125B · 5 knobs
PedalPCB· PCB515
Crystal Lettuce Overdrive (Black Edition)
Based on the British Pedal Co Dumble Blackface Overdrive Special
- Category
- Preamp / Amp-in-a-box· Preamps
- Controls
- Gain · Dynamic · Tone · Volume · Boost
- Price
- $12.00in stock
- Tags
- 125B
From the vendor
Controls
• Gain
• Dynamic
• Tone
• Volume
• Boost (Toggle switch)
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 27 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| R1 | 2M2 | 2.2M | Resistor, 1/4W | |
| R2 | 3K9 | 3.9k | Resistor, 1/4W | |
| R3 | 2M2 | 2.2M | Resistor, 1/4W | |
| R4 | 470K | 470k | Resistor, 1/4W | |
| R5 | 1K | 1k | Resistor, 1/4W | |
| R6 | 10K | 10k | Resistor, 1/4W | |
| R7 | 10K | 10k | Resistor, 1/4W | |
| R8 | 1K | 1k | Resistor, 1/4W | |
| R100 | 10K | 10k | Resistor, 1/4W | |
| R101 | 10K | 10k | Resistor, 1/4W | |
| CLR | 4K7 | 4.7k | Resistor, 1/4W | * LED current limiting resistor |
| Capacitors 9 | ||||
| C1 | 10n | 10n | Film capacitor, 7.2 x 2.5mm | |
| C2 | 220n | 220n | Film capacitor, 7.2 x 5.0mm | |
| C3 | 470n | 470n | Film capacitor, 7.2 x 5.0mm | |
| C4 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C5 | 100p | 100p | Ceramic capacitor | |
| C6 | 3n3 | 3.3n | Film capacitor, 7.2 x 2.5mm | |
| C7 | 470n | 470n | Film capacitor, 7.2 x 5.0mm | |
| C100 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C101 | 47u | 47u | Electrolytic capacitor, 5mm | |
| Diodes 1 | ||||
| D100 | 1N5817 | 1N5817 | Schottky diode, DO-41 | |
| ICs 1 | ||||
| IC1 | TL072 | TL072 | Dual op-amp, DIP8 | |
| Potentiometers 4 | ||||
| VOLUME | A100K | A100k | 16mm right-angle PCB mount pot | |
| GAIN | B1M | B1M | 16mm right-angle PCB mount pot | |
| TONE | B50K | B50k | 16mm right-angle PCB mount pot | |
| DYNAMIC | B10K | B10k | 16mm right-angle PCB mount pot | |
| Switches 1 | ||||
| GAIN_SW | ON/ON | ON/ON | Toggle switch, SPDT | 2-position (ON/ON) |