{"id":4084,"date":"2013-12-08T08:00:36","date_gmt":"2013-12-08T08:00:36","guid":{"rendered":"http:\/\/www.audioexcite.com\/?page_id=4084"},"modified":"2013-12-08T12:25:19","modified_gmt":"2013-12-08T12:25:19","slug":"sb-acoustics-sb26stcn-c000-4","status":"publish","type":"page","link":"https:\/\/www.audioexcite.com\/?page_id=4084","title":{"rendered":"SB Acoustics SB26STCN-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\/2014\/12\/SB26STCN-C000-4_1.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-4087\" alt=\"SB26STCN-C000-4_1\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_1.jpg\" width=\"275\" height=\"368\" \/><\/a><\/p>\n<p>The SB Acoustics SB26STCN-C000-4 is a 4\u03a9 coated textile dome tweeter using a Neodymium magnet and a 1\u201d voice coil together with copper cap pole piece. The compact 72mm faceplate is made of plastic.<\/p>\n<p>Key features:<\/p>\n<ul>\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<li>Copper cap on pole piece for reduced voice coil inductance and minimum phase shift<\/li>\n<li>Fine weave soft fabric dome for smooth frequency response<\/li>\n<li>Inherently shielded neodymium motor system<\/li>\n<li>Internal pressure equalization and flow resistor for non-resonant coupling of cavities<\/li>\n<li>Compact design<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>SB Acoustics Spec sheet: <a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4.pdf\">SB26STCN-C000-4<\/a><\/p>\n<p>&nbsp;<\/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\/2014\/12\/SB26STCN-C000-4-T-S.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft  wp-image-4089\" alt=\"SB26STCN-C000-4 T-S\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-T-S.jpg\" width=\"493\" height=\"268\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-T-S.jpg 689w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-T-S-300x163.jpg 300w\" sizes=\"auto, (max-width: 493px) 100vw, 493px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Good consistency between the two tweeter samples. Slightly lower Fs than the manufacturer\u2019s specification.<\/p>\n<p>&nbsp;<\/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\/2014\/12\/SB26STCN-C000-4_Imp-1L-vs-2R-WT3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4090\" alt=\"SB26STCN-C000-4_Imp 1L vs 2R WT3\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Imp-1L-vs-2R-WT3-1024x575.jpg\" width=\"720\" height=\"404\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Imp-1L-vs-2R-WT3-1024x575.jpg 1024w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Imp-1L-vs-2R-WT3-300x168.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Imp-1L-vs-2R-WT3.jpg 1366w\" 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 sample 1 slightly higher impedance at Fs, almost identical impedance curves between the tweeter samples.<\/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 9.4cm 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\/2014\/12\/SB26STCN-C000-4_Freq-1L-vs-2R-0deg.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-4091\" alt=\"SB26STCN-C000-4_Freq 1L vs 2R 0deg\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-1L-vs-2R-0deg.jpg\" width=\"359\" height=\"121\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-1L-vs-2R-0deg.jpg 1117w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-1L-vs-2R-0deg-300x101.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-1L-vs-2R-0deg-1024x345.jpg 1024w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-1L-vs-2R-15deg.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-4092\" alt=\"SB26STCN-C000-4_Freq 1L vs 2R 15deg\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-1L-vs-2R-15deg.jpg\" width=\"359\" height=\"121\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-1L-vs-2R-15deg.jpg 1117w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-1L-vs-2R-15deg-300x101.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-1L-vs-2R-15deg-1024x345.jpg 1024w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/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>Almost identical frequency response up to about 17kHz. Sample 1 has a slightly higher sensitivity than sample 2.<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-0-15-22deg.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-4093\" alt=\"SB26STCN-C000-4_Freq 0-15-22deg\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-0-15-22deg.jpg\" width=\"720\" height=\"242\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-0-15-22deg.jpg 1117w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-0-15-22deg-300x101.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-0-15-22deg-1024x345.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\/2014\/12\/SB26STCN-C000-4_Freq-30-45-60deg.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-4094\" alt=\"SB26STCN-C000-4_Freq 30-45-60deg\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-30-45-60deg.jpg\" width=\"720\" height=\"242\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-30-45-60deg.jpg 1117w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-30-45-60deg-300x101.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4_Freq-30-45-60deg-1024x345.jpg 1024w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/a><\/p>\n<p>30deg = Blue<br \/>\n45deg = Red<br \/>\n60deg = Green<\/p>\n<p>The tweeter has a very nice off-axis frequency response.<\/p>\n<h3><span style=\"color: #3366ff;\">Distortion:<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><strong>Measurement setup:<\/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\/2014\/12\/SB26STCN-C000-4-1L-10cm-90db.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-4095\" alt=\"SB26STCN-C000-4-1L -- 10cm 90db\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-1L-10cm-90db.jpg\" width=\"359\" height=\"206\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-1L-10cm-90db.jpg 1234w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-1L-10cm-90db-300x172.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-1L-10cm-90db-1024x590.jpg 1024w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-2R-10cm-90db.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-4096\" alt=\"SB26STCN-C000-4-2R -- 10cm 90db\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-2R-10cm-90db.jpg\" width=\"359\" height=\"206\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-2R-10cm-90db.jpg 1234w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-2R-10cm-90db-300x172.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-2R-10cm-90db-1024x590.jpg 1024w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/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\/2014\/12\/SB26STCN-C000-4-1L-10cm-95db.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-4097\" alt=\"SB26STCN-C000-4-1L -- 10cm 95db\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-1L-10cm-95db.jpg\" width=\"359\" height=\"206\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-1L-10cm-95db.jpg 1234w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-1L-10cm-95db-300x172.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-1L-10cm-95db-1024x590.jpg 1024w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-2R-10cm-95db.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-4098\" alt=\"SB26STCN-C000-4-2R -- 10cm 95db\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-2R-10cm-95db.jpg\" width=\"359\" height=\"206\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-2R-10cm-95db.jpg 1234w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-2R-10cm-95db-300x172.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2014\/12\/SB26STCN-C000-4-2R-10cm-95db-1024x590.jpg 1024w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/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>Average odd-order distortion performance even at higher levels and somewhat elevated second-order distortion, which gradually raises below 2.5kHz. This tweeter delivers a high performance in relation to its low price.<\/p>\n<p>This tweeter should be able to work nicely crossed-over at 2.5-3kHz or higher.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview: &nbsp; The SB Acoustics SB26STCN-C000-4 is a 4\u03a9 coated textile dome tweeter using a Neodymium magnet and a 1\u201d voice coil together with copper cap pole piece. The compact 72mm faceplate is made of plastic. Key features: CCAW voice coil for low moving mass Long life silver lead wires Low resonance frequency Copper cap [&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-4084","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/pages\/4084","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=4084"}],"version-history":[{"count":3,"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/pages\/4084\/revisions"}],"predecessor-version":[{"id":4086,"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/pages\/4084\/revisions\/4086"}],"wp:attachment":[{"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}