overdrive pedal in front mainly for added gain to push the preamp tube,now for the rp .comp.gain :5, ratio 2-1,thresh:0.amp type,brit.gain11,eqing up to your tastes,level,80. every thing after this is up to your imagination,youll be peeling paint off your walls!!!! i run this set up into a carvin sx200 with ext.212 cab. what youll have if you balance the o.d.with the comp. and tube preamp :huge ,super gained ultimate crunchinator,and dont for get your gate,we play loud so i keep mine between 6-8. if you to accept this mission,this message will self destruct and the paint on your walls will peel….