User ManualTable of ContentsPunch Power Woofer Contents1Introduction1Design Features1Cast Aluminum Basket1Oversized Magnet1Binding Post Terminals1AeroVent™ Pole Piece2Suspension2Voice Coil2Cone2Low Frequency Speaker Systems2Using The Punch Power Woofer2Calculating Load Impedance3Calculating Volume4Building An Enclosure4Specifications5Warranty Information6Size: 36.7 KBPages: 12Language: EnglishOpen manual