Enclosure not stated · 4 knobs
Suhr Rufus FuzzVerified
Based on the Suhr Rufus Fuzz· 3 other boards clone it
From the post
Schematic avaiable at PedalPCB. Did one tiny mod; replaced the drain resistor of Q4 (20k) with a trimpot for easier biasing.
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 32 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 20K at col 7 rows F-H and 91K at col 17: printed clearly, unusual values
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| ×1 | 680Ω | 680 | read from the layout by eye | |
| ×1 | 820Ω | 820 | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 5.1K | 5.1k | read from the layout by eye | |
| ×1 | 8.2K | 8.2k | read from the layout by eye | |
| ×1 | 20K | 20k | read from the layout by eye | |
| ×4 | 33K | 33k | read from the layout by eye | |
| ×1 | 68K | 68k | read from the layout by eye | |
| ×1 | 91K | 91k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 200K | 200k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 820pF | 820p | read from the layout by eye | |
| ×2 | 1.5nF | 1.5n | read from the layout by eye | |
| ×3 | 22nF | 22n | read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | J202 | J202 | JFET; read from the layout by eye | |
| Q4 | J202 | J202 | JFET; read from the layout by eye | |
| Q2 | BC546A | BC546A | read from the layout by eye | |
| Q3 | BC546A | BC546A | read from the layout by eye | |
| Potentiometers 4 | ||||
| Fuzz | B1K | B1k | Potentiometer | read from the layout by eye |
| Bass | A500K | A500k | Potentiometer | read from the layout by eye |
| Mid | B25K | B25k | Potentiometer | read from the layout by eye |
| Level | B100K | B100k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 50K | 50k | read from the layout by eye | |
| Switches 2 | ||||
| Fat Sw | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| Treble Sw | SPDT on/off/on | SPDT ON/OFF/ON | toggle; read from the layout by eye | |
Other boards based on the Suhr Rufus Fuzz
- Suhr Rufus Fuzz Effects Layouts (blog) · 1590B
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