Enclosure not stated · 2 knobs
MXR Custom Badass Modified OD
Based on the MXR Custom Badass Modified OD· 3 other boards clone it
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 33 rows
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Check before you build · 4 values the reader of this layout was not sure of
- 110K at column 14, rows N-P (standing over a cut): printed clearly, unusual value
- 250nF at column 15, rows N-P and 250pF at column 16, rows D-E: printed clearly, unusual values
- 24K at column 18, rows K-M: printed clearly, unusual value
- Gain pot printed '1mA', read as A1M
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| ×8 | 10K | 10k | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | 24K | 24k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 110K | 110k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 1.5M | 1.5M | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 12 | ||||
| ×2 | 18nF | 18n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 27nF | 27n | read from the layout by eye | |
| ×1 | 250nF | 250n | read from the layout by eye | |
| ×1 | 1uF | 1u | film box; read from the layout by eye | |
| ×1 | 250pF | 250p | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 3.3uF | 3.3u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×3 | 1N4148 | 1N4148 | D1, D2, D3; read from the layout by eye | |
| D4 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | MPSA14 | MPSA14 | read from the layout by eye | |
| ICs 2 | ||||
| IC1 | MC33178 | MC33178 | printed 33178; Try 4558, LM833, NE5532 etc.; read from the layout by eye | |
| IC2 | MC33178 | MC33178 | printed 33178; Try 4558, LM833, NE5532 etc.; read from the layout by eye | |
| Potentiometers 4 | ||||
| Gain | A1M | A1M | Potentiometer | read from the layout by eye |
| Tone | B20K | B20k | Potentiometer | read from the layout by eye |
| 100 Hz | B20K | B20k | Potentiometer | read from the layout by eye |
| Output | B10K | B10k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | SPST | SPST | read from the layout by eye | |
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