Effect profile /Reverb & Ambience

Holy Grail

Also catalogued as Electro-Harmonix Holy Grail

Explore the documented settings, signal-chain positions and roles of Holy Grail in dated rigs by Kevin Parker and Mark Speer. Every appearance remains tied to its supporting sources.

Pedalboards
2
Artists
2
Archive records
2
Controls in the archive
Mode selectorReverb amount

How this pedal appears in the archive

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 pedalboards

2015–2018Dated coverage

3Cited sources