125B · 2 knobs
PedalPCB· PCB708
Fumble Boost
Based on the DUMBLE BBC-1 / JHS FUMBLE Boost
- Category
- Boost
- Controls
- Input · Level
- Price
- $10.00in stock
- Tags
- 125B, 125B 2-Knob (Type 1)
From the vendor
Controls
• Input
• Level
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 16 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| R1 | 1M5 | 1.5M | Resistor, 1/4W | |
| R2 | 1M | 1M | Resistor, 1/4W | |
| R3 | 5K6 | 5.6k | Resistor, 1/4W | |
| R4 | 100R | 100 | Resistor, 1/4W | |
| CLR | 4K7 | 4.7k | Resistor, 1/4W | * LED current limiting resistor |
| Capacitors 6 | ||||
| C1 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C2 | 100p | 100p | Ceramic capacitor | |
| C3 | 4u7 | 4.7u | Electrolytic capacitor, 5mm | |
| C4 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C100 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C101 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| Diodes 1 | ||||
| D100 | 1N5817 | 1N5817 | Schottky diode, DO-41 | |
| Transistors 1 | ||||
| Q1 | J309 | J309 | JFET transistor, N-channel | |
| Potentiometers 2 | ||||
| INPUT | B2M | B2M | 16mm right-angle PCB mount pot | |
| LEVEL | B10K | B10k | 16mm right-angle PCB mount pot | |
| Trimmers 1 | ||||
| BIAS | 20K | 20k | Trimmer potentiometer, 3362P type | |