Enclosure not stated · 4 knobs
Great Eastern FX Small Speaker OverdriveVerified
Based on the Great Eastern FX Co Small Speaker Overdrive· 1 other board clones it
From the post
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 29 rows
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Check before you build · 2 values the reader of this layout was not sure of
- 22Ω beside Q1 (column 7): printed clearly, unusual value
- 6.8pF at column 9: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×5 | 1K | 1k | read from the layout by eye | |
| ×3 | 100Ω | 100 | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 220K | 220k | read from the layout by eye | |
| ×1 | 22Ω | 22 | read from the layout by eye | |
| ×1 | 150Ω | 150 | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 9 | ||||
| ×1 | 6.8pF | 6.8p | read from the layout by eye | |
| ×2 | 150pF | 150p | read from the layout by eye | |
| ×2 | 220pF | 220p | read from the layout by eye | |
| ×1 | 680pF | 680p | read from the layout by eye | |
| ×1 | 6.8nF | 6.8n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×2 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| ×5 | 1N4148 | 1N4148 | D1-D5; read from the layout by eye | |
| D6 | BAT48 | BAT48 | read from the layout by eye | |
| D7 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | BC547B | BC547B | read from the layout by eye | |
| Q2 | 2N3904 | 2N3904 | read from the layout by eye | |
| Q3 | J201 | J201 | JFET; legend prints 'Q33'; read from the layout by eye | |
| Potentiometers 4 | ||||
| Gain | C500K | C500k | Potentiometer | read from the layout by eye |
| High | B1M | B1M | Potentiometer | read from the layout by eye |
| Low | B100K | B100k | Potentiometer | read from the layout by eye |
| Level | A10K | A10k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 10K | 10k | read from the layout by eye | |
Other boards based on the Great Eastern FX Co Small Speaker Overdrive
- Champ Stamp Overdrive PedalPCB · 125B · $10.00