Enclosure not stated · 4 knobs
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- Fuzz· Fuzz and Fuzzy Noisemakers
- Controls
- Threshold · Frequency · Sensitivity · Vol
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- Fuzz and Fuzzy Noisemakers
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 16 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| ×1 | 100k | 100k | 555 discharge resistor; read from the schematic by eye | |
| ×1 | 1M | 1M | input to ground; read from the schematic by eye | |
| ×1 | 470Ω | 470 | in series with Frequency pot; read from the schematic by eye | |
| ×1 | 22k | 22k | Threshold divider top; read from the schematic by eye | |
| ×1 | 1k | 1k | Threshold divider bottom; read from the schematic by eye | |
| Capacitors 3 | ||||
| ×1 | 22uF | 22u | supply filter, electrolytic; read from the schematic by eye | |
| ×3 | .1uF | 100n | input coupling, 555 timing, output coupling; read from the schematic by eye | |
| ×2 | 2.2uF | 2.2u | electrolytic; read from the schematic by eye | |
| Diodes 1 | ||||
| ×1 | 1N4001 | 1N4001 | reverse polarity protection; read from the schematic by eye | |
| ICs 2 | ||||
| ×1 | JRC386D | JRC386D | drawn '386D JRC'; read from the schematic by eye | |
| ×1 | ICM7555 | ICM7555 | must be CMOS 555; read from the schematic by eye | |
| Opto 1 | ||||
| ×1 | optoisolator | OPTOISOLATOR | LED/LDR opto, no part number given; read from the schematic by eye | |
| Potentiometers 4 | ||||
| Threshold | 10k | 10k | Potentiometer | P1, wired as divider between 22k and 1k; read from the schematic by eye |
| Frequency | 100k | 100k | Potentiometer | P2; read from the schematic by eye |
| Sensitivity | 1k | 1k | Potentiometer | P3; read from the schematic by eye |
| Vol | 100k | 100k | Potentiometer | read from the schematic by eye |