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VOLUMETONESUSTAIN

125B · 3 knobs

PedalPCB· PCB705

Liquid Crystal Fuzz

Based on the EarthQuaker Devices Chelsea· 2 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Tone · Sustain
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document7/7/25

From the vendor

Controls

• Volume

• Tone

• Sustain

• Tone Bypass (Toggle switch)

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 EarthQuaker Devices, maker of the EarthQuaker Devices Chelsea Low End Fuzz Driver.

PedalPCB is in no way affiliated with EarthQuaker Devices.

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 53 rows

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RefValueNormalizedTypeNotes
Resistors 25
R139K39kResistor, 1/4W
R2100K100kResistor, 1/4W
R3470K470kResistor, 1/4W
R415K15kResistor, 1/4W
R5100R100Resistor, 1/4W
R61K1kResistor, 1/4W
R710K10kResistor, 1/4W
R8100K100kResistor, 1/4W
R9470K470kResistor, 1/4W
R1015K15kResistor, 1/4W
R11100R100Resistor, 1/4W
R1210K10kResistor, 1/4W
R13100K100kResistor, 1/4W
R14470K470kResistor, 1/4W
R1515K15kResistor, 1/4W
R16100R100Resistor, 1/4W
R1739K39kResistor, 1/4W
R1822K22kResistor, 1/4W
R19100K100kResistor, 1/4W
R20390K390kResistor, 1/4W
R2110K10kResistor, 1/4W
R222K22.2kResistor, 1/4W
R231M1MResistor, 1/4W
R24160K160kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 15
C11u1uFilm capacitor, 7.2 x 5.0mm
C2470p470pCeramic capacitor
C368n68nFilm capacitor, 7.2 x 2.5mm
C468n68nFilm capacitor, 7.2 x 2.5mm
C52u22.2uElectrolytic capacitor, 5mm
C6470p470pCeramic capacitor
C7100n100nFilm capacitor, 7.2 x 2.5mm
C82u22.2uElectrolytic capacitor, 5mm
C9560p560pCeramic capacitor
C103n93.9nFilm capacitor, 7.2 x 2.5mm
C1110n10nFilm capacitor, 7.2 x 2.5mm
C12100n100nFilm capacitor, 7.2 x 2.5mm
C131u1uFilm capacitor, 7.2 x 5.0mm
C14100u100uElectrolytic capacitor, 5mm
C15100n100nFilm capacitor, 7.2 x 2.5mm
Diodes 5
D11N40061N4006Standard recovery diode, DO-41
D21N40061N4006Standard recovery diode, DO-41
D31N40061N4006Standard recovery diode, DO-41
D41N40061N4006Standard recovery diode, DO-41
D1001N58171N5817Schottky diode, DO-41
Transistors 4
Q12N39042N3904BJT transistor, NPN TO-92
Q22N39042N3904BJT transistor, NPN TO-92
Q32N39042N3904BJT transistor, NPN TO-92
Q42N50892N5089BJT transistor, NPN TO-92
Potentiometers 3
VOLUMEB10KB10k16mm right-angle PCB mount pot
TONEB100KB100k16mm right-angle PCB mount pot
SUSTAINB100KB100k16mm right-angle PCB mount pot
Switches 1
TONEBYPASS DPDTToggle switch, DPDTTOGGLE SWITCH, DPDT2-position (ON/ON)

Other boards based on the EarthQuaker Devices Chelsea