Enclosure not stated · 4 knobs
BJFe Emerald Green Overdrive
Based on the BJFe Emerald Green Overdrive
From the post
Four resistor value changes and an added resistor transforms an Emerald Green Distortion to an Emerald Green Overdrive.... Schematic is avaiable HERE.
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 28 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 2 values the reader of this layout was not sure of
- 14.7K (three of them: column 6 rows D-G, column 18 rows B-E, column 3 rows K-N): printed clearly, unusual value
- 6.8K at column 13 rows C-F is a standing resistor partly hidden under the 22uF can; read as 6,8K
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×3 | 330Ω | 330 | read from the layout by eye | |
| ×3 | 14.7K | 14.7k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×2 | 2K | 2k | read from the layout by eye | |
| ×2 | 12K | 12k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 6.8K | 6.8k | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| Capacitors 9 | ||||
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×2 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×2 | 220nF | 220n | read from the layout by eye | |
| ×2 | 470nF | 470n | read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×3 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×2 | 1N4007 | 1N4007 | D1, D2; read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | 2N5952 | 2N5952 | JFET; read from the layout by eye | |
| Q2 | 2N1308 | 2N1308 | read from the layout by eye | |
| Q3 | 2N5952 | 2N5952 | JFET; read from the layout by eye | |
| Potentiometers 4 | ||||
| Drive | A50K | A50k | Potentiometer | read from the layout by eye |
| Voice | A50K | A50k | Potentiometer | read from the layout by eye |
| Treble | A50K | A50k | Potentiometer | read from the layout by eye |
| Volume | A50K | A50k | Potentiometer | read from the layout by eye |