Crystal Drive

Based on the EarthQuaker Devices Chrysalis· 5 other boards clone it

Category: Fuzz· OD / Distortion / Fuzz
Controls: Level · Tone · Drive
Price: $8.00in stock
Tags: 125B, 125B 3-Knob (Type 1)

Buy the PCB at PedalPCB Build document1/9/24 Tayda drill template

From the vendor

Controls

• Level – Controls the output volume

• Tone – Controls the tone

• Drive – Controls the amount of gain

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 EarthQuaker Devices, maker of the Chrysalis.

PedalPCB is not 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 29 rows

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Ref	Value	Normalized	Type	Notes
Resistors 11
R1	4K7	4.7k	Resistor, 1/4W
R2	2M2	2.2M	Resistor, 1/4W
R3	2M2	2.2M	Resistor, 1/4W
R4	8K2	8.2k	Resistor, 1/4W
R5	470R	470	Resistor, 1/4W
R6	1K	1k	Resistor, 1/4W
R7	470K	470k	Resistor, 1/4W
R8	47K	47k	Resistor, 1/4W
R9	10K	10k	Resistor, 1/4W
R10	1K	1k	Resistor, 1/4W
CLR	4K7	4.7k	Resistor, 1/4W	* LED current limiting resistor
Capacitors 9
C1	1n	1n	Film capacitor, 7.2 x 2.5mm
C2	100n	100n	Film capacitor, 7.2 x 2.5mm
C3	220n	220n	Film capacitor, 7.2 x 5.0mm
C4	4u7	4.7u	Electrolytic capacitor, 5mm
C5	100p	100p	Ceramic capacitor
C6	4n7	4.7n	Film capacitor, 7.2 x 2.5mm
C7	100n	100n	Film capacitor, 7.2 x 2.5mm
C8	100n	100n	Film capacitor, 7.2 x 2.5mm
C100	100u	100u	Electrolytic capacitor, 5mm
Diodes 4
D1	BAT48	BAT48	Schottky diode, DO-35
D2	BAT48	BAT48	Schottky diode, DO-35
D3	BAT48	BAT48	Schottky diode, DO-35
D100	1N5817	1N5817	Schottky diode, DO-41
Transistors 2
Q1	MPSA18	MPSA18	BJT transistor, NPN TO-92
Q2	MPSA18	MPSA18	BJT transistor, NPN TO-92
Potentiometers 3
LEVEL	A50K	A50k	16mm right-angle PCB mount pot
TONE	B25K	B25k	16mm right-angle PCB mount pot
DRIVE	B50K	B50k	16mm right-angle PCB mount pot

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