Pedals that stack with the Electro-Harmonix Holy Grail Max

The Screamer's mid-forward boost feeds the Holy Grail Max's simple spring reverb a driven signal instead of a clean one, not really stacking gain with it.

Comes earlier in the signal chain

Push the Holy Grail Max's simple, natural spring reverb with the Klon's clear midrange boost and the wash gets a brighter signal to swell into.

Comes earlier in the signal chain

Run the Phase 90's classic sweep after the Holy Grail Max's simple, natural spring reverb and the modulation colors the decay directly.

Comes earlier in the signal chain

Run Hughes & Kettner Tube Rotosphere MKII The Analog Leslie Simulator after Electro-Harmonix Holy Grail Max in the signal chain, where it won't crowd Electro-Harmonix Holy Grail Max

Comes earlier in the signal chain

Put Electro-Harmonix Holy Grail Max after MXR Phase 95 in the signal chain, where it won't crowd MXR Phase 95

Comes earlier in the signal chain

Put Electro-Harmonix Holy Grail Max after T-Rex Sweeper 2 in the signal chain, where it won't crowd T-Rex Sweeper 2

Comes earlier in the signal chain

Keep Big Joe Stomp Box Company B-306's modulated voice out front: Electro-Harmonix Holy Grail Max goes after Big Joe Stomp Box Company B-306 in the signal chain so its spring voice doesn't muddy it

Comes earlier in the signal chain

Run Electro-Harmonix Holy Grail Max after Old Blood Noise Endeavors Visitor in the signal chain, where it won't crowd Old Blood Noise Endeavors Visitor

Comes earlier in the signal chain

Put Electro-Harmonix Holy Grail Max after CNZ Audio SPH-20 in the signal chain, where it won't crowd CNZ Audio SPH-20

Comes earlier in the signal chain

Run Electro-Harmonix Holy Grail Max after Eventide TriceraChorus Tri-Stereo Chorus in the signal chain, where it won't crowd Eventide TriceraChorus Tri-Stereo Chorus

Comes earlier in the signal chain

Keep Electro-Harmonix Holy Grail Max after Moen AM-TR Tremolo in the signal chain, where it won't crowd Moen AM-TR Tremolo

Comes earlier in the signal chain

Electro-Harmonix Holy Grail Max's spring voice goes after EarthQuaker Devices Pyramids Solar Eclipse Edition in the signal chain — it's not there to compete with EarthQuaker Devices Pyramids Solar Eclipse Edition's own harmonically rich character

Comes earlier in the signal chain

Run Electro-Harmonix Holy Grail Max after Electro-Harmonix Mod Rex in the signal chain, where it won't crowd Electro-Harmonix Mod Rex

Comes earlier in the signal chain

Keep Electro-Harmonix Holy Grail Max after Rotosound RWB1 The Wobbler Tremolo in the signal chain, where it won't crowd Rotosound RWB1 The Wobbler Tremolo

Comes earlier in the signal chain

Keep Fender - Hammertone Series, Chorus's modulated voice out front: Electro-Harmonix Holy Grail Max goes after Fender - Hammertone Series, Chorus in the signal chain so its spring voice doesn't muddy it

Comes earlier in the signal chain

Put Electro-Harmonix Holy Grail Max after Walrus Audio Julia V2 in the signal chain, where it won't crowd Walrus Audio Julia V2

Comes earlier in the signal chain

Put Electro-Harmonix Holy Grail Max after One Control Little Chorus in the signal chain, where it won't crowd One Control Little Chorus

Comes earlier in the signal chain

Keep Ross Chorus's analog warmth voice out front: Electro-Harmonix Holy Grail Max goes after Ross Chorus in the signal chain so its spring voice doesn't muddy it

Comes earlier in the signal chain

Put Electro-Harmonix Holy Grail Max after JHS Pedals JHS Kilt V10 in the signal chain, clear of JHS Pedals JHS Kilt V10's own gain stage

Comes earlier in the signal chain

Keep Electro-Harmonix Holy Grail Max after Old Blood Noise Endeavors Flat Flanger in the signal chain, where it won't crowd Old Blood Noise Endeavors Flat Flanger

Comes earlier in the signal chain

Keep Electro-Harmonix Holy Grail Max after Walrus Audio Fundamental Series Overdrive in the signal chain, clear of Walrus Audio Fundamental Series Overdrive's own gain stage

Comes earlier in the signal chain

Put Electro-Harmonix Holy Grail Max after Line 6 DM4 Distortion Modeler in the signal chain, clear of Line 6 DM4 Distortion Modeler's own gain stage

Comes earlier in the signal chain

Run Electro-Harmonix Holy Grail Max after Greer Sureshot in the signal chain, clear of Greer Sureshot's own gain stage

Comes earlier in the signal chain

Keep The Next Sound CH-05 Auto Wah's dynamic voice out front: Electro-Harmonix Holy Grail Max goes after The Next Sound CH-05 Auto Wah in the signal chain so its spring voice doesn't muddy it

Comes earlier in the signal chain