Enclosure not stated · 4 knobs
VFE Pedals Fuzz Duo
Based on the VFE Fuzz Duo· 2 other boards clone it
From the post
Schematic is avaiable HERE.
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 22 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 3 | ||||
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| Capacitors 6 | ||||
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 1uF | 1u | read from the layout by eye | |
| ×2 | 22uF | 22u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | BC108 | BC108 | hFE ~450; read from the layout by eye | |
| Q2 | OC139 | OC139 | OC139/OC140, hFE ~70; read from the layout by eye | |
| Q3 | BC108 | BC108 | hFE ~650; read from the layout by eye | |
| Q4 | OC139 | OC139 | OC139/OC140, hFE ~130; read from the layout by eye | |
| Inductors 1 | ||||
| ×3 | 1mH | 1mH | read from the layout by eye | |
| Potentiometers 4 | ||||
| Fuzz | C1K | C1k | Potentiometer | read from the layout by eye |
| Filter | W1M | W1M | Potentiometer | legend: 1mW, try 1mB or 1mC; read from the layout by eye |
| Bias | B25K | B25k | Potentiometer | read from the layout by eye |
| Level | A500K | A500k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| FDBK | 200K | 200k | 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 Fuzz Duo Effects Layouts (blog)
- VFE Pedals Fuzz Duo Tagboard Effects