# Early Big Muff Pi (revision unverified)

> This gain entry consolidates documented Early Big Muff Pi (revision unverified) variants, controls, settings and roles across dated guitarist pedalboards.

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

- **Category:** Gain
- **Types:** Distortion, Fuzz, Sustain
- **Also known as:** Big Muff, Big Muff distortion pedal
- **Controls:** Sustain, Tone, Volume
- **Identification:** The model is only partly identified; the archive records what the evidence supports.
- **Documented appearances:** 1 board, 1969

The three-knob Big Muff Kramer recalls using during the Kick Out the Jams era; surviving evidence does not identify its exact early production revision.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Wayne Kramer | MC5 early Big Muff core | 1969-01-01 | 1 | Reconstructed | https://pedalboardarchive.com/artists/wayne-kramer/kick-out-the-jams-era-big-muff-1969/ |