125B · 3 knobs
PedalPCB· PCB006
Crystal Drive
Based on the EQD Chrysalis
- Category
- Fuzz· OD / Distortion / Fuzz
- Controls
- Level · Tone · Drive
- Price
- $8.00in stock
- Tags
- 125B, 125B 3-Knob (Type 1)
From the vendor
Controls
• Level – Controls the output volume
• Tone – Controls the tone
• Drive – Controls the amount of gain
Specifications
• Designed for a 125B enclosure with top-mounted jacks
Documentation
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
Report a wrong parse| 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 | |