Enclosure not stated · 5 knobs
VFE Fuzz DuoVerified
Based on the VFE Fuzz Duo· 2 other boards clone it
From the post
Happy Fuzz Friday! Here's a pretty cool Fuzz Face variant from an equally cool builder, VFE. Both transistors are switchable between silicon and germanium, and it's got a few other cool tweaks too. Schematic here for reference.
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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Check before you build · 1 value the reader of this layout was not sure of
- 22nF under the Fuzz pot pads (rows C-D): printed 22nF on both the board and the wiring diagram but drawn as a round electrolytic can, so it may be meant as 22uF
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| Capacitors 6 | ||||
| ×2 | 22nF | 22n | one drawn as a round can under the Fuzz pads; read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 1uF | 1u | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | OC139 | OC139 | or similar Ge; read from the layout by eye | |
| Q2 | BC108 | BC108 | or similar Si; read from the layout by eye | |
| Q3 | OC139 | OC139 | or similar Ge; read from the layout by eye | |
| Q4 | BC108 | BC108 | or similar Si; read from the layout by eye | |
| Inductors 1 | ||||
| ×3 | 1mH | 1mH | read from the layout by eye | |
| Potentiometers 5 | ||||
| Filter | W1M | W1M | Potentiometer | read from the layout by eye |
| Feedback | B200K | B200k | Potentiometer | read from the layout by eye |
| Bias | B25K | B25k | Potentiometer | read from the layout by eye |
| Fuzz | C1K | C1k | Potentiometer | read from the layout by eye |
| Level | A500K | A500k | Potentiometer | pads labelled Volume on the board; read from the layout by eye |
| Switches 2 | ||||
| TR1 | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
| TR2 | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
Other boards based on the VFE Fuzz Duo
- VFE Pedals Fuzz Duo Dirtbox Layouts
- VFE Pedals Fuzz Duo Tagboard Effects