Enclosure not stated · 8 knobs
Aleph Null Troglodyte Reverb
Based on the Aleph Null Troglodyte Reverb
Want a PCB? Aleph Null designed this circuit and sells boards: message Aleph Null on the PedalPCB forum.
From the post
Self oscillating reverb with plenty of bells and whistles. Schematic, writeup and demo 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 35 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×4 | 1M | 1M | read from the layout by eye | |
| ×3 | 15K | 15k | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×5 | 10K | 10k | read from the layout by eye | |
| ×2 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 20K | 20k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 8 | ||||
| ×9 | 100nF | 100n | read from the layout by eye | |
| ×5 | 47nF | 47n | read from the layout by eye | |
| ×3 | 10nF | 10n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; 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 2 | ||||
| ×2 | 1N914 | 1N914 | D1, D2; read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2N5089 | 2N5089 | read from the layout by eye | |
| ICs 3 | ||||
| IC1 | NJM4558 | NJM4558 | read from the layout by eye | |
| IC2 | PT2399 | PT2399 | read from the layout by eye | |
| REG | 78L05 | 78L05 | regulator; read from the layout by eye | |
| Potentiometers 8 | ||||
| Feedback | A25K | A25k | Potentiometer | read from the layout by eye |
| Dry | A25K | A25k | Potentiometer | read from the layout by eye |
| Wet | A25K | A25k | Potentiometer | read from the layout by eye |
| Onset | B25K | B25k | Potentiometer | read from the layout by eye |
| Tone | B25K | B25k | Potentiometer | read from the layout by eye |
| Sway | B5K | B5k | Potentiometer | read from the layout by eye |
| Saturation | A500K | A500k | Potentiometer | read from the layout by eye |
| Decay | B100K | B100k | Potentiometer | dual; read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 10K | 10k | read from the layout by eye | |
| Switches 2 | ||||
| Swell/Damp | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
| Mom Sw | momentary footswitch | MOMENTARY FOOTSWITCH | effect control, not the bypass; read from the layout by eye | |
| Other 1 | ||||
| RB | BTDR-3H | BTDR-3H | reverb brick, off board; read from the layout by eye | |