Please schematic BEHRINGER EP4000.pdf. Both the pdf's posted look like EP2500. You sure this is schematic for 4000? This item:Behringer Europower EP4000 Professional 4,000-Watt Stereo Power Amplifier $498.99. The EP2000 and EP4000 represent everything musicians love about Behringer's popular EP1500/EP2500--excellent sound quality, road-worthy toughness and reliability, low-noise operation