{"id":8534,"date":"2025-11-03T09:19:40","date_gmt":"2025-11-03T07:19:40","guid":{"rendered":"https:\/\/www.tonmeister.ca\/wordpress\/?p=8534"},"modified":"2025-11-03T09:19:40","modified_gmt":"2025-11-03T07:19:40","slug":"loudspeaker-crossovers-part-0-introduction","status":"publish","type":"post","link":"http:\/\/www.tonmeister.ca\/wordpress\/2025\/11\/03\/loudspeaker-crossovers-part-0-introduction\/","title":{"rendered":"Loudspeaker Crossovers: Part 0 (Introduction)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I recently received a question in my inbox:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em>In passive crossovers, many are phase incoherent, <\/em><br><em>meaning that the phase shift of one frequency will be different than another frequency. <\/em><br><em>Do you agree? &nbsp;Am curious how this is dealt with in the active crossover\u2019s of B&amp;O products?<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At first, I debated just sending a quick email back with a short answer saying something pithy. But while I was thinking about what to write, I realised that:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>This is actually a really good question \/ topic<\/li>\n\n\n\n<li>I haven&#8217;t posted anything about crossovers in a long time<\/li>\n\n\n\n<li>I&#8217;ve learned a lot about crossovers since the last time I did post something<\/li>\n\n\n\n<li>I still have a LOT more to learn about crossovers.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">As a result, this will be the first in what I expect to be a long series of postings about loudspeaker crossovers, starting with basic questions like<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Why do we use them?<\/li>\n\n\n\n<li>What do we think they do?<\/li>\n\n\n\n<li>What do they really do? and <\/li>\n\n\n\n<li>How are the ones we implement these days different from the ones you read about in old textbooks?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">As usual, I&#8217;ll probably get distracted and wind up going down more than one rabbit hole along the way&#8230; But that&#8217;s one of the reasons why I&#8217;m doing this &#8211; to find out where I wind up, and hopefully to meet some new rabbits along the way.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I recently received a question in my inbox: In passive crossovers, many are phase incoherent, meaning that the phase shift of one frequency will be different than another frequency. Do you agree? &nbsp;Am curious how this is dealt with in the active crossover\u2019s of B&amp;O products? At first, I debated just sending a quick email [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","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":[33,66,4,59,43,25,5],"tags":[],"class_list":["post-8534","post","type-post","status-publish","format-standard","hentry","category-acoustics","category-analogue","category-audio","category-digital-audio","category-dsp","category-history","category-loudspeakers"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p48hIM-2dE","_links":{"self":[{"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/8534","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=8534"}],"version-history":[{"count":3,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/8534\/revisions"}],"predecessor-version":[{"id":8537,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/8534\/revisions\/8537"}],"wp:attachment":[{"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/media?parent=8534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/categories?post=8534"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/tags?post=8534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}