{"id":5763,"date":"2024-12-31T16:03:06","date_gmt":"2024-12-31T08:03:06","guid":{"rendered":"https:\/\/www.rkmega.com\/?post_type=product&#038;p=5763"},"modified":"2025-04-23T17:58:19","modified_gmt":"2025-04-23T09:58:19","slug":"rk-a4400","status":"publish","type":"product","link":"https:\/\/www.rkmega.com\/pt\/produto\/rk-a4400\/","title":{"rendered":"Modelo: RK-A4400"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td><strong><b>Nome do par\u00e2metro<\/b><\/strong><\/td>\n<td><strong><b>Valor do par\u00e2metro<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>Pot\u00eancia nominal em 8\u03a9<\/td>\n<td>4x400W<\/td>\n<\/tr>\n<tr>\n<td>Pot\u00eancia nominal em 4\u03a9<\/td>\n<td>4x600W<\/td>\n<\/tr>\n<tr>\n<td>Resposta de frequ\u00eancia<\/td>\n<td>20Hz-20kHz: +\/-0,25dB<\/td>\n<\/tr>\n<tr>\n<td>Taxa de varia\u00e7\u00e3o<\/td>\n<td>50V\/us<\/td>\n<\/tr>\n<tr>\n<td>Fator de amortecimento<\/td>\n<td>&gt;1000<\/td>\n<\/tr>\n<tr>\n<td>Sensibilidade de entrada<\/td>\n<td>0.775V<\/td>\n<\/tr>\n<tr>\n<td>Rela\u00e7\u00e3o sinal-ru\u00eddo<\/td>\n<td>112dB (pondera\u00e7\u00e3o A)<\/td>\n<\/tr>\n<tr>\n<td>Distor\u00e7\u00e3o<\/td>\n<td>\u22640,005%<\/td>\n<\/tr>\n<tr>\n<td>Fator de pot\u00eancia cos(\u03a6)<\/td>\n<td>&gt;0.95 @ &gt;500W<\/td>\n<\/tr>\n<tr>\n<td>Tens\u00e3o\/corrente m\u00e1xima de sa\u00edda<\/td>\n<td>100V de pico\/50A de pico<\/td>\n<\/tr>\n<tr>\n<td>Fonte de alimenta\u00e7\u00e3o<\/td>\n<td>Modo de comuta\u00e7\u00e3o padr\u00e3o com tecnologia PFC (Power Factor Correction)<\/td>\n<\/tr>\n<tr>\n<td>Dimens\u00f5es da m\u00e1quina<\/td>\n<td>485 mm x 270 mm x 44 mm<\/td>\n<\/tr>\n<tr>\n<td>Peso<\/td>\n<td>4,6 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>AC 220V Purifica\u00e7\u00e3o de flutua\u00e7\u00e3o de energia.<\/p>\n<p>Desvio e purifica\u00e7\u00e3o de ru\u00eddo terrestre bidirecional.<\/p>\n<p>Purifica\u00e7\u00e3o de ru\u00eddo da fonte de sinal secund\u00e1rio.<\/p>\n<p>Controle de mudan\u00e7a de fase de imped\u00e2ncia complexa.<\/p>\n<p>Amplificador de energia direta com controle de pot\u00eancia sem distor\u00e7\u00e3o constante.<\/p>\n<p>Recupera\u00e7\u00e3o din\u00e2mica de energia dos alto-falantes.<\/p>","protected":false},"featured_media":5764,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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