{"id":311,"date":"2025-09-20T13:47:55","date_gmt":"2025-09-20T11:47:55","guid":{"rendered":"https:\/\/drkrupp.se\/hifi\/?page_id=311"},"modified":"2025-09-27T15:18:25","modified_gmt":"2025-09-27T13:18:25","slug":"fordrojning","status":"publish","type":"page","link":"https:\/\/drkrupp.se\/hifi\/den-fardiga-ladan\/fordrojning\/","title":{"rendered":"F\u00f6rdr\u00f6jning"},"content":{"rendered":"\n<p class=\"has-small-font-size wp-block-paragraph\"><a href=\"https:\/\/drkrupp.se\/hifi\/\" data-type=\"page\" data-id=\"10\">Hem<\/a> > <a href=\"https:\/\/drkrupp.se\/hifi\/den-fardiga-ladan\/\" data-type=\"page\" data-id=\"292\">Den f\u00e4rdiga l\u00e5dan<\/a> > F\u00f6rdr\u00f6jning<\/p>\n\n\n\n<p class=\"is-style-text-annotation has-accent-3-background-color has-background is-style-text-annotation--1 wp-block-paragraph\">H\u00f6gre frekvenser tenderar att bara komma fr\u00e5n omr\u00e5det n\u00e4rmast talspolens inf\u00e4stning i konen (eller domen). Ett fenomen som kan orsaka en del problem.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Som beskrivits innan str\u00e5lar inte alla frekvenser ut fr\u00e5n samma punkt p\u00e5 ett h\u00f6gtalarelement. H\u00f6gre frekvenser tenderar att bara komma fr\u00e5n omr\u00e5det n\u00e4rmast talspolens inf\u00e4stning i konen (eller domen). Ett fenomen som kan orsaka en del problem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Eftersom en konh\u00f6gtalare \u00e4r djupare \u00e4n t ex en domediskant kommer mera h\u00f6gfrekventa ljud fr\u00e5n konen att n\u00e5 lyssnaren n\u00e5got senare. F\u00f6rdr\u00f6jningen \u00e4r mycket liten, i storleksordningen ett par hundra mikrosekunder. Likv\u00e4l orsakar f\u00f6rdr\u00f6jningen tv\u00e5 problem. F\u00f6r det f\u00f6rsta blir frekvensg\u00e5ngen oj\u00e4mn d\u00e4r elementen lappar \u00f6ver varandra. F\u00f6r det andra p\u00e5verkar f\u00f6rdr\u00f6jningen ljudbilden n\u00e5got. Effekten \u00e4r inte s\u00e5 tydlig, men ljudet kan tendera att bli n\u00e5got mindre tredimensionellt om f\u00f6rdr\u00f6jningen \u00e4r markant. Speciellt hornh\u00f6gtalare d\u00e4r det ljudalstrande membranet sitter l\u00e5ngt in i konstruktionen \u00e4r bekymmersamma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ett s\u00e4tt att kompensera f\u00f6r f\u00f6rdr\u00f6jningarna kan man placera distansringar p\u00e5 baffeln f\u00f6r att flytta fram mellanregister och bas n\u00e5got. Ett annat s\u00e4tt att n\u00e5 en liknande effekt \u00e4r att luta baffeln bak\u00e5t. Man m\u00e5ste d\u00e5 vara medveten om att ljudet riktas mer mot taket, vilket i sig kan orsaka o\u00f6nskade reflexer.<br>I enklare h\u00f6gtalare kan man helt bortse fr\u00e5n f\u00f6rdr\u00f6jningsproblem, billiga element f\u00f6rs\u00e4mrar ljudet mycket mer!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se \u00e4ven avsnittet&nbsp;<a href=\"https:\/\/drkrupp.se\/hifi\/hogtalarlador\/elementplacering\/\" data-type=\"page\" data-id=\"230\">Elementplacering i djupled<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hem > Den f\u00e4rdiga l\u00e5dan > F\u00f6rdr\u00f6jning H\u00f6gre frekvenser tenderar att bara komma fr\u00e5n omr\u00e5det n\u00e4rmast talspolens inf\u00e4stning i konen (eller domen). Ett fenomen som kan orsaka en del problem.&nbsp; Som beskrivits innan str\u00e5lar inte alla frekvenser ut fr\u00e5n samma punkt p\u00e5 ett h\u00f6gtalarelement. H\u00f6gre frekvenser tenderar att bara komma fr\u00e5n omr\u00e5det n\u00e4rmast talspolens inf\u00e4stning [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":292,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"slim_seo":{"title":"F\u00f6rdr\u00f6jning - Hur Hifi - H&auml;r l&auml;r du dig att bygga dina egna h&ouml;gtalare, dina egna delningsfilter och l&aring;dkonstruktioner","description":"Hem > Den f\u00e4rdiga l\u00e5dan > F\u00f6rdr\u00f6jning H\u00f6gre frekvenser tenderar att bara komma fr\u00e5n omr\u00e5det n\u00e4rmast talspolens inf\u00e4stning i konen (eller domen). Ett fenomen som"},"footnotes":""},"class_list":["post-311","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/pages\/311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/comments?post=311"}],"version-history":[{"count":5,"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/pages\/311\/revisions"}],"predecessor-version":[{"id":756,"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/pages\/311\/revisions\/756"}],"up":[{"embeddable":true,"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/pages\/292"}],"wp:attachment":[{"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/media?parent=311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}