Enclosure not stated · 3 knobs
BearFoot FX Sea Blue EQVerified
Based on the BearFoot FX Sea Blue EQ· 2 other boards clone it
From the post
Here's a cool EQ/booster from Bjorn Juhl. If pushed hard, it will break up much like a tube EQ would, and adds warmth and clarity to your tone. It uses 2 JFETs and a James style tone stack.
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 19 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 14.7K (five of them: three in the top row, one centre right, one bottom left): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| ×3 | 1K | 1k | read from the layout by eye | |
| ×5 | 14.7K | 14.7k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×2 | 5.6K | 5.6k | read from the layout by eye | |
| Capacitors 8 | ||||
| ×2 | 1nF | 1n | read from the layout by eye | |
| ×1 | 470nF | 470n | read from the layout by eye | |
| ×3 | 22nF | 22n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N4007 | 1N4007 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | 2N5458 | 2N5458 | JFET; or 2N5452; read from the layout by eye | |
| Q2 | 2N5458 | 2N5458 | JFET; or 2N5452; read from the layout by eye | |
| Potentiometers 3 | ||||
| Treble | B50K | B50k | Potentiometer | read from the layout by eye |
| Bass | A50K | A50k | Potentiometer | read from the layout by eye |
| Volume | B50K | B50k | Potentiometer | read from the layout by eye |
Other boards based on the BearFoot FX Sea Blue EQ
- Sea Blue EQ PCBWay: Glory to Ukraine
- Sea Blue EQ (PCB V2) PCBWay: Glory to Ukraine