{"id":4995,"date":"2020-12-01T12:08:33","date_gmt":"2020-12-01T10:08:33","guid":{"rendered":"https:\/\/www.loudspeakers.audio\/?page_id=4995"},"modified":"2025-08-14T22:11:17","modified_gmt":"2025-08-14T20:11:17","slug":"faq","status":"publish","type":"page","link":"https:\/\/www.loudspeakers.audio\/en\/faq\/","title":{"rendered":"Please read FAQ before&#8230;"},"content":{"rendered":"<style>.ewd-ufaq-post-margin-symbol { color: #4055a9 !important; }.ewd-ufaq-post-margin-symbol { border-color: #53037d !important; }.ewd-ufaq-faq-display-style-block.ewd-ufaq-post-active, .ewd-ufaq-faq-display-style-block.ewd-ufaq-post-active a,.ewd-ufaq-faq-display-style-block:hover, .ewd-ufaq-faq-display-style-block:hover a, .ewd-ufaq-faq-display-style-block:hover h5 { background-color: #617ffe !important; }.ewd-ufaq-faq-display-style-border_block.ewd-ufaq-post-active, .ewd-ufaq-faq-display-style-border_block:hover, .ewd-ufaq-faq-display-style-border_block:hover h5 { background-color: #617ffe !important; }.ewd-ufaq-faq-display-style-border_block .ewd-ufaq-faq-body { border-color: #617ffe !important; }.ewd-ufaq-faq-display-style-border_block .comment-reply-title, .ewd-ufaq-faq-display-style-border_block:hover .comment-reply-title { background-color: transparent !important; }.ewd-ufaq-faq-display-style-block:hover .ewd-ufaq-post-margin-symbol, .ewd-ufaq-category-post-margin-symbol, .ewd-ufaq-faq-display-style-block:hover h5 { color: #4055a9 !important; }.ewd-ufaq-faq-display-style-border_block:hover .ewd-ufaq-post-margin-symbol, .ewd-ufaq-category-post-margin-symbol, .ewd-ufaq-faq-display-style-border_block:hover h5 { color: #4055a9 !important; }.ewd-ufaq-faq-header-title a { color: #7b2c2c !important; }div.ewd-ufaq-faq-title h5 { color: #4055a9 !important; }div.ewd-ufaq-faq-post p { color: #000000 !important; }div.ewd-ufaq-faq-category-title h3 { color: #2b1010 !important; }div.ewd-ufaq-faq-categories, div.ewd-ufaq-faq-tags { color: #9b4c4c !important; }div.ewd-ufaq-faq-categories, div.ewd-ufaq-faq-tags { margin: 30 !important; }<\/style><div id='ewd-ufaq-jquery-ajax-search'>\n\n\t<label class='ewd-ufaq-field-label' for='ewd-ufaq-text-search'>\n\t\tEnter your question:\n\t<\/label>\n\n\t<input type='hidden' name='show_on_load' value='' id='ewd-ufaq-show-on-load' \/>\n<input type='hidden' name='include_category' value='' id='ewd-ufaq-include-category' \/>\n<input type='hidden' name='exclude_category' value='' id='ewd-ufaq-exclude-category' \/>\n<input type='hidden' name='orderby' value='set_order' id='ewd-ufaq-orderby' \/>\n<input type='hidden' name='order' value='asc' id='ewd-ufaq-order' \/>\n<input type='hidden' name='post_count' value='-1' id='ewd-ufaq-post-count' \/>\n<input type='hidden' name='current_url' value='\/en\/wp-json\/wp\/v2\/pages\/4995' id='ewd-ufaq-current-url' \/>\n\t<div class=\"search-field\">\n\t\t<input\n\t\t\tid='ewd-ufaq-text-search'\n\t\t\ttype='search'\n\t\t\tclass='ewd-ufaq-text-input ewd-ufaq-text-auto-complete'\n\t\t\tplaceholder='Enter your question...'\n\t\t\tvalue='' \/>\n\t\t<button type=\"button\" class=\"clear-field\" data-state=\"hidden\">x<\/button>\n\t<\/div>\n\n\t\n<\/div><div  class=\"ewd-ufaq-faq-list ewd-ufaq-page-type-infinite_scroll ewd-ufaq-category-tabs- ewd-ufaq-search\" id='ewd-ufaq-faq-list'>\n\n\t<input type='hidden' name='show_on_load' value='' id='ewd-ufaq-show-on-load' \/>\n<input type='hidden' name='include_category' value='' id='ewd-ufaq-include-category' \/>\n<input type='hidden' name='exclude_category' value='' id='ewd-ufaq-exclude-category' \/>\n<input type='hidden' name='orderby' value='set_order' id='ewd-ufaq-orderby' \/>\n<input type='hidden' name='order' value='asc' id='ewd-ufaq-order' \/>\n<input type='hidden' name='post_count' value='-1' id='ewd-ufaq-post-count' \/>\n<input type='hidden' name='current_url' value='\/en\/wp-json\/wp\/v2\/pages\/4995' id='ewd-ufaq-current-url' \/>\n\t<div class='ewd-ufaq-expand-collapse-div'>\n\n\t<span class='ewd-ufaq-expand-all ' tabindex=\"0\">\n\t\t<span class='ewd-ufaq-toggle-all-symbol'>c<\/span> \n\t\tExpand All\t<\/span>\n\n\t<span class='ewd-ufaq-collapse-all ewd-ufaq-hidden' tabindex=\"0\">\n\t\t<span class='ewd-ufaq-toggle-all-symbol'>C<\/span>\n\t\tCollapse All\t<\/span>\n\n<\/div>\n\t\n\t<div class='ewd-ufaq-faqs'>\n\n\t\t\n\t<\/div>\n\n\t\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>B Evaluation of room correction products In 2009, Sean Olive presented at the AES and published a nice paper called &#8220;The Subjective and Objective Evaluation of Room Correction Products&#8221; with listening tests comparing 5 products to unequalised response : see here. It is interesting to see that : the best &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"give_campaign_id":0,"footnotes":""},"class_list":["post-4995","page","type-page","status-publish","hentry"],"campaignId":"","_links":{"self":[{"href":"https:\/\/www.loudspeakers.audio\/en\/wp-json\/wp\/v2\/pages\/4995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.loudspeakers.audio\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.loudspeakers.audio\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.loudspeakers.audio\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.loudspeakers.audio\/en\/wp-json\/wp\/v2\/comments?post=4995"}],"version-history":[{"count":0,"href":"https:\/\/www.loudspeakers.audio\/en\/wp-json\/wp\/v2\/pages\/4995\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.loudspeakers.audio\/en\/wp-json\/wp\/v2\/media?parent=4995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}