hi...i need a measurment of how to build 12" woofer box.my woofer is 12'' 2000 Watt DVC Legacy Red Series Subwoofer. Dual Magnet Structure Dual 2'' High Temperature Kapton Voice Coil. 4 Ohm Impedance Per Coil 1000 Watts RMS/2000 Watts Peak SPL @ 1W/1M: 88dB Frequency Response: 30Hz-1.5KHz Mounting Depth: 5'' Magnet Weight: 100 + 100 oz.