# BOSS TU-3 Chromatic Tuner

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

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

- **Category:** Tuner
- **Types:** Buffer, Mute, Tuner
- **Also known as:** Boss TU-3, TU-3
- **Controls:** Footswitch, Mode, Stream/Cent
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2025

A road-worn white BOSS compact tuner with red hand-drawn input, output and bypass annotations around its jacks.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Zac Schulze | MNPR Soundcheck floor rig | 2025-04-19 | 1 | Cable-traced | https://pedalboardarchive.com/artists/zac-schulze/mnpr-soundcheck-floor-rig-2025/ |