1590B · 4 knobs
Seymour Duncan Dirty DeedVerified
Based on the Seymour Duncan Dirty Deed· 3 other boards clone it
- Category
- Distortion
- Build
- Perfboard
- Layout
- Verified · Effects Layouts (blog) marks it as built and working
- Tags
- Distortion, Seymour Duncan
From the post
Here's a pretty interesting distortion from Seymour Duncan. 2N3906 transistors for hard clipping and a two band gyrator EQ section. Originals I assume are all SMD and use MC33178 ICs, which I believe are equivalent to the LM833, but other dual opamps should work fine. Schematic here. Should be able to squeeze it in a 1590B with small profile jacks.
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 42 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 15 | ||||
| ×1 | 220Ω | 220 | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×1 | 1.62K | 1.62k | read from the layout by eye | |
| ×1 | 2.61K | 2.61k | read from the layout by eye | |
| ×1 | 8.25K | 8.25k | read from the layout by eye | |
| ×3 | 10K | 10k | read from the layout by eye | |
| ×2 | 16.2K | 16.2k | read from the layout by eye | |
| ×1 | 24.9K | 24.9k | read from the layout by eye | |
| ×4 | 100K | 100k | read from the layout by eye | |
| ×1 | 150K | 150k | read from the layout by eye | |
| ×1 | 187K | 187k | read from the layout by eye | |
| ×1 | 392K | 392k | read from the layout by eye | |
| ×1 | 475K | 475k | read from the layout by eye | |
| ×1 | 499K | 499k | read from the layout by eye | |
| ×1 | 10M | 10M | read from the layout by eye | |
| Capacitors 16 | ||||
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×1 | 390pF | 390p | read from the layout by eye | |
| ×1 | 680pF | 680p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 1.2nF | 1.2n | read from the layout by eye | |
| ×1 | 1.8nF | 1.8n | read from the layout by eye | |
| ×1 | 3.3nF | 3.3n | read from the layout by eye | |
| ×1 | 18nF | 18n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 39nF | 39n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×1 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×3 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N4001 | 1N4001 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2N3906 | 2N3906 | read from the layout by eye | |
| Q2 | 2N3906 | 2N3906 | read from the layout by eye | |
| Q3 | MPSA18 | MPSA18 | read from the layout by eye | |
| Q4 | MPSA18 | MPSA18 | read from the layout by eye | |
| ICs 2 | ||||
| IC1 | MC33178 | MC33178 | read from the layout by eye | |
| IC2 | MC33178 | MC33178 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Bass | B20K | B20k | Potentiometer | read from the layout by eye |
| Treble | B20K | B20k | Potentiometer | read from the layout by eye |
| Drive | C10K | C10k | Potentiometer | read from the layout by eye |
| Level | A10K | A10k | Potentiometer | read from the layout by eye |
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