1590A · 2 knobs
DOD Overdrive 250 Grey SpecVerified
Based on the DOD 250 Overdrive Preamp· 11 other boards clone it
- Category
- Distortion
- Build
- Perfboard
- Layout
- Verified · Effects Layouts (blog) marks it as built and working
- Tags
- Distortion, DOD, MXR, Overdrive
From the post
Here's the grey spec DOD Overdrive 250 that fits in a 1590a enclosure. You could also build a yellow spec 250 or the MXR Distortion + with this layout. Just compare the schematics and value swaps.
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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 16 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
- 25pF ceramic right of the LM741 (rows H-J): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| ×2 | 20K | 20k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| Capacitors 6 | ||||
| ×2 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 25pF | 25p | read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 22uF | 22u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| D1 | 1N914 | 1N914 | legend: D1,2: 1N914, 1N4148; read from the layout by eye | |
| D2 | 1N914 | 1N914 | legend: D1,2: 1N914, 1N4148; read from the layout by eye | |
| ICs 1 | ||||
| ×1 | LM741 | LM741 | read from the layout by eye | |
| Potentiometers 2 | ||||
| Gain | C500K | C500k | Potentiometer | printed 500K Rev log; read from the layout by eye |
| Level | A100K | A100k | Potentiometer | printed 100K Log; read from the layout by eye |
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