Enclosure not stated · 3 knobs
Xotic EP Booster - Briggs ModdedVerified
Based on the Xotic EP Booster· 12 other boards clone it
From the post
Requested. This is a modified version of the Xotic EP Booster, done by Fred Briggs and seen on his blog La Révolution Deux. Have a look around there and you'll find some really interesting articles and information about many modern and classic effects. This version includes the voltage converter to provide 18V from a 9V supply. Cheers Fred.
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 Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.
Parts list 19 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×3 | 1M | 1M | read from the layout by eye | |
| ×2 | 4K7 | 4.7k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 100R | 100 | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | 8K2 | 8.2k | read from the layout by eye | |
| ×1 | 470R | 470 | read from the layout by eye | |
| ×1 | 3K3 | 3.3k | read from the layout by eye | |
| Capacitors 4 | ||||
| ×1 | 47n | 47n | read from the layout by eye | |
| ×1 | 10n | 10n | read from the layout by eye | |
| ×5 | 10U | 10u | electrolytic; read from the layout by eye | |
| ×2 | 100U | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×2 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | 2N5457 | 2N5457 | JFET; read from the layout by eye | |
| Q2 | 2N5457 | 2N5457 | JFET; read from the layout by eye | |
| ICs 1 | ||||
| IC | ICL7660SCPA | ICL7660SCPA | legend prints IC7660SCPA; read from the layout by eye | |
| Potentiometers 3 | ||||
| Boost | C10K | C10k | 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 |
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