Enclosure not stated · 4 knobs
Cornish ST-2Verified
Based on the Cornish ST-2· 1 other board clones it
From the post
Schematic and info HERE It is obviously based on Colorsound Overdriver/Power Boost but with quite alot mods and addons. First there is two input buffers before a heavily modified Overdriver circuit. And at last there is an op amp recovery stage.
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 40 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
- 10Ω at column 22 rows D-F: printed clearly, unusual value
- 91Ω at column 20 rows A-C: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 23 | ||||
| ×1 | 10Ω | 10 | read from the layout by eye | |
| ×3 | 51Ω | 51 | read from the layout by eye | |
| ×1 | 91Ω | 91 | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×1 | 680Ω | 680 | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×2 | 1.8K | 1.8k | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 5.1K | 5.1k | read from the layout by eye | |
| ×2 | 5.6K | 5.6k | read from the layout by eye | |
| ×2 | 7.5K | 7.5k | read from the layout by eye | |
| ×5 | 10K | 10k | read from the layout by eye | |
| ×1 | 12K | 12k | read from the layout by eye | |
| ×1 | 15K | 15k | read from the layout by eye | |
| ×1 | 18K | 18k | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | 39K | 39k | read from the layout by eye | |
| ×5 | 120K | 120k | read from the layout by eye | |
| ×2 | 150K | 150k | read from the layout by eye | |
| ×2 | 200K | 200k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 10M | 10M | read from the layout by eye | |
| Capacitors 10 | ||||
| ×2 | 220pF | 220p | read from the layout by eye | |
| ×2 | 1nF | 1n | read from the layout by eye | |
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×5 | 100nF | 100n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×3 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×5 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×2 | 220uF | 220u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| ×5 | BC549C | BC549C | Q1-Q5; read from the layout by eye | |
| ICs 1 | ||||
| IC1 | TL071 | TL071 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Drive | C50K | C50k | Potentiometer | read from the layout by eye |
| Treble | B100K | B100k | Potentiometer | read from the layout by eye |
| Bass | B100K | B100k | Potentiometer | read from the layout by eye |
| Volume | A10K | A10k | Potentiometer | read from the layout by eye |
Other boards based on the Cornish ST-2
- Sigma Aion FX · 125B · $12.50