Recorded model
Electro-Harmonix Holy Grail Nano
Controls
Reverb / Mode
Documented settings
Exact control positions not published / Placement follows the board evidence note
Effect profile / Reverb & Ambience
This reverb & ambience entry consolidates documented Electro-Harmonix Holy Grail Nano variants, controls, settings and roles across dated guitarist pedalboards.
Source-specific records
1 archive entry
Reverb / Mode
Exact control positions not published / Placement follows the board evidence note
Archive references
1 documented rig