# Electro-Harmonix V3 Big Muff Pi

> This gain entry consolidates documented Electro-Harmonix V3 Big Muff Pi variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/electro-harmonix-v3-big-muff-pi/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Gain
- **Types:** Fuzz, Sustain
- **Also known as:** Big Muff Distortion, V3 Big Muff
- **Controls:** Sustain, Tone, Volume
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 1978

The familiar large silver four-screw fuzz circuit, removed from its floor case and mounted on a plug-in Blue Box card.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Frank Zappa | Blue Box four-output effects system | 1978-01-01 | 1 | Source-described | https://pedalboardarchive.com/artists/frank-zappa/blue-box-four-output-rig-1978/ |