{"id":7338,"date":"2019-03-15T13:05:31","date_gmt":"2019-03-15T13:05:31","guid":{"rendered":"https:\/\/www.hometheater.com.br\/portal\/?p=7338"},"modified":"2019-03-15T13:08:46","modified_gmt":"2019-03-15T13:08:46","slug":"caixa-psb-traz-multiplos-woofers-para-graves-fortes-e-precisos","status":"publish","type":"post","link":"https:\/\/www.hometheater.com.br\/portal\/2019\/03\/15\/caixa-psb-traz-multiplos-woofers-para-graves-fortes-e-precisos\/","title":{"rendered":"Caixa PSB traz m\u00faltiplos woofers para graves fortes e precisos"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7339 aligncenter\" src=\"https:\/\/www.hometheater.com.br\/portal\/wp-content\/uploads\/2019\/03\/nad_t3.jpg\" alt=\"\" width=\"800\" height=\"539\" srcset=\"https:\/\/www.hometheater.com.br\/portal\/wp-content\/uploads\/2019\/03\/nad_t3.jpg 800w, https:\/\/www.hometheater.com.br\/portal\/wp-content\/uploads\/2019\/03\/nad_t3-400x270.jpg 400w, https:\/\/www.hometheater.com.br\/portal\/wp-content\/uploads\/2019\/03\/nad_t3-500x337.jpg 500w, https:\/\/www.hometheater.com.br\/portal\/wp-content\/uploads\/2019\/03\/nad_t3-300x202.jpg 300w, https:\/\/www.hometheater.com.br\/portal\/wp-content\/uploads\/2019\/03\/nad_t3-768x517.jpg 768w, https:\/\/www.hometheater.com.br\/portal\/wp-content\/uploads\/2019\/03\/nad_t3-600x404.jpg 600w, https:\/\/www.hometheater.com.br\/portal\/wp-content\/uploads\/2019\/03\/nad_t3-210x140.jpg 210w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>A canadense<strong> <a href=\"http:\/\/www.psbspeakers.com\/\">PSB<\/a> <\/strong>\u00e9 uma das marcas de caixas ac\u00fasticas mais importantes desse segmento. Hoje, faz parte do Grupo Lenbrook, tamb\u00e9m propriet\u00e1rio da NAD e da Bluesound. O modelo T3 \u2013 comercializado sob encomenda no Brasil atrav\u00e9s da <strong><a href=\"http:\/\/www.chiave.com.br\">Chiave<\/a> <\/strong>\u2013 \u00e9 o carro-chefe da PSB, cuja linha Imagine \u00e9 complementada por bookshelves, centrais, surrounds e m\u00f3dulo Dolby Atmos.<\/p>\n<p>Trata-se de uma torre de 120cm de altura, por\u00e9m de apenas 29cm de largura, elaborada com projeto de tr\u00eas vias, triplos dutos traseiros e cinco drivers. Paul Barton e seus engenheiros garantem que a <strong><a href=\"http:\/\/www.psbspeakers.com\/products\/imagine\/Imagine-T3-Tower\">T3<\/a> <\/strong>entrega graves limpos e com resposta bem integrada \u00e0s demais frequ\u00eancias, inclusive fora do eixo de dispers\u00e3o.<\/p><div class=\"homet-conteudo\" style=\"text-align: center;\" id=\"homet-2557556954\"><div data-cfpa=\"36066\" data-cfpw=\"36066\" id=\"homet-2927012134\"><a data-no-instant=\"1\" href=\"https:\/\/loja.sommaior.com.br\/\" rel=\"noopener\" class=\"a2t-link\" aria-label=\"ABBEY-ROAD_360x300px\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hometheater.com.br\/portal\/wp-content\/uploads\/2025\/10\/ABBEY-ROAD_360x300px.jpg\" alt=\"\"  class=\"no-lazyload\" width=\"300\" height=\"250\"   \/><\/a><\/div><script type=\"text\/javascript\">;new advadsCfpAd( 36066 );<\/script><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-7340\" src=\"https:\/\/www.hometheater.com.br\/portal\/wp-content\/uploads\/2019\/03\/psb_t3-110x300.jpg\" alt=\"\" width=\"90\" height=\"247\" \/>Segundo eles, isso \u00e9 poss\u00edvel gra\u00e7as a um arranjo transicional dos tr\u00eas woofers de 7\u201d em c\u00e2maras individuais com sa\u00eddas de ar ajust\u00e1veis e crossovers de 4\u00aa ordem (tipo <strong><a href=\"http:\/\/linkwitzlab.com\/crossovers.htm\">Linkwitz-Riley<\/a><\/strong>), onde todos se combinam para produzir comprimentos de onda mais longos nas frequ\u00eancias realmente baixas.<\/p>\n<p>Em frequ\u00eancias mais altas, os woofers s\u00e3o atenuados at\u00e9 que apenas o driver adjacente ao midrange crie a transi\u00e7\u00e3o perfeita com resposta uniforme fora do eixo. Outra vantagem do uso de m\u00faltiplos woofers \u00e9 a transfer\u00eancia mais eficiente de energia para o ar em compara\u00e7\u00e3o com um \u00fanico woofer maior, evitando assim a \u201cexplos\u00e3o de graves de uma nota\u201d.<\/p>\n<p>A utiliza\u00e7\u00e3o de cones menores, de fibra de vidro e feltro revestido com pol\u00edmero, aliado a motores grandes resulta em maior sensibilidade (89dB) e resposta transiente mais r\u00e1pida com menor distor\u00e7\u00e3o: 24Hz (+\/-3dB), segundo a PSB. Respons\u00e1vel pelo intervalo entre 200Hz e 2.000Hz, o midrange de 5,25\u201d usa o mesmo cone em sua pr\u00f3pria c\u00e2mara selada.<\/p>\n<p>A ideia \u00e9 combinar alta capacidade de dispers\u00e3o com baixa distor\u00e7\u00e3o. J\u00e1 o tweeter de 1\u201d, com domo de tit\u00e2nio, estende a resposta a 23kHz, enquanto forma uma \u201cmola de ar\u201d que amortece a resson\u00e2ncia da c\u00fapula de metal e melhora a defini\u00e7\u00e3o. Com amplifica\u00e7\u00e3o recomendada de 300W, a T3 possui terminais para biamplifica\u00e7\u00e3o e triamplifica\u00e7\u00e3o.<\/p>\n<p>O gabinete \u00e9 produzido com MDF de sete camadas ligeiramente curvado e acusticamente inerte, dispon\u00edvel em preto de alto brilho (piano) e vermelho envernizado (cherry). Uma base de alum\u00ednio com ponteiras ajust\u00e1veis, para estabilidade em carpetes e pisos irregulares, acompanha cada caixa.<\/p>\n<p><strong>Fonte:<\/strong> revista HOME THEATER &amp; CASA DIGITAL<\/p>\n<p><strong>Temas relacionados:<\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.hometheater.com.br\/portal\/2017\/11\/27\/bw-aprimora-design-e-materiais-em-nova-serie-de-caixas-hi-end\/\">B&amp;W aprimora design e materiais em nova s\u00e9rie de caixas hi-end<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.hometheater.com.br\/portal\/2018\/02\/23\/com-acabamento-e-materiais-nobres-focal-lanca-caixa-kanta-no-2\/\">Focal lan\u00e7a a caixa Kanta No2 com acabamento especial <\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.hometheater.com.br\/portal\/2016\/10\/17\/revel-retorna-ao-pais-com-caixas-high-end-mais-acessiveis\/\">Revel retorna ao pa\u00eds com caixas high-end mais acess\u00edveis<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.hometheater.com.br\/portal\/2017\/04\/03\/nova-linha-de-caixas-polk-audio-tem-construcao-de-padrao-hi-fi\/\">Linha de caixas Polk Audio tem constru\u00e7\u00e3o de padr\u00e3o Hi-Fi<\/a><\/strong><\/p>\n<p><a href=\"https:\/\/www.hometheater.com.br\/portal\/2017\/03\/06\/jbl-renova-linha-de-caixas-inspiradas-em-monitores-de-estudio\/\"><strong>JBL renova linha de caixas inspiradas em monitores de est\u00fadio<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A canadense PSB \u00e9 uma das marcas de caixas ac\u00fasticas mais importantes desse segmento. Hoje, faz parte do Grupo Lenbrook, tamb\u00e9m propriet\u00e1rio da NAD e<\/p>\n","protected":false},"author":1,"featured_media":7341,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-7338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Caixa PSB traz m\u00faltiplos woofers para graves fortes e precisos - HT &amp; Casa Digital<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hometheater.com.br\/portal\/2019\/03\/15\/caixa-psb-traz-multiplos-woofers-para-graves-fortes-e-precisos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Caixa PSB traz m\u00faltiplos woofers para graves fortes e precisos - HT &amp; Casa Digital\" \/>\n<meta property=\"og:description\" content=\"A canadense PSB \u00e9 uma das marcas de caixas ac\u00fasticas mais importantes desse segmento. 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