# Boss TW-1 T Wah

> This filter & eq entry consolidates documented Boss TW-1 T Wah variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/boss-tw-1-t-wah/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Filter & EQ
- **Types:** Auto-wah, Envelope filter
- **Also known as:** T Wah, TW-1
- **Controls:** Drive, Peak, Polarity, Sensitivity
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2008

A gray compact envelope filter with three knobs, a polarity switch and a hinged black footplate.

## Documented boards

Each row is an observed appearance on a dated board. A position is only an observed one where that board's order evidence says so.

| Artist | Board | Date | Positions | Order evidence | Page |
| --- | --- | --- | --- | --- | --- |
| Kevin Shields | Reunion tour three-board switching system | 2008-01-01 | 4 | Reconstructed | https://pedalboardarchive.com/artists/kevin-shields/reunion-tour-three-board-system-2008/ |