{"id":2368,"date":"2014-12-11T17:25:16","date_gmt":"2014-12-11T15:25:16","guid":{"rendered":"http:\/\/www.tonmeister.ca\/wordpress\/?p=2368"},"modified":"2018-05-29T08:00:57","modified_gmt":"2018-05-29T06:00:57","slug":"naked-truth-part-4","status":"publish","type":"post","link":"http:\/\/www.tonmeister.ca\/wordpress\/2014\/12\/11\/naked-truth-part-4\/","title":{"rendered":"B&#038;O Tech: Naked Truth IV"},"content":{"rendered":"<p><strong>#29 in\u00a0<a href=\"http:\/\/www.tonmeister.ca\/wordpress\/category\/bang-olufsen\/\">a series of articles<\/a>\u00a0about the technology behind\u00a0<a href=\"http:\/\/www.bang-olufsen.com\/\">Bang &amp; Olufsen<\/a>\u00a0loudspeakers<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Sorry &#8211; I&#8217;ve been busy lately, so I haven&#8217;t been too active on the blog.<\/p>\n<p>&nbsp;<\/p>\n<p>Here are some internal shots of the BeoLab 17 and BeoLab 20 loudspeakers. As you can see in the shot of the back of the BeoLab 17, the entire case is the enclosure is for the woofer. The tweeter has its own enclosure which seals it from the woofer cabinet.<\/p>\n<p>&nbsp;<\/p>\n<p><a class=\"thumbnail\" href=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0798.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2371\" src=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0798-240x300.jpg\" alt=\"GGM0798\" width=\"240\" height=\"300\" srcset=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0798-240x300.jpg 240w, http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0798.jpg 821w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a class=\"thumbnail\" href=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0793.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2370\" src=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0793-199x300.jpg\" alt=\"GGM0793\" width=\"199\" height=\"300\" srcset=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0793-199x300.jpg 199w, http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0793.jpg 680w\" sizes=\"auto, (max-width: 199px) 100vw, 199px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a class=\"thumbnail\" href=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0789.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2369\" src=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0789-246x300.jpg\" alt=\"GGM0789\" width=\"246\" height=\"300\" srcset=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0789-246x300.jpg 246w, http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0789.jpg 841w\" sizes=\"auto, (max-width: 246px) 100vw, 246px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a class=\"thumbnail\" href=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0803.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2372\" src=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0803-184x300.jpg\" alt=\"GGM0803\" width=\"184\" height=\"300\" srcset=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0803-184x300.jpg 184w, http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0803.jpg 630w\" sizes=\"auto, (max-width: 184px) 100vw, 184px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>What&#8217;s not obvious in the photos of the BeoLab 20 is that the midrange and woofer cabinets are separate sealed boxes. There is a bulkhead that separates the two enclosures cutting across the loudspeaker just below the midrange driver.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a class=\"thumbnail\" href=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0806.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2373\" src=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0806-170x300.jpg\" alt=\"GGM0806\" width=\"170\" height=\"300\" srcset=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0806-170x300.jpg 170w, http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0806.jpg 581w\" sizes=\"auto, (max-width: 170px) 100vw, 170px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a class=\"thumbnail\" href=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0814.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2374\" src=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0814-300x267.jpg\" alt=\"GGM0814\" width=\"300\" height=\"267\" srcset=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0814-300x267.jpg 300w, http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0814.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a class=\"thumbnail\" href=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0837.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2377\" src=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0837-199x300.jpg\" alt=\"GGM0837\" width=\"199\" height=\"300\" srcset=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0837-199x300.jpg 199w, http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0837.jpg 680w\" sizes=\"auto, (max-width: 199px) 100vw, 199px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a class=\"thumbnail\" href=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0827.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2376\" src=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0827-199x300.jpg\" alt=\"GGM0827\" width=\"199\" height=\"300\" srcset=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0827-199x300.jpg 199w, http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0827.jpg 680w\" sizes=\"auto, (max-width: 199px) 100vw, 199px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a class=\"thumbnail\" href=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0822.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2375\" src=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0822-140x300.jpg\" alt=\"GGM0822\" width=\"140\" height=\"300\" srcset=\"http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0822-140x300.jpg 140w, http:\/\/www.tonmeister.ca\/wordpress\/wp-content\/uploads\/GGM0822.jpg 478w\" sizes=\"auto, (max-width: 140px) 100vw, 140px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>#29 in\u00a0a series of articles\u00a0about the technology behind\u00a0Bang &amp; Olufsen\u00a0loudspeakers &nbsp; Sorry &#8211; I&#8217;ve been busy lately, so I haven&#8217;t been too active on the blog. &nbsp; Here are some internal shots of the BeoLab 17 and BeoLab 20 loudspeakers. As you can see in the shot of the back of the BeoLab 17, the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","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}},"categories":[33,4,32,5],"tags":[],"class_list":["post-2368","post","type-post","status-publish","format-standard","hentry","category-acoustics","category-audio","category-bang-olufsen","category-loudspeakers"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p48hIM-Cc","_links":{"self":[{"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/2368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/comments?post=2368"}],"version-history":[{"count":3,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/2368\/revisions"}],"predecessor-version":[{"id":2381,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/2368\/revisions\/2381"}],"wp:attachment":[{"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/media?parent=2368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/categories?post=2368"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/tags?post=2368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}