1590B · 4 knobs
MMR FuzzVerified
Based on the Nocentelli MMR Fuzz· 1 other board clones it
From the post
Here's another great design by Nocentelli for Fuzz Friday. It's a fairly simple 2-transistor design with a wide range of tones on tap. Pots are all board mounted and should fit in a 1590B just fine.
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 26 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×3 | 10K | 10k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 2.7K | 2.7k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 390K | 390k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 680nF | 680n | drawn as a box film cap; read from the layout by eye | |
| ×2 | 1uF | 1u | drawn as a box film cap; read from the layout by eye | |
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 3.3nF | 3.3n | read from the layout by eye | |
| ×2 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N4001 | 1N4001 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | 2N2222 | 2N2222 | read from the layout by eye | |
| Q2 | 2N2222 | 2N2222 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Bass | B100K | B100k | Potentiometer | dual; read from the layout by eye |
| Gain | B1M | B1M | Potentiometer | read from the layout by eye |
| Treble | A100K | A100k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
Other boards based on the Nocentelli MMR Fuzz
- Nocentelli MMR Fuzz Tagboard Effects