Effect profile /Modulation
Also catalogued as EVH90 phaser
Explore the documented settings, signal-chain positions and roles of MXR Phase 90 in dated rigs by Albert King, Eddie Van Halen, John Frusciante, and 7 more. Every appearance remains tied to its supporting sources.
These are not generic specifications. Every entry is tied to a dated artist rig and preserves what the sources support: its job in that rig, known settings and its place in the signal path.
How the archive verifies pedalboards1978–2024Dated coverage
21Cited sources
Adds a restrained moving phase texture while leaving the Flying V and solid-state amplifier as the core sound.
Adds a slow phase sweep after the flanger and before the Echoplex preamp.
Adds the phase sweep heard on the Parallel Universe outro.
Adds single-knob phasing before the signal split.
Adds the familiar single-control phase voice.
Supplies phasing from the fourth switcher loop.
Adds the familiar four-stage phase sweep to Fortus' selectable modulation palette.
Closes the long-term board as a dedicated song-specific modulation voice.
Adds a slow, broad phase sweep to Moore's otherwise distortion-led board.
Introduces a compact phase sweep before the two vibe-style modulation units.
