Does anyone know the history of this amp? I just scored one off ebay (a 400w head for a stupid low BIN = what the heck! ). I am presuming that someone made it for them. Looking at the setup, I kind of like the feature set: bass, mid (with selector switch for freq.) treble, variable send and variable return effects loop, defeatable limiter, 400w into 4 ohm, etc. Heck, the BIN includes a Monster Cable speaker cable, so this thing is like, really cheap. Any information on this would be appreciated. Thanks, Tom.