Enclosure not stated · 4 knobs
Death By Audio Red/Blue Card FuzzVerified
Based on the Death By Audio Red/Blue Card Fuzz
From the post
With lots of help and footwork by AlexS, we managed to trace Oliver Ackermann's red business card PCB which turned out to be a noisy fuzz monster. Gain, Resonance and Filter controls is very interactive and you can dail in gated fuzz, oscillations and bizarre lo-fi filtered fuzz.
First up, schematic.
And a verified layout.
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 20 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 1 value the reader of this layout was not sure of
- 13K socketed resistor at column 5, rows K-M: printed clearly, unusual value (the schematic in picture 1 also gives 13k)
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×4 | 100K | 100k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 2.7K | 2.7k | read from the layout by eye | |
| ×1 | 13K | 13k | drawn socketed; read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×1 | 27K | 27k | read from the layout by eye | |
| Capacitors 4 | ||||
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×2 | 47pF | 47p | read from the layout by eye | |
| ×4 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| ×4 | 1N5227B | 1N5227B / 3V6 | D1-D4, 3.6V Zener; read from the layout by eye | |
| D5 | 1N4148 | 1N4148 | read from the layout by eye | |
| D6 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 1 | ||||
| IC1 | TL074 | TL074 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Gain | A1M | A1M | Potentiometer | read from the layout by eye |
| Filter | C100K | C100k | Potentiometer | read from the layout by eye |
| Resonance | C100K | C100k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |