{"id":7425,"date":"2019-11-23T12:18:30","date_gmt":"2019-11-23T12:18:30","guid":{"rendered":"http:\/\/www.audioexcite.com\/?page_id=7425"},"modified":"2019-11-23T14:32:13","modified_gmt":"2019-11-23T14:32:13","slug":"sb-acoustics-satori-mw13p-8","status":"publish","type":"page","link":"https:\/\/www.audioexcite.com\/?page_id=7425","title":{"rendered":"SB Acoustics \u201cSatori\u201d MW13P-8"},"content":{"rendered":"<h3><span style=\"color: #3366ff;\">Overview:<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>The SB Acoustics Satori MW13P-8 is an 8\u2126 5\u2033 mid-woofer from SB Acoustics. The mid-range has a 30.5mm voice-coil with a 10.0mm (p-p) linear coil travel. It&#8217;s fitted with an extende copper sleeve on the pole piece for reduced distortion.<a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/Mx13-x.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-7407\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/Mx13-x.jpg\" alt=\"\" width=\"191\" height=\"337\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/Mx13-x.jpg 348w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/Mx13-x-170x300.jpg 170w\" sizes=\"auto, (max-width: 191px) 100vw, 191px\" \/><\/a><\/p>\n<p><strong>Key features:<\/strong><\/p>\n<ul>\n<li>Vented aerodynamic cast aluminium chassis for optimum strength and low compression.<\/li>\n<li>Proprietary cone material with EGYPTIAN PAPYRUS\u2122 fibres made in-house.<\/li>\n<li>Soft low damping rubber surround for optimum transient response.<\/li>\n<li>Advanced BIMAX spider for improved linearity.<\/li>\n<li>Powerful optimized low distortion neodymium motor system.<\/li>\n<li>Non-conducting fibre glass voice coil former for minimum damping.<\/li>\n<li>Extended copper sleeve on pole piece for low inductance and reduced distortion.<\/li>\n<li>CCAW voice coil for reduced moving mass.<\/li>\n<li>Long life silver lead wires attached 180\u00b0 apart for improved stability.<\/li>\n<li>Vented pole piece and coil former for reduced compression.<\/li>\n<li>High piston to chassis diameter ratio.<\/li>\n<li>Gasket and bolt hole protrusions for reduced coupling to speaker cabinet.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>SB Acoustics Spec sheet: <a href=\"http:\/\/www.sbacoustics.com\/index.php\/download_file\/-\/view\/544\/_file\/-\/view\/544\/\" target=\"_blank\" rel=\"noopener noreferrer\">5in SATORI MW13P-8<\/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\/2019\/11\/T-S-parameters-MW13P-8.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7428\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/T-S-parameters-MW13P-8.jpg\" alt=\"\" width=\"359\" height=\"286\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/T-S-parameters-MW13P-8.jpg 691w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/T-S-parameters-MW13P-8-300x239.jpg 300w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/T-S-parameters-MW13P-8-known-mass.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7429\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/T-S-parameters-MW13P-8-known-mass.jpg\" alt=\"\" width=\"360\" height=\"286\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/T-S-parameters-MW13P-8-known-mass.jpg 694w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/T-S-parameters-MW13P-8-known-mass-300x238.jpg 300w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><\/p>\n<p>(Click on picture to zoom)<\/p>\n<p><strong>Left:<\/strong> T\/S parameters measured using \u201cadded\u201d mass method in horizontal position.<\/p>\n<p><strong>Right:<\/strong> T\/S parameters measured using \u201cknown\u201d mass method in vertical position.<\/p>\n<p>The drivers where burnt-in for 3 hours at 6 Volts using a 41Hz tone and then cooled off before measuring.<\/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\/2019\/11\/MW13P-8-Imp-1L-vs-2R.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7431\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R.jpg\" alt=\"\" width=\"360\" height=\"290\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R.jpg 1232w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R-300x241.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R-1024x824.jpg 1024w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R-768x618.jpg 768w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R-zoom.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7432\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R-zoom.jpg\" alt=\"\" width=\"360\" height=\"290\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R-zoom.jpg 1232w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R-zoom-300x241.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R-zoom-1024x824.jpg 1024w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Imp-1L-vs-2R-zoom-768x618.jpg 768w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><\/p>\n<div class=\"wp-block-file\">\n<p>(click on picture to zoom)<\/p>\n<p><strong>Left:<\/strong> Free-air impedance driver sample #1 vs. sample #2.<br \/>\n<strong>Right:<\/strong> Close-up of free-air impedance driver sample #1 vs. sample #2.<\/p>\n<p>Some wrinkles in the impedance plot are visible at ~1.3kHz and ~7.5kHz. The wrinkle at 1.3kHz is the cone edge resonance and 7.5kHz is the cone break-up frequency.<\/p>\n<h3><span style=\"color: #3366ff;\">Frequency:<\/span><\/h3>\n<p>&nbsp;<\/p>\n<\/div>\n<p><strong>Frequency measurement conditions:<\/strong><\/p>\n<p>The mid-woofer is measured mounted on a baffle in a 11 liter closed enclosure with the following conditions:<\/p>\n<p><strong>Baffle size (WxH):<\/strong> 27\u00d7106cm. No baffle edge round-over.<br \/>\n<strong>Driver position:<\/strong> Mounted on center-line with driver unit center 24cm from the top of the baffle.<br \/>\n<strong>Mic position:<\/strong> 1m distance, on mid-woofer axis.<br \/>\n<strong>Smoothing:<\/strong> No smoothing applied. Measurement valid down to 275Hz.<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0deg-1L-vs-2R.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7434\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0deg-1L-vs-2R.jpg\" alt=\"\" width=\"360\" height=\"290\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0deg-1L-vs-2R.jpg 1232w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0deg-1L-vs-2R-300x241.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0deg-1L-vs-2R-1024x824.jpg 1024w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0deg-1L-vs-2R-768x618.jpg 768w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-15deg-1L-vs-2R.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7435\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-15deg-1L-vs-2R.jpg\" alt=\"\" width=\"360\" height=\"290\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-15deg-1L-vs-2R.jpg 1232w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-15deg-1L-vs-2R-300x241.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-15deg-1L-vs-2R-1024x824.jpg 1024w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-15deg-1L-vs-2R-768x618.jpg 768w\" 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=sample #1, Red=sample #2).<br \/>\n<strong>Right:<\/strong> Frequency response 15deg off-axis (Blue=sample #1, Red=sample #2).<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0-60deg.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7436\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0-60deg.jpg\" alt=\"\" width=\"720\" height=\"579\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0-60deg.jpg 1232w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0-60deg-300x241.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0-60deg-1024x824.jpg 1024w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-8-Freq-0-60deg-768x618.jpg 768w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/a><\/p>\n<p>(click on picture to zoom)<\/p>\n<p>Smooth frequency response up to 4.5kHz. Rising frequency response above 4.5kHz. A dip in the frequency response ~1.3kHz due to the cone edge resonance.<\/p>\n<p>4kHz is about the highest suitable cross-over frequency for this mid-woofer.<\/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>Mid-range near-field measurement at 12cm<\/li>\n<li>Frequency Range Mid-woofer: 200-20000Hz<\/li>\n<li>Baffle size WxH: 27\u00d7106cm<\/li>\n<li>Equipment: Steinberg UR12<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\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 medium-high to high listening levels.<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-81-12cm-90db.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7437\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-81-12cm-90db.jpg\" alt=\"\" width=\"360\" height=\"197\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-81-12cm-90db.jpg 1024w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-81-12cm-90db-300x164.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-81-12cm-90db-768x419.jpg 768w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-82-12cm-90db.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7438\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-82-12cm-90db.jpg\" alt=\"\" width=\"360\" height=\"197\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-82-12cm-90db.jpg 1024w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-82-12cm-90db-300x164.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-82-12cm-90db-768x419.jpg 768w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><\/p>\n<p>(click on picture to zoom)<\/p>\n<p><strong>90dB @ 1m<\/strong><\/p>\n<p>Left = Sample #1<\/p>\n<p>Right = Sample #2<\/p>\n<p><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-81-12cm-95db.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7439\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-81-12cm-95db.jpg\" alt=\"\" width=\"360\" height=\"197\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-81-12cm-95db.jpg 1024w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-81-12cm-95db-300x164.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-81-12cm-95db-768x419.jpg 768w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><a href=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-82-12cm-95db.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7440\" src=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-82-12cm-95db.jpg\" alt=\"\" width=\"360\" height=\"197\" srcset=\"https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-82-12cm-95db.jpg 1024w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-82-12cm-95db-300x164.jpg 300w, https:\/\/www.audioexcite.com\/wp-content\/uploads\/2019\/11\/MW13P-82-12cm-95db-768x419.jpg 768w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><\/p>\n<p>(click on picture to zoom)<\/p>\n<p><strong>95dB @ 1m<\/strong><\/p>\n<p>Left = Sample #1<\/p>\n<p>Right = Sample #2<\/p>\n<p>The Satori MW13P-8 mid-woofer is overall a very low distortion driver. The resonance issue shown in the impedance plot around 1.3kHz is shown here as a spike of second order distortion.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview: &nbsp; The SB Acoustics Satori MW13P-8 is an 8\u2126 5\u2033 mid-woofer from SB Acoustics. The mid-range has a 30.5mm voice-coil with a 10.0mm (p-p) linear coil travel. It&#8217;s fitted with an extende copper sleeve on the pole piece for reduced distortion. Key features: Vented aerodynamic cast aluminium chassis for optimum strength and low compression. [&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-7425","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/pages\/7425","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=7425"}],"version-history":[{"count":8,"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/pages\/7425\/revisions"}],"predecessor-version":[{"id":7460,"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=\/wp\/v2\/pages\/7425\/revisions\/7460"}],"wp:attachment":[{"href":"https:\/\/www.audioexcite.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}