Enclosure not stated · 3 knobs
MXR Distortion IIIVerified
Based on the MXR Distortion III· 2 other boards clone it
- Category
- Distortion
- Controls
- Distortion · Tone · Volume
- Build
- Vero· 17×14· 13 cuts, 5 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Distortion, MXR
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 28 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 2 values the reader of this layout was not sure of
- Tone pot printed '20kW': read as W taper, W20K
- 120pF at column 3, rows E-F: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| ×3 | 4.7K | 4.7k | read from the layout by eye | |
| ×3 | 33K | 33k | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | 1.8M | 1.8M | read from the layout by eye | |
| Capacitors 10 | ||||
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 18nF | 18n | 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 | 120pF | 120p | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×1 | 220uF | 220u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 3.3uF | 3.3u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×2 | 1N4148 | 1N4148 | D1, D2; read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | MPSA14 | MPSA14 | read from the layout by eye | |
| ICs 1 | ||||
| IC1 | MC33178P | MC33178P | Try 4558, TL072 etc.; read from the layout by eye | |
| Potentiometers 3 | ||||
| Distortion | B1M | B1M | Potentiometer | read from the layout by eye |
| Tone | W20K | W20k | Potentiometer | printed 20kW; read from the layout by eye |
| Volume | B10K | B10k | Potentiometer | read from the layout by eye |
Other boards based on the MXR Distortion III
- MXR Distortion III Effects Layouts (blog)
- MXR Distortion III Tagboard Effects