Enclosure not stated · 4 knobs
Dead Astronaut Chasm ReverbVerified
Based on the Dead Astronaut Chasm Reverb· 2 other boards clone it· the maker's own board is Chasm Reverb by Dead Astronaut FX
From the post
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 37 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×5 | 22K | 22k | read from the layout by eye | |
| ×4 | 10K | 10k | read from the layout by eye | |
| ×3 | 100K | 100k | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×2 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 56K | 56k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 5.6K | 5.6k | read from the layout by eye | |
| ×1 | 33Ω | 33 | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 8 | ||||
| ×3 | 100pF | 100p | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×3 | 100nF | 100n | read from the layout by eye | |
| ×1 | 470nF | 470n | read from the layout by eye | |
| ×1 | 1uF | 1u | film box; read from the layout by eye | |
| ×6 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 5 | ||||
| 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 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | 2N5457 | 2N5457 | JFET; read from the layout by eye | |
| Q2 | 2N5457 | 2N5457 | JFET; read from the layout by eye | |
| Q3 | 2N7000 | 2N7000 | MOSFET; read from the layout by eye | |
| ICs 3 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | TL072 | TL072 | read from the layout by eye | |
| REG | 7805 | 7805 | regulator; read from the layout by eye | |
| Potentiometers 4 | ||||
| Damp | B10K | B10k | Potentiometer | read from the layout by eye |
| Mix | B10K | B10k | Potentiometer | read from the layout by eye |
| Decay | B22K | B22k | Potentiometer | read from the layout by eye |
| Level | B100K | B100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Osc Sw | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| Other 1 | ||||
| RB | BTDR-2H | BTDR-2H | reverb module, off board; read from the layout by eye | |
Other boards based on the Dead Astronaut Chasm Reverb
- Chasm Reverb the original · Dead Astronaut FX · £15.00
- DeadAstronaut Chasm Reverb Effects Layouts (blog) · 125B
- Chasm Reverb (CODA effects) PCBWay: Glory to Ukraine