Akashic Guitar effects circuit lookup
VOLUMETONEDRIVEBRIGHT/DARK (TOGGLE)

125B · 4 knobs

PedalPCB· PCB267

Basstortr Bass Distortion

Based on the Z.Vex Basstortion· 2 other boards clone it

Category
Distortion
Controls
Volume · Tone · Drive · Bright/Dark (Toggle)
Price
$8.00in stock
Tags
125B, Bass
Buy the PCB at PedalPCB Build document1/24/25

From the vendor

Controls

• Volume – Adjust output volume level

• Tone – Adjust treble content

• Drive – Sets the amount of distortion (may crackle)

• Bright/Dark (Toggle) –

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 ZVEX Effects, maker of the ZVEX Effects Basstortion Distortion.

PedalPCB is in no way affiliated with ZVEX Effects.

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 19
R11M1MResistor, 1/4W
R21M1MResistor, 1/4W
R31M1MResistor, 1/4W
R45K15.1kResistor, 1/4W
R5470K470kResistor, 1/4W
R61M1MResistor, 1/4W
R71M1MResistor, 1/4W
R85K15.1kResistor, 1/4W
R9180R180Resistor, 1/4W
R101M1MResistor, 1/4W
R111M1MResistor, 1/4W
R125K15.1kResistor, 1/4W
R13330R330Resistor, 1/4W
R1447K47kResistor, 1/4W
R1582K82kResistor, 1/4W
R1610K10kResistor, 1/4W
R1710K10kResistor, 1/4W
R100100R100Resistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 10
C1100n100nFilm capacitor, 7.2 x 2.5mm
C222n22nFilm capacitor, 7.2 x 2.5mm
C3470p470pCeramic capacitor
C422n22nFilm capacitor, 7.2 x 2.5mm
C5100u100uElectrolytic capacitor, 5mm
C6220n220nFilm capacitor, 7.2 x 5.0mm
C739n39nFilm capacitor, 7.2 x 2.5mm
C83n93.9nFilm capacitor, 7.2 x 2.5mm
C93n93.9nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
Diodes 4
D11N5239B1N5239B / 9V1Zener diode, 9.1V 1/2W
D21N5239B1N5239B / 9V1Zener diode, 9.1V 1/2W
D31N5239B1N5239B / 9V1Zener diode, 9.1V 1/2W
D1001N58171N5817Schottky diode, DO-41
Transistors 3
Q1BS170BS170N-Channel MOSFET
Q2BS170BS170N-Channel MOSFET
Q3BS170BS170N-Channel MOSFET
Potentiometers 3
VOLUMEA100KA100k16mm right-angle PCB mount pot
TONEB100KB100k16mm right-angle PCB mount pot
DRIVEC5KC5k16mm right-angle PCB mount pot
Switches 1
BRIGHTON/ONON/ONToggle switch, SPDT2-position (ON/ON)

Other boards based on the Z.Vex Basstortion