Enclosure not stated
Single OA wah
- Category
- Wah / Envelope· Filters Wahs and VCFs
- Price
- see vendor
- Tags
- Filters Wahs and VCFs
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 15 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×2 | 100k | 100k | 9V divider for bias; read from the schematic by eye | |
| ×1 | 100k | 100k | inverting-input bias; read from the schematic by eye | |
| ×1 | 100k | 100k | input series; read from the schematic by eye | |
| ×1 | 120k | 120k | to inverting input; read from the schematic by eye | |
| ×1 | 330k | 330k | input pulldown; read from the schematic by eye | |
| ×1 | 120k | 120k | feedback; read from the schematic by eye | |
| ×1 | 10k | 10k | in series with the wah pot; read from the schematic by eye | |
| Capacitors 5 | ||||
| ×3 | 47u | 47u | supply filter and bias decoupling; read from the schematic by eye | |
| ×1 | 22n | 22n | input; read from the schematic by eye | |
| ×1 | 220p | 220p | feedback; read from the schematic by eye | |
| ×3 | 22n | 22n | twin-T / bridge network; read from the schematic by eye | |
| ×1 | 1u | 1u | output coupling; read from the schematic by eye | |
| ICs 1 | ||||
| ×1 | ? | ? | op amp, no part number given; read from the schematic by eye | |
| Potentiometers 2 | ||||
| ×1 | B10k | B10k | Potentiometer | wah pot (B10K); read from the schematic by eye |
| ×1 | B220k | B220k | Potentiometer | output level pot (B220K); read from the schematic by eye |