# Boss TU-3

> This tuner entry consolidates documented Boss TU-3 variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/boss-tu-3/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Tuner
- **Types:** Buffer, Tuner
- **Also known as:** BOSS Chromatic Tuner, TU-3
- **Controls:** Bypass footswitch, Display, Footswitch, Mode, Stream/Cent
- **Identification:** The model is identified.
- **Documented appearances:** 3 boards, 2012–2026

The white BOSS chromatic tuner, its 21-segment display and Chromatic Tuner legend legible at the right-hand end of the board's back row.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Kenny Wayne Shepherd | 2012 touring board | 2012-02-22 | 9 | Source-described | https://pedalboardarchive.com/artists/kenny-wayne-shepherd/kenny-wayne-shepherd-tour-board-2012/ |
| Mateus Asato | Pedalboard 2026 | 2026-07-29 | 1 | Reconstructed | https://pedalboardarchive.com/artists/mateus-asato/world-tour-board-2026/ |
| Tyler Bryant | Shakedown touring board | 2018-12-05 | 2 | Source-described | https://pedalboardarchive.com/artists/tyler-bryant/shakedown-board-2018/ |