# ZVEX Mastotron

> This gain entry consolidates documented ZVEX Mastotron variants, controls, settings and roles across dated guitarist pedalboards.

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

- **Category:** Gain
- **Types:** Fuzz, Gated fuzz, Sub fuzz
- **Also known as:** Mastotron
- **Controls:** Fuzz, Pulse width, Subs, Tone, Volume
- **Identification:** The model is identified.
- **Documented appearances:** 2 boards, 2013–2018

Blue Mastotron is named and demonstrated as the tighter gated fuzz option.

## 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 |
| --- | --- | --- | --- | --- | --- |
| St. Vincent | Nice Rack true-bypass loop system | 2013-08-03 | 1 | Source-described | https://pedalboardarchive.com/artists/st-vincent/nice-rack-loop-system-2013/ |
| Tyler Bryant | Shakedown touring board | 2018-12-05 | 4 | Source-described | https://pedalboardarchive.com/artists/tyler-bryant/shakedown-board-2018/ |