Enclosure not stated · 3 knobs
EarthQuaker Devices White LightVerified
Based on the EarthQuaker Devices White Light· 7 other boards clone it
From the post
The White Light is based on the MXR Distortion +/DOD 250 circuit, but with some modernization and improvements. There's an added tone control called "Weight" and the toggle switch adds compression by adding an extra germanium clipping stage. The board is laid out for solder-side mounted right angle PCB pots or you could use long leg right angle PCB pots and mount them from the component side of the board.
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 29 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 475K in the resistor stack right of the 22nF: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×5 | 10K | 10k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×2 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | 475K | 475k | read from the layout by eye | |
| ×1 | 39Ω | 39 | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| Capacitors 9 | ||||
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 2.2nF | 2.2n | 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 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 4.7uF | 4.7u | 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 8 | ||||
| D1 | 1N4148 | 1N4148 | read from the layout by eye | |
| D2 | 1N4148 | 1N4148 | read from the layout by eye | |
| D3 | 1N4148 | 1N4148 | read from the layout by eye | |
| D4 | 1N60 | 1N60 | read from the layout by eye | |
| D5 | 1N60 | 1N60 | read from the layout by eye | |
| D6 | 1N60 | 1N60 | read from the layout by eye | |
| D7 | 1N60 | 1N60 | read from the layout by eye | |
| ×1 | 1N4001 | 1N4001 | printed 4001; read from the layout by eye | |
| ICs 1 | ||||
| ×1 | LM833N | LM833N | read from the layout by eye | |
| Potentiometers 3 | ||||
| Gain | A1M | A1M | Potentiometer | read from the layout by eye |
| Level | A100K | A100k | Potentiometer | read from the layout by eye |
| Weight | B25K | B25k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Comp | SPST | SPST | Comp 1 / Comp 2 pads; read from the layout by eye | |
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