1590B · 6 knobs
JSA MUR FuzzVerified
Based on the JSA MUR Fuzz
From the post
This week for Fuzz Friday here's another design from JSA. It's a Fuzz Face variant, with additional controls and an additional gain stage at the end. Should squeeze into a 1590B.
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 24 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×2 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×2 | 47pF | 47p | read from the layout by eye | |
| ×2 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 220uF | 220u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N4001 | 1N4001 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | BC109 | BC109 | read from the layout by eye | |
| Q2 | BC109 | BC109 | read from the layout by eye | |
| Q3 | BC109 | BC109 | read from the layout by eye | |
| Potentiometers 6 | ||||
| Gate | B5K | B5k | Potentiometer | read from the layout by eye |
| Sag | B5K | B5k | Potentiometer | read from the layout by eye |
| Tone | B50K | B50k | Potentiometer | read from the layout by eye |
| Fuzz | B1K | B1k | Potentiometer | read from the layout by eye |
| Feedback | B100K | B100k | Potentiometer | read from the layout by eye |
| Level | A100K | A100k | Potentiometer | read from the layout by eye |