1590A
Escobedo Idiot WahVerified
Based on the Escobedo Idiot Wah· 1 other board clones it
- Category
- Wah / Envelope
- Build
- Perfboard
- Layout
- Verified · Effects Layouts (blog) marks it as built and working
- Tags
- Escobedo, Wah
From the post
Here's a quicky designed by Tim Escobedo. It's an inductor-less wah, and you can use either a pot or an LDR to control the effect. It's small enough to fit in a 1590a if you want a fixed wah in a small package.
Resonance switch is a SPST.
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 14 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 1 value the reader of this layout was not sure of
- Res switch: the drawing shows only two wires (Res Sw1, Res Sw2) and does not state the switch type; SPST assumed
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 4 | ||||
| ×3 | 1M | 1M | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 470K | 470k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| Capacitors 6 | ||||
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×1 | 680pF | 680p | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×1 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N4001 | 1N4001 | printed 4001; read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | MPSA13 | MPSA13 | read from the layout by eye | |
| Potentiometers 1 | ||||
| VR | 50K | 50k | Potentiometer | 50k pot or LDR; read from the layout by eye |
| Switches 1 | ||||
| Res | SPST | SPST | type not stated; two wires Res Sw1/Sw2; read from the layout by eye | |
Other boards based on the Escobedo Idiot Wah
- Escobedo Idiot Wah Tagboard Effects