125B · 4 knobs
Cornerstone Gladio SCVerified
Based on the Cornerstone Gladio SC· 1 other board clones it
From the post
Per request. This one was a PITA to draw with its four dual op amps and two buffered Vref lines. So it didn't came out 125b friendly and it has more links than I prefer... 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 32 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 6 | ||||
| ×1 | 82Ω | 82 | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×4 | 3.3K | 3.3k | read from the layout by eye | |
| ×6 | 10K | 10k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| Capacitors 9 | ||||
| ×1 | 22pF | 22p | read from the layout by eye | |
| ×2 | 100pF | 100p | read from the layout by eye | |
| ×1 | 33nF | 33n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×1 | 68nF | 68n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×5 | 1uF | 1u | read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 7 | ||||
| D1 | 1N4148 | 1N4148 | read from the layout by eye | |
| D2 | 1N4148 | 1N4148 | read from the layout by eye | |
| D3 | 1N4148 | 1N4148 | read from the layout by eye | |
| D4 | 1N4148 | 1N4148 | read from the layout by eye | |
| D5 | 1N4148 | 1N4148 | read from the layout by eye | |
| D6 | 1N4148 | 1N4148 | read from the layout by eye | |
| D7 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 4 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | JRC4558 | JRC4558 | read from the layout by eye | |
| IC3 | TL072 | TL072 | read from the layout by eye | |
| IC4 | TL072 | TL072 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Gain | B500K | B500k | Potentiometer | read from the layout by eye |
| Tone | B5K | B5k | Potentiometer | read from the layout by eye |
| Clean | B25K | B25k | Potentiometer | read from the layout by eye |
| Volume | B10K | B10k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| Bass | 50K | 50k | read from the layout by eye | |
| Switches 1 | ||||
| Comp Sw | SPDT on/on | SPDT ON/ON | read from the layout by eye | |
Other boards based on the Cornerstone Gladio SC
- Scenario Preamp PedalPCB · 125B · $12.00