Enclosure not stated · 2 knobs
Guyatone WR3 Wah RockerVerified
Based on the Guyatone WR3 Wah Rocker· 2 other boards clone it
- Category
- EQ / Filter
- Build
- Vero· 19×19· 24 cuts, 13 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Auto Wah, Filter, Guyatone
From the post
A fairly simple to build auto wah that is supposed to sound really good. 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 29 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×3 | 100K | 100k | read from the layout by eye | |
| ×2 | 470K | 470k | read from the layout by eye | |
| ×1 | 5.1K | 5.1k | read from the layout by eye | |
| ×1 | 12K | 12k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×5 | 47K | 47k | read from the layout by eye | |
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×1 | 3.3M | 3.3M | read from the layout by eye | |
| Capacitors 11 | ||||
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×1 | 33nF | 33n | read from the layout by eye | |
| ×1 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×3 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| D1 | DS448 | DS448 | Try 1N4148; read from the layout by eye | |
| D2 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2N5088 | 2N5088 | read from the layout by eye | |
| ICs 2 | ||||
| IC1 | NJM4558 | NJM4558 | read from the layout by eye | |
| IC2 | NJM4558 | NJM4558 | read from the layout by eye | |
| Potentiometers 2 | ||||
| Attack | C500K | C500k | Potentiometer | read from the layout by eye |
| Decay | B1M | B1M | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
Other boards based on the Guyatone WR3 Wah Rocker
- WR3 Wah Rocket Griffin Effects · $15.00
- Duck Box Envelope Filter PedalPCB · 125B · $8.00