{"product_id":"dd-audio-718d-700-series-high-performance-18-subwoofer","title":"DD Audio 718D 700 Series High-Performance 18\" Subwoofer","description":"Local Pickup Only. Contact us for details \u0026amp; exceptions.\u003cbr\u003e--\u003cbr\u003eThe 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 invented or multi-order enclosures. \u003cbr\u003e\u003cbr\u003e700 Series Features:\u003cbr\u003eEROM surround\u003cbr\u003eHigh-temp, 3.0”, voice coil\u003cbr\u003eTriple layer Deep bass, high excursion spider system\u003cbr\u003eUnique glass fiber and natural pulp cone\u003cbr\u003eBackplate coil gap venting\u003cbr\u003eExtended pole piece\u003cbr\u003eDD cast basket\u003cbr\u003e\u003cbr\u003eMODEL 715D\u003cbr\u003eDriver Size 18\"\u003cbr\u003eWatts RMS 600 - 1200\u003cbr\u003ePeak Power 3600\u003cbr\u003eVCD 3\u003cbr\u003eImpedance D2 \/ D4\u003cbr\u003ePiston Dia - in \u003cspan\u003e15 1\/2\u003c\/span\u003e\u003cbr\u003eFs - Hz \u003cspan\u003e26.92\u003c\/span\u003e\u003cbr\u003eQms \u003cspan\u003e6.79\u003c\/span\u003e\u003cbr\u003eQes \u003cspan\u003e0.567\u003c\/span\u003e\u003cbr\u003eQts \u003cspan\u003e0.5233\u003c\/span\u003e\u003cbr\u003eVas - liters \u003cspan\u003e170.4\u003c\/span\u003e\u003cbr\u003eXmech - mm 80\u003cbr\u003eXmax - mm 16\u003cbr\u003eFrame OD - in \u003cspan\u003e18 3\/8\u003c\/span\u003e\u003cbr\u003eFrame OD w\/Gasket - in \u003cspan\u003e18 1\/2\u003c\/span\u003e\u003cbr\u003eMounting Diameter - in \u003cspan\u003e16 5\/8\u003c\/span\u003e\u003cbr\u003eMounting Depth - in \u003cspan\u003e10 1\/2\u003c\/span\u003e\u003cbr\u003eMotor Diameter - in 7 3\/4\u003cbr\u003eMotor Depth - in 3 1\/2\u003cbr\u003eWoofer Displacement - cu ft \u003cspan\u003e0.25\u003c\/span\u003e\u003cbr\u003eSealed Enclosure - cu ft N\/A\u003cbr\u003ePorted Enclosure - cu ft \u003cspan\u003e6.0 - 8.0\u003c\/span\u003e\u003cbr\u003eShipping Weight - lbs 43","brand":"DD Audio","offers":[{"title":"Dual 2 Ohm","offer_id":31402620682377,"sku":"718D2","price":620.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 Ohm","offer_id":31402620715145,"sku":"718D4","price":620.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/0511\/4761\/products\/DD-Audio-710D-700-Series-High-Performance-10-inch-Subwoofer-1_56d509fc-04f0-401b-97ca-f5a8a9e934c6.jpg?v=1611606196","url":"https:\/\/soundsgoodtn.myshopify.com\/products\/dd-audio-718d-700-series-high-performance-18-subwoofer","provider":"Sounds Good Stereo Nashville","version":"1.0","type":"link"}