It works much better when the amp is on the clean channel or with a slight overdrive

If you have a tube amp with a clean channel and a pedal board, this is the ultimate metal pedal.

However, if your amp doesn't have a good distortion channel or capability, then a more conservative (and affordable

The best thing about this pedal is the FLEXIBILITY of distortion tones, add a little gain on your amp after the pedal to get wicked death metal sounds or play on your clean channel and get some thick syrupy doom/sludge tones