# MXR Phase 45

> This modulation entry consolidates documented MXR Phase 45 variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/mxr-phase-45/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Modulation
- **Types:** Modulation, Phaser
- **Also known as:** MX-105, Phase 45, Vintage Phase 45
- **Controls:** Speed
- **Identification:** The model is identified.
- **Documented appearances:** 2 boards, 1977–2012

MXR Phase 45 as documented in this dated rig.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Kirk Fletcher | Vertex stereo board | 2012-08-15 | 6 | Cable-traced | https://pedalboardarchive.com/artists/kirk-fletcher/vertex-board-2012/ |
| Steve Jones | Anarchy studio effect | 1977-01-01 | 1 | Source-described | https://pedalboardarchive.com/artists/steve-jones/anarchy-studio-effect-1977/ |