Enclosure not stated · 3 knobs
Demeter FuzzulatorVerified
Based on the Demeter Fuzzulator· 2 other boards clone it
From the post
Here's an interesting opamp-based fuzz from Demeter for Fuzz Friday. I imagine other dual opamps can be used in place of the LF442, so socket and experiment. The trimmer in the original seems to be set at 2.5k. Schematic can be found 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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 25 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 20nF beside the LF442 (row M): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 6 | ||||
| ×3 | 100K | 100k | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 20K | 20k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 20nF | 20n | read from the layout by eye | |
| ×1 | 1uF | 1u | drawn as a box film capacitor; 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 3 | ||||
| ×3 | 1N34A | 1N34A | read from the layout by eye | |
| ×4 | 1N4148 | 1N4148 | read from the layout by eye | |
| ×1 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 2 | ||||
| ×1 | LF442 | LF442 | read from the layout by eye | |
| ×1 | TL061 | TL061 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Fuzz | C500K | C500k | Potentiometer | read from the layout by eye |
| Tone | A20K | A20k | Potentiometer | read from the layout by eye |
| Volume | A20K | A20k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 5K | 5k | read from the layout by eye | |
| Switches 1 | ||||
| Switch | SPST | SPST | toggle on pads Sw1/Sw2; read from the layout by eye | |
| LEDs 2 | ||||
| D1 | 3mm red LED | 3MM RED LED | read from the layout by eye | |
| D2 | 3mm red LED | 3MM RED LED | read from the layout by eye | |
Other boards based on the Demeter Fuzzulator
- Demeter Fuzzulator Dirtbox Layouts
- Demeter Fuzzulator Tagboard Effects