Here is a copy of the schematic.  Thinking about building a closed back cab for it and rigging a harness for 2 12s.   
http://www.bustedgear.com/resources.htm

Trying to tighten up the bottom end on my 85 deluxe and cut out some of the harshness in the treble when I use distortion.  Anybody have any ideas in terms of replacement speakers?