Enclosure not stated · 3 knobs
MXR Distortion IIIVerified
Based on the MXR Distortion III· 2 other boards clone it
- Category
- Distortion
- Controls
- Distortion · Tone · Output
- Build
- Vero· 20×13· 16 cuts, 6 links
- Layout
- Verified · Tagboard Effects marks it as built and working
- Tags
- Distortion, MXR
From the post
Being so similar to Wylde Signature and GT-OD, i can understand why this one was still missing from the library. Well. Up the 100n to 220n-1µ from inverting input of the driver amp to VRef and swap the clippers for LEDs. Should be worth your while...
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 Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.
Parts list 30 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 1 value the reader of this layout was not sure of
- Tone pot: legend prints '20K W (try lin)', W taper kept as printed
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×3 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×2 | 33K | 33k | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 1.8M | 1.8M | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 10 | ||||
| ×1 | 120pF | 120p | read from the layout by eye | |
| ×2 | 18nF | 18n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 27nF | 27n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 3.3uF | 3.3u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; 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 | |
| Diodes 3 | ||||
| D1 | 1N4148 | 1N4148 | read from the layout by eye | |
| D2 | 1N4148 | 1N4148 | read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| ×1 | MPSA14 | MPSA14 | legend: Transistor is MPSA14; read from the layout by eye | |
| ICs 1 | ||||
| IC1 | MC33178P | MC33178P | try JRC4558 or similar; read from the layout by eye | |
| Potentiometers 3 | ||||
| Distortion | A1M | A1M | Potentiometer | read from the layout by eye |
| Tone | W20K | W20k | Potentiometer | 20K W (try lin); read from the layout by eye |
| Output | B10K | B10k | Potentiometer | read from the layout by eye |
Other boards based on the MXR Distortion III
- MXR Distortion III Dirtbox Layouts
- MXR Distortion III Effects Layouts (blog)