{"id":4115,"date":"2016-05-24T15:07:02","date_gmt":"2016-05-24T13:07:02","guid":{"rendered":"https:\/\/preprod.skynight.com\/portfolio-item\/l-acoustics-la4\/"},"modified":"2018-04-10T22:33:02","modified_gmt":"2018-04-10T20:33:02","slug":"l-acoustics-la4","status":"publish","type":"portfolio","link":"https:\/\/preprod.skynight.com\/en\/portfolio-item\/l-acoustics-la4\/","title":{"rendered":"L-Acoustics LA4"},"content":{"rendered":"<p>[:fr]<\/p>\n<h2 style=\"text-align: center;\">L&#8217;amplification sous contr\u00f4le<\/h2>\n<p>[ut_spacer margin_top=&#8221;15&#8243;]<\/p>\n<p>[ut_blockquote_right] Syst\u00e8me de pilotage complet[\/ut_blockquote_right]<img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-841 size-medium\" style=\"margin: 50px 30px 90px 95px;\" src=\"\" alt=\"Amplificateur L-Acoustics LA4\" width=\"350\" height=\"233\" \/><\/p>\n<p class=\"skypar\">D\u00e9di\u00e9 au pilotage des syst\u00e8mes d\u2019enceintes L-Acoustics, le contr\u00f4leur amplifi\u00e9 haut de gamme LA4 est le petit fr\u00e8re du LA8 et regroupe dans un format 2U les ressources d\u2019un DSP 2 x 4 pilotant quatre canaux d\u2019amplification d\u00e9livrant jusqu\u2019\u00e0 1000 watts chacun, une interface utilisateur intuitive, un panneau de connexion pour les entr\u00e9es audio et les sorties haut-parleurs, deux ports de connexion Ethernet pour pilotage en r\u00e9seau, et une carte d\u2019entr\u00e9e AES\/EBU.<\/p>\n<p class=\"skypar\">Le LA4\u00a0 propose\u00a0\u00e9galement des presets usine pour modes passifs et actifs ainsi que le matri\u00e7age flexible entre les deux entr\u00e9es et les quatre sorties amplifi\u00e9es.<\/p>\n<p>[ut_spacer margin_top=&#8221;10&#8243;]<\/p>\n<p>[ut_blockquote_right] Fiche technique\u00a0[\/ut_blockquote_right]<\/p>\n<ul class=\"skypar\">\n<li>DSP de type SHARC 32 bits \u00e0 virgule flottante &#8211; \u00e9chantillonnage 96 kHz<\/li>\n<li>Convertisseurs A\/N 24 bits en cascade, 130 dB de dynamique<\/li>\n<li>Algorithmes IIR\/FIR combin\u00e9s<\/li>\n<li>D\u00e9lais d\u2019entr\u00e9e et de sortie ajustables<\/li>\n<li>Section d\u00e9di\u00e9e \u00e0 l\u2019\u00e9galisation de syst\u00e8mes, pilotable depuis le logiciel LA NETWORK MANAGER<\/li>\n<li>Contr\u00f4le d\u2019excursion et de temp\u00e9rature en temps r\u00e9el par le proc\u00e9d\u00e9 L-DRIVE<\/li>\n<li>Latence fixe = 3,9 ms<\/li>\n<li>Alimentation \u00e0 d\u00e9coupage universelle, 120 \/ 230 V<\/li>\n<li>4 x 800 W\/8 ohms \u00e0 1% de distorsion\/tous les canaux aliment\u00e9s simultan\u00e9ment (4 x 930 W cr\u00eate)<\/li>\n<li>4 x 1000 W\/4 ohms \u00e0 1% de distorsion\/tous les canaux aliment\u00e9s simultan\u00e9ment (4 x 1600 W cr\u00eate)<\/li>\n<li>Gain d\u2019amplification = 32 dB<\/li>\n<li>R\u00e9ponse en fr\u00e9quence : 10 &#8211; 30k Hz, -0,1\/+0,15 dB sous 8 ohms<\/li>\n<li>Niveau de bruit en sortie : -73 dBV (20 &#8211; 20k Hz, pond\u00e9r\u00e9 A)<\/li>\n<li>Plage dynamique en sortie : 111 dB (20 &#8211; 20k Hz, pond\u00e9r\u00e9 A)<\/li>\n<li>Niveau d\u2019entr\u00e9e maximum : 22 dBu (Sym\u00e9trique, THD 1%)<\/li>\n<li>S\u00e9paration des canaux : &gt; 90 dB<\/li>\n<li>Imp\u00e9dance d\u2019entr\u00e9e : 22 kOhms, sym\u00e9trique<\/li>\n<li>Dimensions : 88,1 (2U) x 483 x 420 mm<\/li>\n<li>Poids : 11,1 kg<\/li>\n<\/ul>\n<p>[ut_blockquote_right] Documentation\u00a0[\/ut_blockquote_right]<\/p>\n<p class=\"skypar\">Vous pouvez t\u00e9l\u00e9charger le <a href=\"https:\/\/preprod.skynight.com\/wp-content\/uploads\/2016\/05\/L-Acoustics_LA4_FR.pdf\" target=\"_blank\" rel=\"noopener\">mode d&#8217;emploi du contr\u00f4leur amplifi\u00e9 L-Acoustics LA4<\/a>.<\/p>\n<p>[ut_spacer margin_top=&#8221;6&#8243;]<\/p>\n<p>[ut_blockquote_right] D\u00e9couvrez nos produits similaires\u00a0[\/ut_blockquote_right]<\/p>\n<div id=\"attachment_991\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/preprod.skynight.com\/fr\/portfolio-item\/l-acoustics-la8\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-991\" class=\"size-medium wp-image-991\" src=\"\" alt=\"Amplificateur L-Acoustics LA8\" width=\"300\" height=\"200\" \/><\/a><p id=\"caption-attachment-991\" class=\"wp-caption-text\">Amplificateur L-Acoustics LA8<\/p><\/div>\n<p>[:en][ut_blockquote_right] Technical sheet\u00a0[\/ut_blockquote_right]<\/p>\n<ul class=\"skypar\">\n<li>24-bit cascaded A\/D converters, 130 dB dynamic range<\/li>\n<li>Combined IIR\/FIR algorithms<\/li>\n<li>Adjustable input and output delays<\/li>\n<li>Section dedicated to system equalization using LA NETWORK MANAGER<\/li>\n<li>L-DRIVE excursion and temperature real-time control<\/li>\n<li>Fixed Latency = 3.9 ms or 3.4 ms with AES\/EBU<\/li>\n<li>Universal switched mode power supply, 120 \/ 230 V<\/li>\n<li>4 x 800 W \/ 8 \u03a9 at 1% THD, all channels driven (4 x 930 W peak)<\/li>\n<li>4 x 1000 W\/ 4 \u03a9 at 1% THD, all channels driven (4 x 1600 W peak)<\/li>\n<li>Amplifier gain = 32 dB<\/li>\n<li>Frequency response : 10 Hz &#8211; 30 kHz, -0.1\/+0.15 dB at 8 \u03a9<\/li>\n<li>Output noise : -73 dBV (20 Hz \u2013 20 kHz, A-weighted)<\/li>\n<li>Output dynamic range: 111 dB (20 Hz \u2013 20 kHz A-weighted)<\/li>\n<li>Max input level: +22 dBu (balanced, THD 1%)<\/li>\n<li>Channel separation : &gt;80 dB (1 kHz)<\/li>\n<li>Input impedance : 22 k\u03a9, balanced<\/li>\n<li>Dimensions : 88 (2U) x 483 x 420 mm<\/li>\n<li>Weight : 11,1 kg<\/li>\n<\/ul>\n<p>[ut_blockquote_right] Documentation\u00a0[\/ut_blockquote_right]<\/p>\n<p class=\"skypar\">You can download here the <a href=\"https:\/\/preprod.skynight.com\/wp-content\/uploads\/2016\/05\/L-Acoustics_LA4_FR.pdf\" target=\"_blank\" rel=\"noopener\">user manual for L-Acoustics LA4 controled amplifier<\/a>.<\/p>\n<p>[ut_spacer margin_top=&#8221;6&#8243;]<\/p>\n<p>[ut_blockquote_right] Discover our similar products\u00a0[\/ut_blockquote_right]<\/p>\n<div id=\"attachment_991\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/preprod.skynight.com\/en\/portfolio-item\/l-acoustics-la8\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-991\" class=\"size-medium wp-image-991\" src=\"\" alt=\"Amplificateur L-Acoustics LA8\" width=\"300\" height=\"200\" \/><\/a><p id=\"caption-attachment-991\" class=\"wp-caption-text\">Amplificateur L-Acoustics LA8<\/p><\/div>\n<p>[:]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[:fr] L&#8217;amplification sous contr\u00f4le [ut_spacer margin_top=&#8221;15&#8243;] [ut_blockquote_right] Syst\u00e8me de pilotage complet[\/ut_blockquote_right] D\u00e9di\u00e9 au pilotage des syst\u00e8mes d\u2019enceintes L-Acoustics, le contr\u00f4leur amplifi\u00e9 haut de gamme LA4 est le petit fr\u00e8re du LA8 et regroupe dans un format 2U les ressources d\u2019un DSP 2 x 4 pilotant quatre canaux d\u2019amplification d\u00e9livrant jusqu\u2019\u00e0 1000 watts chacun, une interface [&hellip;]<\/p>\n","protected":false},"featured_media":3618,"comment_status":"closed","ping_status":"closed","template":"","tags":[],"portfolio_entries":[77],"class_list":["post-4115","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","portfolio_entries-sound"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L-Acoustics LA4 - Skynight<\/title>\n<meta name=\"description\" content=\"Syst\u00e8me de pilotage complet et haut de gamme d\u00e9di\u00e9 aux enceintes L-Acoustics.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L-Acoustics LA4 - Skynight\" \/>\n<meta property=\"og:description\" content=\"Syst\u00e8me de pilotage complet et haut de gamme d\u00e9di\u00e9 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