{"id":6000,"date":"2016-12-03T19:37:20","date_gmt":"2016-12-03T19:37:20","guid":{"rendered":"http:\/\/www.audioexcite.com\/?page_id=6000"},"modified":"2016-12-05T18:00:44","modified_gmt":"2016-12-05T18:00:44","slug":"sb-acoustics-sb29rdc-c000-4","status":"publish","type":"page","link":"https:\/\/www.audioexcite.com\/?page_id=6000","title":{"rendered":"SB Acoustics SB29RDC-C000-4"},"content":{"rendered":"<h3><span style=\"color: #3366ff;\">Overview:<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/SB29RDC_5-e1480960092918.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6035 alignright\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/SB29RDC_5-e1480960092918.jpg\" width=\"201\" height=\"302\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/SB29RDC_5-e1480960092918.jpg 298w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/SB29RDC_5-e1480960092918-200x300.jpg 200w\" sizes=\"auto, (max-width: 201px) 100vw, 201px\" \/><\/a>.<\/p>\n<p>The SB Acoustics SB29RDC is a 4\u03a9 coated textile ringe dome tweeter using a 29mm voice coil together with a copper cap pole piece<br \/>\n<strong>Key features:<\/strong><\/p>\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>Low resonance frequency<\/li>\n<\/ul>\n<p>SB Acoustics Spec sheet: <a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/SB29RDC-C000-4.pdf\">SB29RDC<\/a><\/p>\n<h3><span style=\"color: #3366ff;\">T\/S Parameters:<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/T-S-SB29RDC.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6006\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/T-S-SB29RDC.jpg\" alt=\"t-s-sb29rdc\" width=\"420\" height=\"229\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/T-S-SB29RDC.jpg 689w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/T-S-SB29RDC-300x163.jpg 300w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/a><\/p>\n<p>(click on picture to zoom)<\/p>\n<p>10% resonance frequency\u00a0difference between the two driver samples.<\/p>\n<h3><span style=\"color: #3366ff;\">Impedance:<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Imp-SB29RDC-1L-vs-2R.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6008\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Imp-SB29RDC-1L-vs-2R.jpg\" alt=\"imp-sb29rdc-1l-vs-2r\" width=\"720\" height=\"405\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Imp-SB29RDC-1L-vs-2R.jpg 1366w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Imp-SB29RDC-1L-vs-2R-300x169.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Imp-SB29RDC-1L-vs-2R-768x432.jpg 768w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Imp-SB29RDC-1L-vs-2R-1024x576.jpg 1024w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/a><\/p>\n<p>(click on picture to zoom)<br \/>\nSample 1 = Green<br \/>\nSample 2 = Blue<\/p>\n<p>Besides the resonance frequency difference, the two drivers measures identically.<\/p>\n<h3><span style=\"color: #3366ff;\">Frequency:<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><strong>Frequency measurement conditions:<\/strong><\/p>\n<p>The tweeter is measured mounted on a baffle with the following conditions:<\/p>\n<p><strong>Baffle size (WxH):<\/strong> 24\u00d735cm with 18mm round-over.<br \/>\n<strong>Driver position:<\/strong> Mounted on center-line with driver unit center 8cm from the top of the baffle.<br \/>\n<strong>Mic position:<\/strong> 1m distance, on tweeter-axis.<br \/>\n<strong>Smoothing:<\/strong> 1\/24 octave smoothing applied.<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0deg-1L-vs-2R.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6011\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0deg-1L-vs-2R.jpg\" alt=\"freq-sb29rdc-0deg-1l-vs-2r\" width=\"360\" height=\"122\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0deg-1L-vs-2R.jpg 1117w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0deg-1L-vs-2R-300x101.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0deg-1L-vs-2R-768x259.jpg 768w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0deg-1L-vs-2R-1024x346.jpg 1024w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/?attachment_id=6012\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6012\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-15deg-1L-vs-2R.jpg\" alt=\"freq-sb29rdc-15deg-1l-vs-2r\" width=\"360\" height=\"122\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-15deg-1L-vs-2R.jpg 1117w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-15deg-1L-vs-2R-300x101.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-15deg-1L-vs-2R-768x259.jpg 768w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-15deg-1L-vs-2R-1024x346.jpg 1024w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><\/p>\n<p>(click on picture to zoom)<\/p>\n<p><strong>Left:<\/strong> Frequency response on-axis (Blue=sample1, Red=sample2).<br \/>\n<strong>Right:<\/strong> Frequency response 15deg off-axis (Blue=sample1, Red=sample2).<\/p>\n<p>The two driver samples have almost identical frequency responses. The on-axis measurement shows a rising frequency response above 9kHz.<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0-15-22deg.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6020\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0-15-22deg.jpg\" alt=\"freq-sb29rdc-0-15-22deg\" width=\"720\" height=\"243\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0-15-22deg.jpg 1117w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0-15-22deg-300x101.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0-15-22deg-768x259.jpg 768w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-0-15-22deg-1024x346.jpg 1024w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/a><\/p>\n<p>0deg = Blue<br \/>\n15deg = Red<br \/>\n22.5deg = Green<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-30-45-60deg.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6021\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-30-45-60deg.jpg\" alt=\"freq-sb29rdc-30-45-60deg\" width=\"720\" height=\"243\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-30-45-60deg.jpg 1117w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-30-45-60deg-300x101.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-30-45-60deg-768x259.jpg 768w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/Freq-SB29RDC-30-45-60deg-1024x346.jpg 1024w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/a><\/p>\n<p>30deg = Blue<br \/>\n45deg = Red<br \/>\n60deg = Green<\/p>\n<h3><span style=\"color: #3366ff;\">Distortion:<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><strong>Measurement setup:<br \/>\n<\/strong><\/p>\n<ul>\n<li>Tweeter near-field measurement at 10cm<\/li>\n<li>Frequency Range Tweeter: 500-10000Hz<\/li>\n<li>Baffle size WxH: 24\u00d735cm<\/li>\n<\/ul>\n<p>The distortion measurements are done in near-field and the amplifier output level was adjusted for each driver so that the fundamental is 90dB and 95dB at 1m. This setting simulates\u00a0 medium-high and high listening levels.<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/1_SB29RDC-1-10cm-90db.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6024\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/1_SB29RDC-1-10cm-90db.jpg\" alt=\"1_sb29rdc-1-10cm-90db\" width=\"360\" height=\"207\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/1_SB29RDC-1-10cm-90db.jpg 1234w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/1_SB29RDC-1-10cm-90db-300x173.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/1_SB29RDC-1-10cm-90db-768x443.jpg 768w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/1_SB29RDC-1-10cm-90db-1024x590.jpg 1024w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/2_SB29RDC-2-10cm-90db.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6025\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/2_SB29RDC-2-10cm-90db.jpg\" alt=\"2_sb29rdc-2-10cm-90db\" width=\"360\" height=\"207\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/2_SB29RDC-2-10cm-90db.jpg 1234w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/2_SB29RDC-2-10cm-90db-300x173.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/2_SB29RDC-2-10cm-90db-768x443.jpg 768w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/2_SB29RDC-2-10cm-90db-1024x590.jpg 1024w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><\/p>\n<p>(click on picture to zoom)<\/p>\n<p><strong>90dB @ 1m<\/strong><br \/>\nLeft = Sample 1<br \/>\nRight = Sample 2<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/3_SB29RDC-1-10cm-95db.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6026\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/3_SB29RDC-1-10cm-95db.jpg\" alt=\"3_sb29rdc-1-10cm-95db\" width=\"360\" height=\"207\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/3_SB29RDC-1-10cm-95db.jpg 1234w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/3_SB29RDC-1-10cm-95db-300x173.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/3_SB29RDC-1-10cm-95db-768x443.jpg 768w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/3_SB29RDC-1-10cm-95db-1024x590.jpg 1024w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/4_SB29RDC-2-10cm-95db.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6027\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/4_SB29RDC-2-10cm-95db.jpg\" alt=\"4_sb29rdc-2-10cm-95db\" width=\"360\" height=\"207\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/4_SB29RDC-2-10cm-95db.jpg 1234w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/4_SB29RDC-2-10cm-95db-300x173.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/4_SB29RDC-2-10cm-95db-768x443.jpg 768w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2017\/12\/4_SB29RDC-2-10cm-95db-1024x590.jpg 1024w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><\/p>\n<p>(click on picture to zoom)<\/p>\n<p><strong>95dB @ 1m<\/strong><br \/>\nLeft = Sample 1<br \/>\nRight = Sample 2<\/p>\n<p>Very low odd-order distortion profile down to 2kHz. Rapidly rising distortion below 3kHz as well as a spike at 5.5kHz of the relatively harmless second-order distortion profile.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview: &nbsp; . The SB Acoustics SB29RDC is a 4\u03a9 coated textile ringe dome tweeter using a 29mm voice coil together with a copper cap pole piece Key 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 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6000","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/pages\/6000","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6000"}],"version-history":[{"count":21,"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/pages\/6000\/revisions"}],"predecessor-version":[{"id":6002,"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/pages\/6000\/revisions\/6002"}],"wp:attachment":[{"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}