BJFE Blueberry Bass Overdrive

One day last month a user called JFace show up out of the blue at FreeStompBoxes with a trace of his original BJFE BBOD, one of the most searched OD for bass, it was like the holy grail, a lot of people searching for it as it was supposed to give the eternal tone. I now understand why, this thing sound freaking awesome.

This is my veroboard layout, verified and boxed:

This is how it looks