125B · 2 knobs
From the vendor
Controls
• Level
• Drive
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 36 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 18 | ||||
| R1 | 1M | 1M | Resistor, 1/4W | |
| R2 | 1K | 1k | Resistor, 1/4W | |
| R3 | 470K | 470k | Resistor, 1/4W | |
| R4 | 10K | 10k | Resistor, 1/4W | |
| R5 | 100K | 100k | Resistor, 1/4W | |
| R6 | 4K7 | 4.7k | Resistor, 1/4W | |
| R7 | 33K | 33k | Resistor, 1/4W | |
| R8 | 10K | 10k | Resistor, 1/4W | |
| R9 | 10K | 10k | Resistor, 1/4W | |
| R10 | 10K | 10k | Resistor, 1/4W | |
| R11 | 4K7 | 4.7k | Resistor, 1/4W | |
| R12 | 1M | 1M | Resistor, 1/4W | |
| R13 | 10K | 10k | Resistor, 1/4W | |
| R14 | 1K | 1k | Resistor, 1/4W | |
| R15 | 100K | 100k | Resistor, 1/4W | |
| R100 | 33K | 33k | Resistor, 1/4W | |
| R101 | 33K | 33k | Resistor, 1/4W | |
| CLR | 4K7 | 4.7k | Resistor, 1/4W | * LED current limiting resistor |
| Capacitors 9 | ||||
| C1 | 47n | 47n | Film capacitor, 7.2 x 2.5mm | |
| C2 | 4n7 | 4.7n | Film capacitor, 7.2 x 2.5mm | |
| C3 | 47n | 47n | Film capacitor, 7.2 x 2.5mm | |
| C4 | 18n | 18n | Film capacitor, 7.2 x 2.5mm | |
| C5 | 1u | 1u | Electrolytic capacitor, 5mm | |
| C6 | 47n | 47n | Film capacitor, 7.2 x 2.5mm | |
| C7 | 1u | 1u | Electrolytic capacitor, 5mm | |
| C100 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C101 | 47u | 47u | Electrolytic capacitor, 5mm | |
| Diodes 4 | ||||
| D1 | 1S1588 | 1S1588 | Signal diode, DO-35 | |
| D2 | 1S1588 | 1S1588 | Signal diode, DO-35 | |
| D3 | 1S1588 | 1S1588 | Signal diode, DO-35 | |
| D100 | 1N5817 | 1N5817 | Schottky diode, DO-41 | |
| Transistors 2 | ||||
| Q1 | 2SC732 | 2SC732 | BJT transistor, NPN TO-92 | |
| Q2 | 2SC732 | 2SC732 | BJT transistor, NPN TO-92 | |
| ICs 1 | ||||
| IC1 | JRC4558 | JRC4558 | Dual op-amp, DIP8 | |
| Potentiometers 2 | ||||
| LEVEL | B10K | B10k | 16mm right-angle PCB mount pot | |
| DRIVE | B1M | B1M | 16mm right-angle PCB mount pot | |
Other boards based on the Boss OD-1
- BOSS OD-1 Experimentalists Anonymous
- OD77 - The primordial overdrive Sheepylove · €10.00