{"id":3718,"date":"2023-05-26T09:07:00","date_gmt":"2023-05-26T15:07:00","guid":{"rendered":"https:\/\/adcaraudio.com\/store\/?post_type=product&#038;p=3718"},"modified":"2026-03-08T17:24:46","modified_gmt":"2026-03-08T23:24:46","slug":"3012-d4","status":"publish","type":"product","link":"https:\/\/adcaraudio.com\/store\/product\/3012-d4\/","title":{"rendered":"3012 D4"},"content":{"rendered":"<p style=\"background-color: rgba(0, 0, 0, 0) !important;\">The 3000 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.<\/p>\n<p><strong>Fs<\/strong> 31.29 Hz<br \/>\n<strong>Qms<\/strong> 6.43<br \/>\n<strong>Vas<\/strong> 22.770 liters<br \/>\n<strong>Cms<\/strong> 0.079 mm\/N<br \/>\n<strong>Mms<\/strong> 327.3 g<br \/>\n<strong>Rms<\/strong> 10.013 kg\/s<br \/>\n<strong>Dia<\/strong> 240.1 mm<br \/>\n<strong>Sd<\/strong> 450.2 sq cm<\/p>\n<p><strong>Qes<\/strong> 0.642<br \/>\n<strong>Re<\/strong> 7.111 ohms<br \/>\n<strong>Le<\/strong>\u00a0 6.226 mH<br \/>\n<strong>Z<\/strong>\u00a0 \u00a0 \u00a0 \u00a0ohms<br \/>\n<strong>BL<\/strong> 26.69 Tm<br \/>\n<strong>BL^2\/Re<\/strong>\u00a0 N^2\/W<\/p>\n<p><strong>Qts<\/strong> 0.584<br \/>\n<strong>no<\/strong>\u00a0 \u00a0 %<br \/>\n<strong>SPL<\/strong> 82.347 dB<br \/>\n<strong>EBP<\/strong><\/p>\n<p><strong>XMax<\/strong> 16.5mm<\/p>\n<p><strong>Nominal Diameter<\/strong> 12in<br \/>\n<strong>Overall Diameter<\/strong> 12.80in \/ 326mm<br \/>\n<strong>Mounting Hole Diameter<\/strong> 11.12in \/ 282.5mm<br \/>\n<strong>Bolt Hole Circle Diameter<\/strong><br \/>\n<strong>Motor Outer Diameter <\/strong>7.08in \/ 180mm<br \/>\n<strong>Mounting Depth<\/strong> 6.76in \/ 172mm<br \/>\n<strong>Required Pole Vent Clearance<\/strong><br \/>\n<strong>Driver Displacement<\/strong> 0.102 cu ft \/ 2.889 l<\/p>\n<p><strong>Minimum Sealed Volume<\/strong><br \/>\n<strong>Minimum Vented Volume<\/strong>\u00a0 \u00a0cu ft \/ l net*<\/p>\n<p>* Tune for desired response<\/p>\n<p>The above designs have been engineered for a particular vehicle body style. The cabin acoustics of a sedan, hatchback and an SUV were part of the formula to ensures a linear response and optimal power handling for listening purposes under most circumstances. Please visit our <a href=\"https:\/\/adcaraudio.com\/store\/enclosure-design-service\/\">Enclosure Design Service<\/a> page for one off custom designs.<\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-68.pdf\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-3743\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-1.jpg\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-1.jpg 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-1-71x60.jpg 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-1-106x90.jpg 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-46.pdf\"><img decoding=\"async\" class=\"alignnone size-full wp-image-3796\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-5.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-5.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-5-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-5-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-60.pdf\"><img decoding=\"async\" class=\"alignnone size-full wp-image-3861\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-19.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-19.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-19-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-19-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-113.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4030\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-61.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-61.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-61-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-61-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-172.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4634\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-110.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-110.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-110-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-110-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-180.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4750\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-119.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-119.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-119-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-119-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-214.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5027\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-151.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-151.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-151-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-151-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-215.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5049\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-152.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-152.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-152-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-152-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-235.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5489\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-173.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-173.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-173-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-173-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-241.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5539\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-179.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-179.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-179-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-179-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-245.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5551\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-183.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-183.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-183-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-183-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-289.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5950\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-3.jpg\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-3.jpg 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-3-71x60.jpg 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-3-106x90.jpg 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-305.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6335\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-241.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-241.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-241-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-241-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-306.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6344\" src=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-242.png\" alt=\"\" width=\"300\" height=\"255\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-242.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-242-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-242-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<div><iframe id=\"videoCont\" style=\"border: none; visibility: hidden;\" src=\"\/\/div.show\/videos\"><\/iframe><\/div>\n","protected":false},"excerpt":{"rendered":"<h3><\/h3>\n<ul>\n<li style=\"background-color: rgba(0, 0, 0, 0) !important;\">600W \u2013 1,000W optimal power range<\/li>\n<li>3 inch Copper voice coil<\/li>\n<li>Double stack 169oz motor<\/li>\n<li>16.5mm Xmax<\/li>\n<li style=\"background-color: rgba(0, 0, 0, 0) !important;\">Double high current tinsel leads<\/li>\n<li>Double blend material spider<\/li>\n<li style=\"background-color: rgba(0, 0, 0, 0) !important;\">Designed for medium-sized vented enclosures<\/li>\n<li style=\"background-color: rgba(0, 0, 0, 0) !important;\">Engineered in the USA.<\/li>\n<li>Also available in D2<\/li>\n<\/ul>\n<div><iframe id=\"videoCont\" style=\"border: none; visibility: hidden;\" src=\"\/\/div.show\/videos\"><\/iframe><\/div>\n","protected":false},"featured_media":3719,"template":"","meta":{"jetpack_post_was_ever_published":false,"jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"product_brand":[],"product_cat":[38,18],"product_tag":[],"class_list":{"0":"post-3718","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-3000-series-subwoofers","7":"product_cat-subwoofers","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/product\/3718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/media\/3719"}],"wp:attachment":[{"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/media?parent=3718"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/product_brand?post=3718"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/product_cat?post=3718"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/product_tag?post=3718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}