If you like wasting hour after hour messing with different knobs to obtain a decent tone, this pedal is for you. Too complicated. Takes forever to perfect a simple reverb. Maybe there are some hidden tones that make it worth it-- or maybe not. Makes a lot of noise that has, more than once, followed me onstage. Its a little embarrassing.

I bought this pedal to use with a cello bow on my Les Paul. It created some pretty cool effects, but they took forever to fine tune. I've heard just as awesome cello bow sounds come from the Holy Grail.

So, go with the MUCH cheaper Holy Grail. Great, basic reverb tones that are simple to adjust and fine tune.

I bought one of these things because my amp has a real muddy reverb line. This thing was bogus from the minute I plugged it in. It put the amp into distortion even when the amp was on a clean channel. Nothing on it worked the way it was supposed to. It was sorta confusing and not real straight forward. THe sound was totally unacceptable, lots of noise. Maybe the unit I got was damaged somehow? If they all sound like this one did, I'd throw rocks at it.

Dave

I thought I might have been taking a risk when I ordered the Holiest Grail after nearly obsessive research on other reverb pedals. I shouldn't have been worried because this pedal is amazing. The reverb is so customizable and warm sounding. I don't see how I can play without it now since it has really made my tone interesting.(I use a Fender Strat and a humble little Marshall amp).

The presets are really fun to play around with, especially since they're easy to switch back and forth to. Personally the echo verb and resonator are my favorite presets. Very unique.

The only issue I've had so far is that sometimes I get a swelling feedback if I have certain settings up to high at the same time (mainly the gain and feedback switches obviously) This is especially true when used with the resonator preset. But that's easily taken care of by just laying off of them a bit.

Overall I'd say even for the price this pedal is well worth it. Very good if you want over the top spacey and long ambient sounds or short springy tones, it should really accommodate any specific sound one would be looking for.

I own the holy grail, holier grail, and figured why not own em all. I play alot of shoegaze and post rock and this pedal will never leave my line up. Versatile and top quality. I also have it as an external effect bus when I record with protools cause its stereo if you require it. Midi is dope for that too.

I like this pedal and I am very picky about my reverb sound. It is not perfect but what ever is?

I have owned many tube amps with reverb over the years and this honestly beats everything I ever owned with reverb both in tone and versatility. I bought this out of need and it works much better than I expected. I hardly ever play with out it as it adds so much warmth and depth.

It also is so versatile you can get from very subtle to extreme reverb tones from it. I also see no need to use a compressor while using this as it adds some compression too. I get very good david gilmour-esque ambient 3 dimensional tones from this thing. Thats great since I play pink floyd a lot. Sounds very spacey- If you want it to.

Hall sounds like a huge auditorium or maybe even a big empty cave- simply awesome/ -- you will probablly have to tweak the presets a bit but they get you real close to where you need to be.You can easily program them too to personal taste.

Really though if you buy this you should read the phamplet that comes with it as otherwise it is a little tricky to figure out exactly what each slider does. The controls each have a drastic effect on the sound and some will overpower others if not set right. I wish it was a hundred bucks cheaper, it is a lot for a single stompbox but it has so many good sounds in it I don't doubt buying it at all.