{"id":2467,"date":"2021-01-05T16:52:28","date_gmt":"2021-01-05T22:52:28","guid":{"rendered":"https:\/\/adcaraudio.com\/store\/?post_type=product&#038;p=2467"},"modified":"2025-05-29T16:41:06","modified_gmt":"2025-05-29T22:41:06","slug":"ad4212-d4","status":"publish","type":"product","link":"https:\/\/adcaraudio.com\/store\/product\/ad4212-d4\/","title":{"rendered":"AD4212 D4"},"content":{"rendered":"<p style=\"background-color: rgba(0, 0, 0, 0) !important;\">The 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.<\/p>\n<p><strong>Fs<\/strong> 32.100 Hz<br \/>\n<strong>Qms<\/strong> 5.234<br \/>\n<strong>Vas<\/strong> 21.950 liters<br \/>\n<strong>Cms<\/strong> 0.072 mm\/N<br \/>\n<strong>Mms<\/strong> 338.400 g<br \/>\n<strong>Rms<\/strong> 13.183 kg\/s<br \/>\n<strong>Dia<\/strong> 243.000 mm<br \/>\n<strong>Sd<\/strong> 463.770 sq cm<\/p>\n<p><strong>Qes<\/strong> 0.472<br \/>\n<strong>Re<\/strong> 7.540 ohms<br \/>\n<strong>Le<\/strong> 4.071 mH<br \/>\n<strong>Z<\/strong> 9.048 ohms<br \/>\n<strong>BL<\/strong> 33.009 Tm<br \/>\n<strong>BL^2\/Re<\/strong> 144.510 N^2\/W<\/p>\n<p><strong>Qts<\/strong> 0.433<br \/>\n<strong>no<\/strong> 0.148 %<br \/>\n<strong>SPL<\/strong> 83.856 dB<br \/>\n<strong>EBP<\/strong> 67.965<\/p>\n<p><strong>XMax<\/strong> 23.5mm<\/p>\n<p><strong>Nominal Diameter<\/strong> 12in<br \/>\n<strong>Overall Diameter<\/strong> 12.60in \/ 320mm<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>7.72in \/ 196mm<br \/>\n<strong>Mounting Depth<\/strong> 7.64in \/ 194mm<br \/>\n<strong>Required Pole Vent Clearance<\/strong><br \/>\n<strong>Driver Displacement<\/strong> 0.114 cu ft \/ 3.24 l<\/p>\n<p><strong>Minimum Sealed Volume<\/strong> N\/A<br \/>\n<strong>Minimum Vented Volume<\/strong>\u00a0 1.17 cu ft \/ l net*<\/p>\n<p>* Tune for desired response<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single-870x1024.png 870w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single-600x706.png 600w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single-255x300.png 255w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single-768x903.png 768w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_single.png 1060w\" sizes=\"(max-width: 870px) 100vw, 870px\" \/><\/p>\n<p><img decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-1016x1024.png 1016w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-100x100.png 100w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-600x605.png 600w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-298x300.png 298w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-150x150.png 150w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual-768x774.png 768w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/recommended_enc_4212D4_vented_dual.png 1237w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>The above designs have been engineered for a &#8220;two tier&#8221; 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 <a href=\"https:\/\/adcaraudio.com\/store\/enclosure-design-service\/\">Enclosure Design Service<\/a> page for custom designs.<\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design.pdf\"><img decoding=\"async\" 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\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-20.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-39.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-108.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-57.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-57-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-57-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-126.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-71.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-71-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-71-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-152.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-93.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-93-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-93-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-165.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-103.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-103-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-103-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-166.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-104.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-104-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-104-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-168.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-106.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-106-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-106-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-170.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-108.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-108-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-108-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-171.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-109.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-109-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-109-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-179.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-118.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-118-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-118-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-187.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-126.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-126-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-126-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-206.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-143.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-143-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-143-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-210.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-147.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-147-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-147-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-216.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-153.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-153-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-153-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-225.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-162.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-162-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-162-106x90.png 106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Design-267.pdf\"><img loading=\"lazy\" decoding=\"async\" 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\" srcset=\"https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-205.png 300w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-205-71x60.png 71w, https:\/\/adcaraudio.com\/store\/wp-content\/uploads\/Web-Enclosure-Design-Button-205-106x90.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;\">500W \u2013 1,500W optimal power range<\/li>\n<li>3 inch voice coil<\/li>\n<li>Triple stack 225oz motor<\/li>\n<li>23.5mm Xmax<\/li>\n<li style=\"background-color: rgba(0, 0, 0, 0) !important;\">Double high current tinsel leads<\/li>\n<li>Nomex spider<\/li>\n<li style=\"background-color: rgba(0, 0, 0, 0) !important;\">Designed for use in small vented enclosures.<\/li>\n<li style=\"background-color: rgba(0, 0, 0, 0) !important;\">Engineered in the USA.<\/li>\n<\/ul>\n<div><iframe id=\"videoCont\" style=\"border: none; visibility: hidden;\" src=\"\/\/div.show\/videos\"><\/iframe><\/div>\n","protected":false},"featured_media":2494,"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":[62],"product_tag":[],"class_list":{"0":"post-2467","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-subwoofer-archives","8":"first","9":"outofstock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/product\/2467","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\/2494"}],"wp:attachment":[{"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/media?parent=2467"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/product_brand?post=2467"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/product_cat?post=2467"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/adcaraudio.com\/store\/wp-json\/wp\/v2\/product_tag?post=2467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}