Electro-Harmonix Holy Grail Reverb Pedal (EHX Demo by TOM BURDA) - YouTube
Electro Harmonix Holy Grail Plus + Effect Pedal | Derringers Music Australia
Pre-Owned EHX Holy Grail Plus - Five Star Guitars
JHS Pedals - now available...send us your EHX Holy Grail (big box version only) and we can Mod it to Dual Reverb Mod. Details at: http://www.jhspedals.com/electro-harmonix-holy-grail-dual-reverb-mod | Facebook
Electro-Harmonix Holy Grail Reverb Pedal (Demo by Peter Stroud) - YouTube
Electro-Harmonix Holy Grail Reverb Pedal (Demo by Peter Stroud) - YouTube
Electro Harmonix Holy Grail Nano Reverb – Thomann UK
Holy Grail Nano | Reverb - Electro-Harmonix
Electro-Harmonix Holy Grail Nano
Electro-Harmonix Holy Grail Reverb V1 | Reverb
Electro-Harmonix Holy Grail - Digital Reverb | Long & McQuade