1590BB · 6 knobs
Earthquaker Devices Disaster TransportVerified
Based on the EarthQuaker Devices Disaster Transport· 3 other boards clone it
From the post
I traced this one a while back. It's the same delay circuit as the Disaster Transport Jr but with modulation added. It fits nicely in a 1590BB like the original. Schematic here.
If you'd rather a smaller footprint I have fabricated boards for a 125B in the store.
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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 37 rows
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Check before you build · 1 value the reader of this layout was not sure of
- Regulator next to the PT2399: named '7805' only on the wiring diagram, drawn as a TO-92 on the board (so in practice a 78L05)
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| ×10 | 10K | 10k | read from the layout by eye | |
| ×4 | 22K | 22k | read from the layout by eye | |
| ×2 | 220K | 220k | read from the layout by eye | |
| ×3 | 47K | 47k | read from the layout by eye | |
| ×4 | 470K | 470k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 120K | 120k | read from the layout by eye | |
| ×1 | 15K | 15k | read from the layout by eye | |
| ×2 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 150K | 150k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| Capacitors 11 | ||||
| ×6 | 22nF | 22n | read from the layout by eye | |
| ×7 | 100nF | 100n | read from the layout by eye | |
| ×1 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 470nF | 470n | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×5 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×4 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×1 | 1N5817 | 1N5817 | read from the layout by eye | |
| ×2 | 1N4148 | 1N4148 | read from the layout by eye | |
| ICs 4 | ||||
| ×1 | PT2399 | PT2399 | read from the layout by eye | |
| ×1 | TL072 | TL072 | read from the layout by eye | |
| ×1 | 4558 | 4558 | read from the layout by eye | |
| ×1 | 7805 | 7805 | regulator, TO-92; named on the wiring diagram only; read from the layout by eye | |
| Potentiometers 6 | ||||
| Tone | B25K | B25k | Potentiometer | read from the layout by eye |
| Mix | B5K | B5k | Potentiometer | read from the layout by eye |
| Rate | C1M | C1M | Potentiometer | read from the layout by eye |
| Repeats | B5K | B5k | Potentiometer | read from the layout by eye |
| Time | B50K | B50k | Potentiometer | read from the layout by eye |
| Depth | B100K | B100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Mod Switch | DPDT | DPDT | footswitch; read from the layout by eye | |
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