{"product_id":"b-c-speakers-12-plb-76-422799","title":"12 PLB 76","description":"\u003ch3\u003eUm transdutor B\u0026amp;C orientado para desempenho no registro grave\/médio\u003c\/h3\u003e\u003cp\u003eO B\u0026amp;C 12PLB76 é um alto-falante de \u003cstrong\u003e12 polegadas (31 cm)\u003c\/strong\u003e projetado para cobrir eficazmente a zona crítica do \u003cstrong\u003egrave\/médio\u003c\/strong\u003e, onde se constrói o impacto, a projeção e grande parte da inteligibilidade musical. Com uma \u003cstrong\u003esensibilidade de 98,5 dB\u003c\/strong\u003e e uma \u003cstrong\u003epotência AES de 700 W\u003c\/strong\u003e, ele se insere numa lógica de \"sonorização\": obter muito nível, manter o controle e permanecer confiável quando o sistema é exigido.\u003c\/p\u003e\u003cp\u003eSeus parâmetros (notadamente \u003cstrong\u003eFs 50 Hz\u003c\/strong\u003e e \u003cstrong\u003eQts 0,23\u003c\/strong\u003e ) e sua carga recomendada em bass-reflex indicam claramente seu campo de atuação: caixas capazes de entregar graves firmes e médios-baixos energéticos, com resposta utilizável até \u003cstrong\u003e2 kHz\u003c\/strong\u003e dependendo do filtro e do uso de corneta\/driver eventualmente associado.\u003c\/p\u003e\u003ch3\u003ePara quais caixas e para quem se destina este alto-falante de 12 polegadas?\u003c\/h3\u003e\u003cp\u003eEste modelo é destinado a profissionais de áudio, integradores e fabricantes (DIY ou oficinas) que buscam um \u003cstrong\u003ewoofer de 12 polegadas\u003c\/strong\u003e eficiente para \u003cstrong\u003ecaixas de sonorização\u003c\/strong\u003e : caixas versáteis, caixas frontais, monitores de palco potentes ou vias de grave\/médio em sistemas multiamplificados. Graças à sua faixa de frequência anunciada, pode cobrir a parte baixa do espectro subindo o suficiente para facilitar a integração com um driver de agudos, conforme a escolha da frequência de crossover e a inclinação do filtro.\u003c\/p\u003e\u003cp\u003eSe seu caderno de encargos prioriza \u003cstrong\u003eo rendimento\u003c\/strong\u003e, \u003cstrong\u003ea resistência à potência\u003c\/strong\u003e e uma sensação de impacto nos médios-baixos, o 12PLB76 constitui uma base sólida, desde que se respeitem o volume de carga e o ajuste recomendados, bem como o desenvolvimento (filtragem, duto, amortecimento) próprio da sua caixa acústica.\u003c\/p\u003e\u003ch3\u003eConcepção e pontos-chave: potência, rendimento e comportamento mecânico\u003c\/h3\u003e\u003ch4\u003eResistência à potência: bobina de 76 mm e projeto orientado para durabilidade\u003c\/h4\u003e\u003cp\u003eA \u003cstrong\u003ebobina móvel de 76 mm\u003c\/strong\u003e (3 polegadas) com \u003cstrong\u003efio de alumínio\u003c\/strong\u003e contribui para a capacidade do alto-falante de suportar alta potência contínua (especificação \u003cstrong\u003e700 W AES\u003c\/strong\u003e ). Em uma caixa corretamente ventilada e filtrada, isso ajuda a manter uma dinâmica estável e limitar a compressão térmica durante usos prolongados.\u003c\/p\u003e\u003ch4\u003eAlto rendimento: uma base eficiente para sistemas \"que projetam\"\u003c\/h4\u003e\u003cp\u003eCom \u003cstrong\u003e98,5 dB (1 W\/1 m)\u003c\/strong\u003e, o 12PLB76 visa claramente a eficiência. Na prática, isso significa que você pode alcançar um nível elevado sem depender somente de watts adicionais, favorecendo uma sonorização mais responsiva, com melhor margem antes de atingir os limites mecânicos ou térmicos.\u003c\/p\u003e\u003ch4\u003eComportamento mecânico: suspensão dupla rolete, cone exponencial e spider simples\u003c\/h4\u003e\u003cp\u003eA \u003cstrong\u003esuspensão dupla rolete\u003c\/strong\u003e contribui para o controle do deslocamento e para a resistência mecânica sob fortes solicitações. O \u003cstrong\u003econe exponencial\u003c\/strong\u003e é uma escolha comum para otimizar o compromisso entre rigidez, diretividade e extensão em frequência no registro médio, enquanto o \u003cstrong\u003espider simples\u003c\/strong\u003e assegura o centramento e a estabilidade da bobina no entreferro.\u003c\/p\u003e\u003ch4\u003eAjuste e carga: recomendação clara para bass-reflex\u003c\/h4\u003e\u003cp\u003eA \u003cstrong\u003ecarga recomendada de 42 litros\u003c\/strong\u003e com um \u003cstrong\u003eajuste a 65 Hz\u003c\/strong\u003e fornece um ponto de partida concreto para projetar uma caixa bass-reflex coerente. Respeitando essa base (volume interno líquido, dimensionamento e comprimento do duto, perdas), você aumenta as chances de obter uma resposta equilibrada e graves limpos, aproveitando a faixa útil anunciada.\u003c\/p\u003e\n\n\u003ch2\u003eEspecificações técnicas\u003c\/h2\u003e\n\u003cstyle\u003e@media(max-width:632px){table[data-wb-spec]{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}table[data-wb-spec] colgroup{display:none}table[data-wb-spec] tbody,table[data-wb-spec] tr{display:contents}table[data-wb-spec] td{display:block;overflow-wrap:anywhere;grid-row:var(--wb-l);background-color:var(--wb-lb)}table[data-wb-spec] td[data-r]{grid-row:var(--wb-r);background-color:var(--wb-rb)}table[data-wb-spec] td[colspan=\"2\"]{grid-column:1\/-1}table[data-wb-spec] td:empty{display:none}}\u003c\/style\u003e\n\u003ctable data-wb-spec style=\"width:100%;table-layout:fixed\"\u003e\n\u003ccolgroup\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003c\/colgroup\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:1;--wb-r:3;--wb-lb:var(--wb-neutral-50);--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eInstalável em rack\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eNão\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eTipo\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eAltifalantes\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:2;--wb-r:4;--wb-lb:transparent;--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eCategoria\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eACC71_categorie620\u003c\/td\u003e\u003ctd data-r colspan=\"2\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable data-wb-spec style=\"width:100%;table-layout:fixed\"\u003e\n\u003ccolgroup\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003c\/colgroup\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:1;--wb-r:10;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003ePotência\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e700 W AES\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eFs\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e50 Hz\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:2;--wb-r:11;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eImpedância\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e8 ohms\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eQts\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e0,23\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:3;--wb-r:12;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eSensibilidade\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e98,5 dB (1 W\/1 m)\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eXmax\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e5,0 mm\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:4;--wb-r:13;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eResposta em frequência\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e50 Hz - 2 kHz\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eDiâmetro total\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e316 mm\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:5;--wb-r:14;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eBobina móvel\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e76 mm (3 polegadas), fio de alumínio\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eAltura\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e136 mm\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:6;--wb-r:15;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eÍmã\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eferrite\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003ePeso\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e7,4 kg\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:7;--wb-r:16;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eSuspensão\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003edupla rolete\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eVolume\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e42 litros\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:8;--wb-r:17;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eCone\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eexponencial\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eAjuste\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e65 Hz\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:9;--wb-r:18;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eSpider\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003esimples\u003c\/td\u003e\u003ctd data-r colspan=\"2\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"B\u0026C Speakers","offers":[{"title":"Default Title","offer_id":54360840110355,"sku":"422799","price":179.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0872\/6803\/files\/63bf39ab0648fd5824bf74abd634b1662d594bc5_MSC_8872.jpg?v=1792629634","url":"https:\/\/woodbrass.pt\/products\/b-c-speakers-12-plb-76-422799","provider":"Woodbrass.com","version":"1.0","type":"link"}