Enclosure not stated · 3 knobs
Exar OD-01 Overdrive
Based on the Exar OD-01 Overdrive
From the post
These things is getting really expensive especially since it got hyped by JHS and was included as the "XR" mode in their Bonsai pedal. It is basically a YATS/Boss-OD-1 with some value changes here and there and assymetrical soft clipping. Schematic is avaiable HERE.
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 24 rows
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Check before you build · 2 values the reader of this layout was not sure of
- 453Ω at column 16, rows F-H (greyed, standing over another part): printed clearly, unusual value
- 453K at column 6, rows J-M: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×6 | 10K | 10k | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×1 | 220Ω | 220 | read from the layout by eye | |
| ×1 | 453Ω | 453 | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 453K | 453k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 6 | ||||
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×3 | 47nF | 47n | read from the layout by eye | |
| ×2 | 220nF | 220n | read from the layout by eye | |
| ×3 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×3 | 1N4148 | 1N4148 | D1-D3; read from the layout by eye | |
| ×1 | 1N5817 | 1N5817 | supply diode, drawn as a second D3; legend calls it D1; read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | BC413B | BC413B | read from the layout by eye | |
| Q2 | BC413B | BC413B | read from the layout by eye | |
| ICs 1 | ||||
| IC1 | 4558 | 4558 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Drive | A1M | A1M | Potentiometer | read from the layout by eye |
| Tone | B22K | B22k | Potentiometer | read from the layout by eye |
| Level | B50K | B50k | Potentiometer | read from the layout by eye |