Enclosure not stated · 3 knobs
Exar OD-02 Overdrive
Based on the Exar OD-02 Overdrive· 1 other board clones it
From the post
Cool looking soft clipping overdrive using a discrete op amp setup. 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 23 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 6 | ||||
| ×7 | 10K | 10k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 2.2K | 2.2k | read from the layout by eye | |
| ×2 | 1K | 1k | 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 | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×3 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×3 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×3 | 1N4148 | 1N4148 | D1-D3; read from the layout by eye | |
| D4 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 6 | ||||
| Q1 | J113 | J113 | JFET; read from the layout by eye | |
| Q2 | J113 | J113 | JFET; read from the layout by eye | |
| Q3 | J113 | J113 | JFET; read from the layout by eye | |
| Q4 | BC560C | BC560C | read from the layout by eye | |
| Q5 | BC550C | BC550C | read from the layout by eye | |
| Q6 | BC547 | BC547 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Drive | B1M | B1M | Potentiometer | read from the layout by eye |
| Tone | B22K | B22k | Potentiometer | read from the layout by eye |
| Level | B22K | B22k | Potentiometer | read from the layout by eye |
Other boards based on the Exar OD-02 Overdrive
- Exar OD-02 Overdrive Tagboard Effects