{"id":1626,"date":"2025-07-05T14:45:12","date_gmt":"2025-07-05T07:45:12","guid":{"rendered":"https:\/\/pltspeaker.com\/?post_type=product&#038;p=1626"},"modified":"2025-10-29T10:57:39","modified_gmt":"2025-10-29T03:57:39","slug":"sb29rdac-c000-4","status":"publish","type":"product","link":"https:\/\/pltspeaker.com\/th\/product\/sb29rdac-c000-4\/","title":{"rendered":"SB29RDAC-C000-4"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1628\" src=\"https:\/\/pltspeaker.com\/wp-content\/uploads\/2025\/07\/SB29RDAC-C000-4-DRAWING-500x246-1-300x148.jpg\" alt=\"\" width=\"300\" height=\"148\" srcset=\"https:\/\/pltspeaker.com\/wp-content\/uploads\/2025\/07\/SB29RDAC-C000-4-DRAWING-500x246-1-300x148.jpg 300w, https:\/\/pltspeaker.com\/wp-content\/uploads\/2025\/07\/SB29RDAC-C000-4-DRAWING-500x246-1-18x9.jpg 18w, https:\/\/pltspeaker.com\/wp-content\/uploads\/2025\/07\/SB29RDAC-C000-4-DRAWING-500x246-1.jpg 500w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1629\" src=\"https:\/\/pltspeaker.com\/wp-content\/uploads\/2025\/07\/SB29RDAC-C000-4-GRAFIK-500x246-1-300x148.jpg\" alt=\"\" width=\"300\" height=\"148\" srcset=\"https:\/\/pltspeaker.com\/wp-content\/uploads\/2025\/07\/SB29RDAC-C000-4-GRAFIK-500x246-1-300x148.jpg 300w, https:\/\/pltspeaker.com\/wp-content\/uploads\/2025\/07\/SB29RDAC-C000-4-GRAFIK-500x246-1-18x9.jpg 18w, https:\/\/pltspeaker.com\/wp-content\/uploads\/2025\/07\/SB29RDAC-C000-4-GRAFIK-500x246-1.jpg 500w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<h2 class=\"yikes-custom-woo-tab-title yikes-custom-woo-tab-title-features\">Features<\/h2>\n<ul>\n<li>Non-resonant diaphragm design for minimum high frequency break-up<\/li>\n<li>Dual balanced compression chamber for improved dynamics<\/li>\n<li>Copper cap for reduced voice coil inductance and minimum phase shift<\/li>\n<li>Saturation controlled motor system for low distortion<\/li>\n<li>Non-reflective rear chamber with optimized damping for improved dynamics<\/li>\n<li>Flow optimized vented pole piece for optimum coupling to rear chamber<\/li>\n<li>CCAW voice coil for low moving mass<\/li>\n<li>Long life silver lead wires<\/li>\n<li>Cast aluminum faceplate<\/li>\n<li>Low resonance frequency<\/li>\n<\/ul>\n<h2 class=\"yikes-custom-woo-tab-title yikes-custom-woo-tab-title-specs\">Specs<\/h2>\n<ul>\n<li>Nominal Impedance 4 \u03a9<\/li>\n<li>DC resistance, Re 3.0 \u03a9<\/li>\n<li>Voice coil inductance, Le 0.05 mH<\/li>\n<li>Effective piston area, Sd 9.6 cm2<\/li>\n<li>Voice coil diameter 29.0 mm<\/li>\n<li>Voice coil height 2.0 mm<\/li>\n<li>Air gap height 2.5 mm<\/li>\n<li>Linear coil travel (p-p) 0.5 mm<\/li>\n<li>Moving mass incl. air, Mms 0.45 g<\/li>\n<li>Free air resonance, Fs 600 Hz<\/li>\n<li>Sensitivity (2.83 V \/ 1 m) 93 dB<\/li>\n<li>Mechanical Q-factor, Qms 2.2<\/li>\n<li>Electrical Q-factor, Qes 0.9<\/li>\n<li>Total Q-factor, Qts 0.64<\/li>\n<li>Force factor, Bl 2.4 Tm<\/li>\n<li>Rated power handling* 100 W<\/li>\n<li>Magnetic flux density 1.1 T<\/li>\n<li>Magnet weight 0.22 kg<\/li>\n<li>Net weight 0.54 kg<\/li>\n<\/ul>\n<p>* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB\/oct.<\/p>","protected":false},"excerpt":{"rendered":"<p>Features Non-resonant diaphragm design for minimum high frequency break-up Dual balanced compression chamber for improved dynamics Copper cap for reduced voice coil inductance and minimum phase shift Saturation controlled motor system for low distortion Non-reflective rear chamber with optimized damping for improved dynamics Flow optimized vented pole piece for optimum coupling to rear chamber CCAW [&hellip;]<\/p>\n","protected":false},"featured_media":1627,"template":"","meta":[],"product_brand":[47],"product_cat":[50],"product_tag":[],"class_list":{"0":"post-1626","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-sb-acoustics","7":"product_cat-ring-radiators","9":"first","10":"onbackorder","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pltspeaker.com\/th\/wp-json\/wp\/v2\/product\/1626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pltspeaker.com\/th\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pltspeaker.com\/th\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pltspeaker.com\/th\/wp-json\/wp\/v2\/media\/1627"}],"wp:attachment":[{"href":"https:\/\/pltspeaker.com\/th\/wp-json\/wp\/v2\/media?parent=1626"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/pltspeaker.com\/th\/wp-json\/wp\/v2\/product_brand?post=1626"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pltspeaker.com\/th\/wp-json\/wp\/v2\/product_cat?post=1626"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pltspeaker.com\/th\/wp-json\/wp\/v2\/product_tag?post=1626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}