Enclosure not stated · 6 knobs
Friedman Dirty ShirleyVerified
Based on the Friedman Dirty Shirley· 3 other boards clone it
- Category
- Distortion
- Build
- Vero· 28×22· 50 cuts, 22 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Distortion, Friedman, Overdrive
From the post
Verified.
In case of noise issues, try a higher cap value in place of 120pF. 470pF-1nF is a good starting point.
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 44 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 16 | ||||
| ×9 | 22K | 22k | read from the layout by eye | |
| ×6 | 2.2K | 2.2k | read from the layout by eye | |
| ×3 | 10K | 10k | read from the layout by eye | |
| ×2 | 33K | 33k | read from the layout by eye | |
| ×2 | 20K | 20k | read from the layout by eye | |
| ×1 | 18K | 18k | read from the layout by eye | |
| ×1 | 39K | 39k | read from the layout by eye | |
| ×1 | 3.9K | 3.9k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 27K | 27k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 10Ω | 10 | read from the layout by eye | |
| Capacitors 13 | ||||
| ×2 | 47pF | 47p | read from the layout by eye | |
| ×1 | 120pF | 120p | read from the layout by eye | |
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×3 | 10nF | 10n | read from the layout by eye | |
| ×2 | 22nF | 22n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×2 | 220nF | 220n | read from the layout by eye | |
| ×2 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×4 | 1N4148 | 1N4148 | D1, D2, D3, D4; read from the layout by eye | |
| D9 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 4 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | TL072 | TL072 | read from the layout by eye | |
| IC3 | TL072 | TL072 | read from the layout by eye | |
| IC4 | TL072 | TL072 | read from the layout by eye | |
| Potentiometers 6 | ||||
| Gain | A1M | A1M | Potentiometer | read from the layout by eye |
| Treble | B100K | B100k | Potentiometer | read from the layout by eye |
| Bass | C100K | C100k | Potentiometer | read from the layout by eye |
| Mid | C100K | C100k | Potentiometer | read from the layout by eye |
| Presence | C10K | C10k | Potentiometer | read from the layout by eye |
| Volume | A50K | A50k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 100K | 100k | read from the layout by eye | |
| Switches 1 | ||||
| Switch | SPST | SPST | read from the layout by eye | |
| LEDs 1 | ||||
| ×4 | 3mm red LED | 3MM RED LED | D5, D6, D7, D8; read from the layout by eye | |
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