Enclosure not stated · 6 knobs
Schematic
The schematic image is on the project page. Open it at PCBWay.
Parts list 37 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×10 | 3k3 | 3.3k | read from the schematic by eye | |
| ×9 | 100k | 100k | read from the schematic by eye | |
| ×7 | 10k | 10k | read from the schematic by eye | |
| ×4 | 33k | 33k | read from the schematic by eye | |
| ×3 | 1k | 1k | read from the schematic by eye | |
| ×3 | 1M | 1M | read from the schematic by eye | |
| ×3 | 220k | 220k | read from the schematic by eye | |
| ×1 | 22k | 22k | read from the schematic by eye | |
| ×1 | 12k | 12k | read from the schematic by eye | |
| ×1 | 4k7 | 4.7k | read from the schematic by eye | |
| ×1 | 33 | 33 | marked 33* on the power input; read from the schematic by eye | |
| ×1 | 1M | 1M | marked 1M* EMPTY: footprint left unpopulated; read from the schematic by eye | |
| Capacitors 13 | ||||
| ×5 | 22n | 22n | read from the schematic by eye | |
| ×4 | 10n | 10n | read from the schematic by eye | |
| ×4 | 120p | 120p | read from the schematic by eye | |
| ×4 | 47n | 47n | read from the schematic by eye | |
| ×4 | 2u2 | 2.2u | read from the schematic by eye | |
| ×3 | 1n | 1n | read from the schematic by eye | |
| ×2 | 100n | 100n | read from the schematic by eye | |
| ×2 | 1u | 1u | read from the schematic by eye | |
| ×2 | 47u | 47u | read from the schematic by eye | |
| ×2 | 220u | 220u | read from the schematic by eye | |
| ×1 | 470p | 470p | read from the schematic by eye | |
| ×1 | 2n2 | 2.2n | read from the schematic by eye | |
| ×1 | 4n7 | 4.7n | read from the schematic by eye | |
| Diodes 3 | ||||
| ×4 | 1N4148 | 1N4148 | marked 1N4148* (input and output protection); read from the schematic by eye | |
| ×2 | 3V3 | 3V3 | zeners, back to back in the drive stage feedback; read from the schematic by eye | |
| ×1 | 9V1 | 9V1 | zener on the supply; read from the schematic by eye | |
| ICs 2 | ||||
| ×2 | TL074 | TL074 | read from the schematic by eye | |
| ×1 | TL072 | TL072 | read from the schematic by eye | |
| Potentiometers 6 | ||||
| Character | B100k | B100k | Potentiometer | read from the schematic by eye |
| Drive | B100k | B100k | Potentiometer | read from the schematic by eye |
| Level | B100k | B100k | Potentiometer | read from the schematic by eye |
| Mid | B100k | B100k | Potentiometer | read from the schematic by eye |
| High | B100k | B100k | Potentiometer | read from the schematic by eye |
| Low | B100k | B100k | Potentiometer | read from the schematic by eye |
| LEDs 1 | ||||
| ×1 | LED | LED | read from the schematic by eye | |