Enclosure not stated · 4 knobs
Yerasov Gamma GR-1 Grunge
Based on the Yerasov Gamma GR-1 Grunge
- Category
- Distortion
- Build
- Vero· 37 cuts, 19 links
- Layout
- Unverified · no build reported at Dirtbox Layouts yet
- Tags
- Distortion, Yerasov
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 45 rows
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Check before you build · 2 values the reader of this layout was not sure of
- 1.5uF electrolytic beside the 330Ω (column 21, rows L-N): printed clearly, unusual value
- 2nF film cap right of IC1 (column 17, rows Q-S): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 14 | ||||
| ×1 | 240Ω | 240 | read from the layout by eye | |
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×1 | 390Ω | 390 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 1.2K | 1.2k | read from the layout by eye | |
| ×2 | 2K | 2k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 5.1K | 5.1k | read from the layout by eye | |
| ×11 | 10K | 10k | read from the layout by eye | |
| ×4 | 47K | 47k | read from the layout by eye | |
| ×3 | 100K | 100k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| Capacitors 17 | ||||
| ×1 | 51pF | 51p | read from the layout by eye | |
| ×2 | 100pF | 100p | read from the layout by eye | |
| ×1 | 120pF | 120p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 2nF | 2n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×2 | 15nF | 15n | read from the layout by eye | |
| ×1 | 27nF | 27n | read from the layout by eye | |
| ×2 | 33nF | 33n | read from the layout by eye | |
| ×5 | 47nF | 47n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 680nF | 680n | read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 1.5uF | 1.5u | electrolytic; read from the layout by eye | |
| ×3 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | 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 | 1N4001 | 1N4001 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | KT303 | KT303 | JFET; legend: TRY J201, 2N5457 ETC.; read from the layout by eye | |
| Q2 | BC550C | BC550C | read from the layout by eye | |
| Q3 | BC550C | BC550C | read from the layout by eye | |
| Q4 | BC550C | BC550C | read from the layout by eye | |
| ICs 3 | ||||
| IC1 | 4558 | 4558 | read from the layout by eye | |
| IC2 | 4558 | 4558 | read from the layout by eye | |
| IC3 | 4558 | 4558 | read from the layout by eye | |
| Potentiometers 4 | ||||
| High | B50K | B50k | Potentiometer | read from the layout by eye |
| Low | B50K | B50k | Potentiometer | read from the layout by eye |
| Loud | B50K | B50k | Potentiometer | read from the layout by eye |
| Grunge | B50K | B50k | Potentiometer | read from the layout by eye |