DD Audio DD-712D: Hand-Built with the Same High Energy Design Philosophy as their Hi-Def & Power Tuned Subwoofers! 700 Series Power Tuned Subwoofer The 700 series is designed for serious performance. It features a DD cast basket supporting a triple stack magnet motor, heavy duty suspension, and a high strength cone coupled to a massive EROM surround, making them best suited for duty in vented or multi-order enclosures. DD Audio Marine Grade products are not certified for saltwater environments. Any DD Audio Product bearing the Marine Grade logo incorporates water resistant features enabling it to be used in applications where moderate exposure to moisture will not result in damage to the product. Marine Grade products are not waterproof, and submersion or excessive moisture exposure may result in product failure. DD Audio DD-712D Features: EROM Surround High-Temp, 3.0”, Voice Coil Triple layer Deep bass, high excursion spider system Unique glass fiber and natural pulp cone Back Plate Coil Gap Venting Extended Pole Piece DD Cast Basket Specifications: Driver Size: 12" RMS: 600 - 1200W Peak: Power 3600W VCD: 3 Impedance: D2 / D4 Piston Diameter: 10 1/4" Fs: 28.26Hz QMS: 4.344 QES: 0.4823 QTS: 0.4341 Vas: Liters 39.64 Xmech: 80mm Xmax: 14mm Frame OD: 12 5/8" Frame OD With Gasket: 12 7/8" Mounting Diameter: 11 3/8" Mounting Depth: 8 9/16" Motor Diameter: 7 3/4" Motor Depth: 3 1/2" Woofer Displacement: 0.17 Cu Ft. Ported Enclosure: 1.75 - 2.75 Cu Ft. Shipping Weight: 17.24kg (38.0 Lbs.)
