Enclosure not stated · 2 knobs
Dragonfly Sparkle BoostVerified
Based on the Dragonfly Sparkle Boost
From the post
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 Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.
Parts list 11 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 4 | ||||
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 2.7K | 2.7k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| Capacitors 3 | ||||
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| Transistors 1 | ||||
| ×1 | NTE458 | NTE458 | JFET; legend: NTE458 or J201; read from the layout by eye | |
| Potentiometers 2 | ||||
| Gain | B5K | B5k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 100K | 100k | drain bias, adjust JFET drain to ~4.5V; read from the layout by eye | |