
R71K1kResistor, 1/4W
R8180K180kResistor, 1/4W
R94K74.7kResistor, 1/4W
R1010K10kResistor, 1/4W
R1147K47kResistor, 1/4W
R1247K47kResistor, 1/4W
R1310K10kResistor, 1/4W
R1410K10kResistor, 1/4W
R15180K180kResistor, 1/4W
R1622K22kResistor, 1/4W
R17100K100kResistor, 1/4W
R182K42.4kResistor, 1/4W
R192K42.4kResistor, 1/4W
R2022K22kResistor, 1/4W
R10010K10kResistor, 1/4W
R10110K10kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 15
C1100n100nFilm capacitor, 7.2 x 2.5mm
C2150p150pCeramic capacitor
C3220n220nFilm capacitor, 7.2 x 5.0mm
C410u10uElectrolytic capacitor, 5mm
C52n22.2nFilm capacitor, 7.2 x 2.5mm
C62n22.2nFilm capacitor, 7.2 x 2.5mm
C7100n100nFilm capacitor, 7.2 x 2.5mm
C847n47nFilm capacitor, 7.2 x 2.5mm
C910n10nFilm capacitor, 7.2 x 2.5mm
C10220n220nFilm capacitor, 7.2 x 5.0mm
C11150p150pCeramic capacitor
C12220n220nFilm capacitor, 7.2 x 5.0mm
C100100u100uElectrolytic capacitor, 5mm
C10110u10uElectrolytic capacitor, 5mm
C102100u100uElectrolytic capacitor, 5mm
Diodes 2
D11N34A1N34AGermanium diode
D1001N58171N5817Schottky diode, DO-41
Transistors 3
Q12N64282N6428BJT transistor, NPN TO-92Link
Q22N64282N6428BJT transistor, NPN TO-92
Q32SD3522SD352Germanium transistor, NPN
ICs 3
IC1RC4558RC4558Dual op-amp, DIP8
IC2RC4558RC4558Dual op-amp, DIP8
IC3TC1044SCPATC1044SCPACharge pump IC, DIP8
Potentiometers 5
VOLUMEA100KA100k16mm right-angle PCB mount pot
FUZZB100KB100k16mm right-angle PCB mount pot
BASSB100KB100k16mm right-angle PCB mount pot
TREBLEB100KB100k16mm right-angle PCB mount pot
BIASA250KA250k16mm right-angle PCB mount pot, dual* Dual gang potentiometer

Other boards based on the Keeley Fuzz Bender