I've just ordered an S-12 with all ceiling speakers.  I have the walls in the room all open (no sheetrock).  I can run the wires for the S-12 through the wall and out a wall jack.  I need to know what wiring the S-12 needs and what kind of wall jack would be best.  The S-12 is going to be hooked up to an Onkyo 603 ...