Enclosure not stated · 3 knobs
EWS BD-1 Brute Drive
Based on the EWS BD-1 Brute Drive
- Category
- Distortion
- Build
- Vero· 20×21· 28 cuts, 13 links
- Layout
- Unverified · no build reported at Dirtbox Layouts yet
- Tags
- Distortion, EWS
From the post
Per request.
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 39 rows
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Check before you build · 3 values the reader of this layout was not sure of
- 6,7K at column 3 rows P-S and at column 13 rows Q-T: printed clearly twice, unusual value (4.7K or 6.8K would be usual)
- Switch (3PDT footswitch): taken as the Mid Boost control, not the bypass; the legend only says 'Switch'
- IC1-IC2 printed '4558' with no prefix; kept as printed
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 15 | ||||
| ×3 | 11K | 11k | read from the layout by eye | |
| ×3 | 24K | 24k | read from the layout by eye | |
| ×1 | 20K | 20k | read from the layout by eye | |
| ×2 | 47K | 47k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 130K | 130k | read from the layout by eye | |
| ×1 | 2.4K | 2.4k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 43K | 43k | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 36K | 36k | read from the layout by eye | |
| ×2 | 6.7K | 6.7k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 240K | 240k | read from the layout by eye | |
| ×2 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 14 | ||||
| ×1 | 47pF | 47p | read from the layout by eye | |
| ×2 | 220pF | 220p | read from the layout by eye | |
| ×1 | 560pF | 560p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 68nF | 68n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 150nF | 150n | read from the layout by eye | |
| ×1 | 1uF | 1u | read from the layout by eye | |
| ×1 | 3.3uF | 3.3u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| D1 | 1N914 | 1N914 | read from the layout by eye | |
| D2 | 1N914 | 1N914 | read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 2 | ||||
| IC1 | 4558 | 4558 | read from the layout by eye | |
| IC2 | 4558 | 4558 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Gain | A1M | A1M | Potentiometer | read from the layout by eye |
| Tone | B10K | B10k | Potentiometer | read from the layout by eye |
| Volume | B100K | B100k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| Mid Boost | 50K | 50k | read from the layout by eye | |
| Switches 1 | ||||
| Switch | 3PDT | 3PDT | footswitch, Mid Boost; read from the layout by eye | |