That would probably be a chap named Leo Smee.
I used to lust after that bass when I used to go see Cathedral!!
I have to say that I'd still nab it in a heartbeat lol
you might find some decent info on the BC rich junkies Fb page.
There's loads of very knowledgeable chapos on there including some ex higherups
Equally messaging Neil Moser on fb might help - He designed the circuits