{"id":569,"date":"2016-09-01T16:42:25","date_gmt":"2016-09-01T16:42:25","guid":{"rendered":"http:\/\/www.professionistidelsuono.net\/blog_audio\/?p=569"},"modified":"2016-08-28T12:45:23","modified_gmt":"2016-08-28T12:45:23","slug":"subwoofer-in-dipolo","status":"publish","type":"post","link":"https:\/\/www.professionistidelsuono.net\/blog_audio\/subwoofer-in-dipolo\/","title":{"rendered":"Subwoofer in Dipolo"},"content":{"rendered":"<p align=\"left\"><strong>Il Carico Acustico<br \/>\n<\/strong>Viene definito carico acustico, il pannello o il box sul quale \u00e8 montato l&#8217;altoparlante. La sua funzione \u00e8 di separare l&#8217;emissione anteriore del diaframma da quella posteriore, ci\u00f2 per evitare che i due movimenti in opposizione di fase tra loro, si annullino acusticamente. Esistono diversi sistemi per separare le emissioni di un altoparlante: dai sistemi che schermano semplicemente le due emissioni a quelli pi\u00f9 complessi dove una delle due emissioni viene sfruttata per rinforzare l&#8217;altra. Di seguito diamo una descrizione generica dei diversi principi di funzionamento.<\/p>\n<p><strong>Il dipolo<br \/>\n<\/strong>Probabilmente \u00e8 il sistema pi\u00f9 semplice. E&#8217; costituito infatti da un pannello sul quale \u00e8 fissato l&#8217;altoparlante che irradia su entrambi i lati. Le due emissioni sono separate dal pannello ed entreranno in conflitto solo quando la semilunghezza d&#8217;onda della frequenza emessa diventa confrontabile con la dimensione minima del pannello. Al di sotto di tale frequenza si verifica una attenuazione progressiva e smorzata ( circa 6 dB\/ott.). E&#8217; evidente che pi\u00f9 si vuole scendere a frequenze basse, tanto maggiori saranno le dimensioni del pannello. Le dimensioni non contenute di questo sistema costituiscono un ostacolo non indifferente alla sua diffusione. In considerazione delle sue particolari caratteristiche acustiche viene impiegato principalmente nell&#8217;alta fedelt\u00e0.<\/p>\n<p align=\"center\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.professionistidelsuono.net\/immagini\/dip.jpg?resize=182%2C164\" alt=\"subwoofer dipolo\" width=\"182\" height=\"164\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Il Carico Acustico Viene definito carico acustico, il pannello o il box sul quale \u00e8 montato l&#8217;altoparlante. La sua funzione \u00e8 di separare l&#8217;emissione anteriore del diaframma da quella posteriore, ci\u00f2 per evitare che&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":493,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[3,4],"tags":[247,252,253,145,70],"class_list":["post-569","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car-audio","category-home-hi-fi","tag-caricamento","tag-dipolo","tag-mensola","tag-pannello","tag-subwoofer"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Probabilmente \u00e8 il sistema pi\u00f9 semplice. 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