ELECTRO HARMONIX-HOLY GRAIL PLUS

The Holy Grail Plus starts with the Holy Grail's amazing spring, hall, and flerb reverbs, and adds a graceful room reverb. The Plus' multifunction control lets you control decay, damping and modulation speed. The Grail has gotten even more divine! More info at: http://www.ehx.com/products/holy-grail-plus