{"product_id":"ad4212-d4","title":"AD4212 D4","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 32.100 Hz\u003cbr\u003e\n\u003cstrong\u003eQms\u003c\/strong\u003e 5.234\u003cbr\u003e\n\u003cstrong\u003eVas\u003c\/strong\u003e 21.950 liters\u003cbr\u003e\n\u003cstrong\u003eCms\u003c\/strong\u003e 0.072 mm\/N\u003cbr\u003e\n\u003cstrong\u003eMms\u003c\/strong\u003e 338.400 g\u003cbr\u003e\n\u003cstrong\u003eRms\u003c\/strong\u003e 13.183 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 0.472\u003cbr\u003e\n\u003cstrong\u003eRe\u003c\/strong\u003e 7.540 ohms\u003cbr\u003e\n\u003cstrong\u003eLe\u003c\/strong\u003e 4.071 mH\u003cbr\u003e\n\u003cstrong\u003eZ\u003c\/strong\u003e 9.048 ohms\u003cbr\u003e\n\u003cstrong\u003eBL\u003c\/strong\u003e 33.009 Tm\u003cbr\u003e\n\u003cstrong\u003eBL^2\/Re\u003c\/strong\u003e 144.510 N^2\/W\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQts\u003c\/strong\u003e 0.433\u003cbr\u003e\n\u003cstrong\u003eno\u003c\/strong\u003e 0.148 %\u003cbr\u003e\n\u003cstrong\u003eSPL\u003c\/strong\u003e 83.856 dB\u003cbr\u003e\n\u003cstrong\u003eEBP\u003c\/strong\u003e 67.965\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eXMax\u003c\/strong\u003e 23.5mm\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  1.17 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-2479\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single-870x1024.png\" alt=\"\" width=\"870\" height=\"1024\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"alignnone size-large wp-image-2478\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-1016x1024.png\" alt=\"\" width=\"900\" height=\"907\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\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.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-2534\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-sedan4doordualsub.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-20.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-3082\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-SUV-4door-single-sub-3.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-39.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-3438\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-coupe-2-door-dual-subs.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-108.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4015\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-57.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-126.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4072\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-71.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-152.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4160\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-93.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-165.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4259\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-103.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-166.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4261\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-104.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-168.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4465\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-106.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-170.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4546\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-108.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-171.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4551\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-109.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-179.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4746\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-118.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-187.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4782\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-126.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-206.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-4991\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-143.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-210.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-5009\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-147.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-216.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-5055\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-153.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-225.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-5104\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-162.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-267.pdf\"\u003e\u003cimg class=\"alignnone size-full wp-image-5787\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-205.png\" alt=\"\" width=\"300\" height=\"255\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003c\/div\u003e","brand":"Audio Dynamics","offers":[{"title":"Default Title","offer_id":52549564039399,"sku":"AD4212 D4","price":549.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.mediocrecustoms.com\/products\/ad4212-d4","provider":"Mediocre Customs","version":"1.0","type":"link"}