Enclosure not stated · 1 knob
Foxx Wah InductorlessVerified
Based on the Foxx Wah Inductorless
- Category
- Wah / Envelope
- Controls
- Wah
- Build
- Vero· 15×12· 7 cuts, 5 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Foxx, Wah
From the post
Foxx sold a couple of wah variants in the early 70s, often combined with a Foxx Tone Machine circuit. There was an inductorless version and a Cry Baby variant with a 4 posistion "Wah Tone" selector switch. This layout is for the inductorless version. HERE is the schematic.
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 17 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 2 values the reader of this layout was not sure of
- 2.8M at column 3, rows H-J: printed clearly, unusual value
- 50K trimmer at columns 11-14, rows D-G: drawn on the board with no name; taken as a trimmer separate from the wah pot, which has its own Wah 1/2/3 wires
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 150K | 150k | read from the layout by eye | |
| ×2 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 6.8K | 6.8k | read from the layout by eye | |
| ×1 | 2.8M | 2.8M | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| Capacitors 5 | ||||
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | 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 2 | ||||
| Q1 | 2N5133 | 2N5133 | read from the layout by eye | |
| Q2 | 2N5133 | 2N5133 | read from the layout by eye | |
| Potentiometers 1 | ||||
| Wah | B50K | B50k | Potentiometer | wah pot; read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 50K | 50k | read from the layout by eye | |