{"product_id":"ad4212-d2","title":"AD4212 D2","description":"\u003cp\u003eThe 4000 series 12 employs a finely-tuned balance of damping and extensive motor force to achieve very high efficiency, offering exceptional versatility and unmatched performance in a variety of real-world functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFs\u003c\/strong\u003e 29.980 Hz\u003cbr\u003e\n\u003cstrong\u003eQms\u003c\/strong\u003e 5.479\u003cbr\u003e\n\u003cstrong\u003eVas\u003c\/strong\u003e 20.310 liters\u003cbr\u003e\n\u003cstrong\u003eCms\u003c\/strong\u003e 0.066 mm\/N\u003cbr\u003e\n\u003cstrong\u003eMms\u003c\/strong\u003e 419.300 g\u003cbr\u003e\n\u003cstrong\u003eRms\u003c\/strong\u003e 14.573 kg\/s\u003cbr\u003e\n\u003cstrong\u003eDia\u003c\/strong\u003e 243.000 mm\u003cbr\u003e\n\u003cstrong\u003eSd\u003c\/strong\u003e 463.770 sq cm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQes\u003c\/strong\u003e 0.429\u003cbr\u003e\n\u003cstrong\u003eRe\u003c\/strong\u003e 4.231 ohms\u003cbr\u003e\n\u003cstrong\u003eLe\u003c\/strong\u003e 2.814 mH\u003cbr\u003e\n\u003cstrong\u003eZ\u003c\/strong\u003e 5.077 ohms\u003cbr\u003e\n\u003cstrong\u003eBL\u003c\/strong\u003e 27.904 Tm\u003cbr\u003e\n\u003cstrong\u003eBL^2\/Re\u003c\/strong\u003e 184.025 N^2\/W\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQts\u003c\/strong\u003e 0.398\u003cbr\u003e\n\u003cstrong\u003eno\u003c\/strong\u003e 0.123 %\u003cbr\u003e\n\u003cstrong\u003eSPL\u003c\/strong\u003e 83.044 dB\u003cbr\u003e\n\u003cstrong\u003eEBP\u003c\/strong\u003e 69.851\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eXmax\u003c\/strong\u003e 23.5 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Diameter\u003c\/strong\u003e 12in\u003cbr\u003e\n\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e 12.60in \/ 320mm\u003cbr\u003e\n\u003cstrong\u003eMounting Hole Diameter\u003c\/strong\u003e 11.12in \/ 282.5mm\u003cbr\u003e\n\u003cstrong\u003eBolt Hole Circle Diameter\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eMotor Outer Diameter \u003c\/strong\u003e7.72in \/ 196mm\u003cbr\u003e\n\u003cstrong\u003eMounting Depth\u003c\/strong\u003e 7.64in \/ 194mm\u003cbr\u003e\n\u003cstrong\u003eRequired Pole Vent Clearance\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eDriver Displacement\u003c\/strong\u003e 0.114 cu ft \/ 3.24 l\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum Sealed Volume\u003c\/strong\u003e N\/A\u003cbr\u003e\n\u003cstrong\u003eMinimum Vented Volume\u003c\/strong\u003e 1.30 cu ft \/ l net*\u003c\/p\u003e\n\u003cp\u003e* Tune for desired response\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"alignnone size-large wp-image-2477\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D2_vented_single-870x1024.png\" alt=\"\" width=\"870\" height=\"1024\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe above designs have been engineered for a “two tier” balance of compatibility: First, between the cabin acoustics of a sedan, hatchback and an SUV, and second, between the two available voice coil configurations, for a total of six balance points. This ensures a linear response and optimal power handling for listening purposes under most circumstances. Please visit our \u003ca href=\"https:\/\/adcaraudio.com\/store\/enclosure-design-service\/\"\u003eEnclosure Design Service\u003c\/a\u003e page for custom designs.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-10.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-2813\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-sedan-4door-single-sub-2.png\" alt=\"\" width=\"300\" height=\"255\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-11.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-2815\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-SUV-4door-single-sub-1.png\" alt=\"\" width=\"300\" height=\"255\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-117.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4041\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-63.png\" alt=\"\" width=\"300\" height=\"255\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-145.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4136\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-87.png\" alt=\"\" width=\"300\" height=\"255\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-251.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-5594\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-189.png\" alt=\"\" width=\"300\" height=\"255\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Audio Dynamics","offers":[{"title":"Default Title","offer_id":52549564006631,"sku":"AD4212 D2","price":549.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.mediocrecustoms.com\/products\/ad4212-d2","provider":"Mediocre Customs","version":"1.0","type":"link"}