Enclosure not stated · 3 knobs
Audio Surplus Effects OK Doomer 3 knobVerified
Based on the Audio Surplus Effects OK Doomer· 5 other boards clone it
- Category
- Distortion
- Build
- Vero· 18×16· 14 cuts, 7 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Audio Surplus Effects, Distortion, Fuzz
From the post
Per request, a layout with the inernal Input and Filter trimpots moved to the outside...
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
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×4 | 100K | 100k | read from the layout by eye | |
| ×3 | 470K | 470k | read from the layout by eye | |
| ×3 | 15K | 15k | read from the layout by eye | |
| ×2 | 7.5K | 7.5k | read from the layout by eye | |
| ×2 | 390Ω | 390 | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 430K | 430k | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| Capacitors 8 | ||||
| ×2 | 470pF | 470p | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 68nF | 68n | read from the layout by eye | |
| ×2 | 82nF | 82n | read from the layout by eye | |
| ×1 | 3.3nF | 3.3n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×2 | 820nF | 820n | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | MPSA18 | MPSA18 | read from the layout by eye | |
| Q2 | MPSA18 | MPSA18 | read from the layout by eye | |
| Q3 | MPSA18 | MPSA18 | read from the layout by eye | |
| Q4 | MPSA18 | MPSA18 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Input | B1M | B1M | Potentiometer | read from the layout by eye |
| Filter | B10K | B10k | Potentiometer | read from the layout by eye |
| Volume | B100K | B100k | Potentiometer | read from the layout by eye |
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