Based on R.G. Keen's schematic, this...
If you're like me, you love the sound of a 100W tube amp using its built-in distortion channel. This gives you everything from mild distortion to full-out, hard rock!
Such a small board that's capable of a way huge fuzz. This allows you to get everything from a mild overdrive all the way to a full-blown fuzz; it even fits in a small enclosure!