[. . . ] 10" (25. 4cm) SHALLOW DVC SUBWOOFER 10-21/32''DIA 9-25/32" DIA 25/32" 2-25/32" Excursion Control NBR Surround Aluminumized Composite Dust Cap Molded Rubber Front Gasket High Strength FRP Cone Gold Plated Terminal Heavy Duty Sewn Braided Tinsel Leads Formed Top Plate High Strength Stamped Steel Basket Kapton Voice Coil Former High Temperature Nomex Spider Fiber Reinforced Composite Spider Landing Ring Heavy Duty Dual Copper Voice Coil Enclosed 49oz Strontium Ferrite Magnet Integrated Vented Bottom Plate Air Cooled Voice Coil Chamber Electrical Specifications Maximum Musical Input Power Continuous Input Power Sensitivity Impedance 900W 300W 83dB 4 ohms + 4 ohms Fo Vas Qts Sd Thiele / Small Electromechanical Parameters Resonance Frequency Equivilant Stiffness Total Electromechanical Dampening Cone Area 35Hz 19. 8L 0. 56 314. 1 cm² Sealed Enclosure Recommendation Vb F3 Qtc H W D Internal Area cu. [. . . ] External dimensions are based on the use of 3/4" (1. 9cm) material. The port can be placed on any fitting face as long as the port ends are not obstructed. When using enclosures other than recommended, contact technical support or your local installation expert. Proper enclosure design is one of the key components to subwoofer performance and should be handled by experienced installers. [. . . ] Please contact your authorized Clarion dealer for the best results. 8-29/32''DIA [. . . ]