{"id":808,"date":"2026-02-17T13:34:05","date_gmt":"2026-02-17T11:34:05","guid":{"rendered":"https:\/\/www.sk-babickinerady.top\/?p=808"},"modified":"2026-02-17T13:34:05","modified_gmt":"2026-02-17T11:34:05","slug":"nevyhadzujte-stare-reproduktory-televizora-to-co-obsahuju-ma-vacsiu-hodnotu-nez-si-myslite","status":"publish","type":"post","link":"https:\/\/www.sk-babickinerady.top\/?p=808","title":{"rendered":"Nevyhadzujte star\u00e9 reproduktory telev\u00edzora: To, \u010do obsahuj\u00fa, m\u00e1 v\u00e4\u010d\u0161iu hodnotu, ne\u017e si mysl\u00edte."},"content":{"rendered":"\n<p>Zd\u00e1 sa, \u017ee ste narazili na \u010fal\u0161\u00ed popul\u00e1rny \u201epoklad\u201c medzi dom\u00e1cimi majstrami a h\u013eada\u010dmi cenn\u00fdch materi\u00e1lov. Star\u00e9 telev\u00edzory, najm\u00e4 tie star\u0161ie CRT (sklenen\u00e9) alebo skor\u00e9 ploch\u00e9 modely, obsahuj\u00fa reproduktory, ktor\u00e9 v sebe ukr\u00fdvaj\u00fa nie\u010do, \u010do m\u00e1 cenu nielen v peniazoch, ale aj v praktickom vyu\u017eit\u00ed.<\/p>\n\n\n\n<p>Tu je to, \u010do v nich m\u00e1 skuto\u010dn\u00fa hodnotu:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. Neodymov\u00e9 a feritov\u00e9 magnety<\/h3>\n\n\n\n<p>To je ten hlavn\u00fd \u201epoklad\u201c. V\u00e4\u010d\u0161ina reproduktorov obsahuje siln\u00e9 magnety.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vz\u00e1cne zeminy:<\/strong> Modern\u00e9, men\u0161ie reproduktory obsahuj\u00fa <strong>neodymov\u00e9 magnety<\/strong> (NdFeB). Neodym je jedn\u00fdm z kovov vz\u00e1cnych zem\u00edn a jeho cena na trhu neust\u00e1le kol\u00ed\u0161e, ale v roku 2026 zost\u00e1va kritickou surovinou pre elektromobilitu a technol\u00f3gie.<\/li>\n\n\n\n<li><strong>Praktick\u00e9 vyu\u017eitie:<\/strong> Majstri ich nevyhadzuj\u00fa, preto\u017ee s\u00fa ide\u00e1lne na v\u00fdrobu magnetick\u00fdch l\u00ed\u0161t na n\u00e1radie, dr\u017eiakov v dielni alebo na tzv. \u201emagnet fishing\u201c.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Kvalitn\u00e1 me\u010f (Cievky)<\/h3>\n\n\n\n<p>Vo vn\u00fatri ka\u017ed\u00e9ho reproduktora sa nach\u00e1dza kmitacia cievka vyroben\u00e1 z ve\u013emi \u010distej, lakovanej <strong>medi<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hoci je jej tam mal\u00e9 mno\u017estvo (p\u00e1r gramov), me\u010f je vysoko recyklovate\u013en\u00fd kov s rast\u00facou hodnotou. Ak m\u00e1te star\u00fdch telev\u00edzorov desiatky, mno\u017estvo medi u\u017e za\u010d\u00edna by\u0165 zauj\u00edmav\u00e9 pre zbern\u00e9 suroviny.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Audio komponenty pre DIY projekty<\/h3>\n\n\n\n<p>Star\u00e9 telev\u00edzne reproduktory (najm\u00e4 z pr\u00e9miov\u00fdch zna\u010diek ako Sony, Panasonic \u010di Philips) maj\u00fa \u010dasto prekvapivo dobr\u00fd zvukov\u00fd prednes v strednom p\u00e1sme.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bluetooth reproduktory:<\/strong> Kutilovia ich pou\u017e\u00edvaj\u00fa na stavbu vlastn\u00fdch prenosn\u00fdch reproduktorov. Sta\u010d\u00ed k nim pripoji\u0165 lacn\u00fd zosil\u0148ova\u010d s Bluetooth modulom z internetu a m\u00e1te kvalitn\u00fd audiosyst\u00e9m za p\u00e1r eur.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u010co v starom telev\u00edzore m\u00e1 e\u0161te v\u00e4\u010d\u0161iu hodnotu?<\/h3>\n\n\n\n<p>Ak rozober\u00e1te telev\u00edzor kv\u00f4li reproduktorom, ur\u010dite nevynechajte tieto \u010dasti:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Komponent<\/strong><\/td><td><strong>\u010co obsahuje<\/strong><\/td><td><strong>Pre\u010do je cenn\u00fd<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Z\u00e1kladn\u00e1 doska<\/strong><\/td><td>Pozl\u00e1ten\u00e9 konektory, striebro<\/td><td>Drah\u00e9 kovy v mikro\u010dipoch a spojoch.<\/td><\/tr><tr><td><strong>Meden\u00e1 cievka (na hrdle obrazovky)<\/strong><\/td><td>\u010cist\u00e1 me\u010f (tzv. &#8220;mlynica&#8221;)<\/td><td>Najv\u00e4\u010d\u0161\u00ed kus medi v celom starom telev\u00edzore (pri CRT modeloch).<\/td><\/tr><tr><td><strong>Transform\u00e1tor<\/strong><\/td><td>Me\u010f a feritov\u00e9 jadro<\/td><td>Cenn\u00e9 pre recykl\u00e1ciu alebo \u010fal\u0161ie elektro-projekty.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u26a0\ufe0f Bezpe\u010dnostn\u00e9 varovanie (D\u00f4le\u017eit\u00e9!)<\/h3>\n\n\n\n<p>Ak rozober\u00e1te star\u00fd <strong>CRT telev\u00edzor<\/strong> (ten \u0165a\u017ek\u00fd so sklenenou obrazovkou):<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Vysok\u00e9 nap\u00e4tie:<\/strong> Kondenz\u00e1tory a obrazovka m\u00f4\u017eu udr\u017ea\u0165 nebezpe\u010dn\u00fd elektrick\u00fd n\u00e1boj aj t\u00fd\u017edne po odpojen\u00ed zo siete!<\/li>\n\n\n\n<li><strong>V\u00e1kuum:<\/strong> Obrazovka je pod v\u00e1kuom \u2013 pri neopatrnom \u00fadere m\u00f4\u017ee d\u00f4js\u0165 k impl\u00f3zii a rozletu skla.<\/li>\n\n\n\n<li><strong>Toxick\u00e9 l\u00e1tky:<\/strong> Star\u00e9 obrazovky obsahuj\u00fa olovo a fluorescen\u010dn\u00fd pr\u00e1\u0161ok (luminofor), ktor\u00fd je toxick\u00fd.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Verdikt<\/h3>\n\n\n\n<p>\u201eV\u00e4\u010d\u0161ia hodnota, ne\u017e si mysl\u00edte\u201c v titulkoch \u010dasto odkazuje na to, \u017ee namiesto vyhodenia cel\u00e9ho zariadenia na skl\u00e1dku (kde za\u0148 e\u0161te mus\u00edte zaplati\u0165 poplatok za elektroodpad), m\u00f4\u017eete z\u00edska\u0165 <strong>siln\u00e9 magnety<\/strong> a <strong>\u010dist\u00fa me\u010f<\/strong>.<\/p>\n\n\n\n<p><strong>Chceli by ste vedie\u0165, ako bezpe\u010dne vybi\u0165 star\u00fd telev\u00edzor pred rozobrat\u00edm, alebo v\u00e1s zauj\u00edma, ako z t\u00fdchto reproduktorov postavi\u0165 funk\u010dn\u00e9 r\u00e1dio?<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zd\u00e1 sa, \u017ee ste narazili na \u010fal\u0161\u00ed popul\u00e1rny \u201epoklad\u201c medzi dom\u00e1cimi majstrami a h\u013eada\u010dmi cenn\u00fdch materi\u00e1lov. Star\u00e9 telev\u00edzory, najm\u00e4 tie star\u0161ie CRT (sklenen\u00e9) alebo skor\u00e9 ploch\u00e9 modely, obsahuj\u00fa reproduktory, ktor\u00e9 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":809,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-808","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zahrada-mesto"],"_links":{"self":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/808"}],"collection":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=808"}],"version-history":[{"count":1,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/808\/revisions"}],"predecessor-version":[{"id":810,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/808\/revisions\/810"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/media\/809"}],"wp:attachment":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}