Enclosure not stated · 3 knobs
Earthquaker Devices DunesVerified
Based on the EarthQuaker Devices Dunes· 5 other boards clone it
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 33 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×5 | 1K | 1k | read from the layout by eye | |
| ×5 | 10K | 10k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×2 | 560K | 560k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 9 | ||||
| ×1 | 47pF | 47p | read from the layout by eye | |
| ×1 | 68nF | 68n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×1 | 150nF | 150n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×1 | 330nF | 330n | read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×2 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 4 | ||||
| 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 | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | MPSA18 | MPSA18 | read from the layout by eye | |
| Q2 | MPSA18 | MPSA18 | read from the layout by eye | |
| Q3 | 2N7000 | 2N7000 | MOSFET; read from the layout by eye | |
| Q4 | 2N7000 | 2N7000 | MOSFET; read from the layout by eye | |
| ICs 1 | ||||
| IC1 | LM833 | LM833 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Drive | A500K | A500k | Potentiometer | read from the layout by eye |
| Tone | B5K | B5k | Potentiometer | read from the layout by eye |
| Volume | B100K | B100k | Potentiometer | read from the layout by eye |
| Switches 3 | ||||
| Voice Sw | SPDT on/off/on | SPDT ON/OFF/ON | toggle; read from the layout by eye | |
| Bandwidth Sw | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| Bright Sw | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| LEDs 1 | ||||
| D4 | 3mm red LED | 3MM RED LED | on board; read from the layout by eye | |
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