{"id":1533,"date":"2025-01-18T01:11:51","date_gmt":"2025-01-18T04:11:51","guid":{"rendered":"https:\/\/centauro-cinema.com.br\/2018\/?post_type=product&p=1533"},"modified":"2025-03-07T14:15:59","modified_gmt":"2025-03-07T17:15:59","slug":"jbl-8281","status":"publish","type":"product","link":"https:\/\/centauro-cinema.com.br\/2018\/produto\/jbl-8281\/","title":{"rendered":"JBL 8281"},"content":{"rendered":"
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Alto-falante surround de cinema de 8\u201d de alta sa\u00edda, bidirecional e de alcance total<\/h3>\n

O alto-falante surround de cinema JBL 8281 oferece alta pot\u00eancia, alta sensibilidade e resposta de graves estendida em um gabinete muito compacto. Os recursos de confiabilidade e desempenho bidirecional do 8281 o posicionam como o surround compacto de baixo custo ideal para a faixa din\u00e2mica estendida exigida pelos formatos de som digital.<\/p>\n

Caracter\u00edsticas<\/span><\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Frequency Range (-10dB)<\/span><\/td>\n65 Hz – 18 kHz<\/span><\/td>\n<\/tr>\n
Frequency Response (\u00b13 dB)<\/span><\/td>\n75 Hz – 12 kHz<\/span><\/td>\n<\/tr>\n
Power Rating (Cont. Pink Noise\/Program\/Peak)<\/span><\/td>\n150 W continuous pink noise; 600 W peak<\/span><\/td>\n<\/tr>\n
Sensitivity<\/span><\/td>\n90 dB-SPL free-field<\/span><\/td>\n<\/tr>\n
Nominal Impedance<\/span><\/td>\n8 ohms<\/span><\/td>\n<\/tr>\n
Maximum Peak SPL<\/span><\/td>\n118 dB, @ 1 m (3.3 ft) 124 dB peak<\/span><\/td>\n<\/tr>\n
Horizontal Coverage Angle (-6dB)<\/span><\/td>\n100\u00b0 averaged 400 Hz to 12 kHz<\/span><\/td>\n<\/tr>\n
Vertical Coverage Angle (-6dB)<\/span><\/td>\n90\u00b0 averaged 400 Hz to 12 kHz<\/span><\/td>\n<\/tr>\n
Crossover Frequency<\/span><\/td>\n3000 Hz<\/span><\/td>\n<\/tr>\n
High Frequency Contour<\/span><\/td>\nISO2969 Curve X surround contour<\/span><\/td>\n<\/tr>\n
Polarity<\/span><\/td>\nEIA (Positive voltage to RED terminal gives forward cone motion)<\/span><\/td>\n<\/tr>\n
Low Frequency Transducer<\/span><\/td>\nNominal Diameter: 200 mm (8 in) 38 mm (1.5 in) voice coill<\/span><\/td>\n<\/tr>\n
High Frequency Transducer<\/span><\/td>\nNominal Diameter: 75 mm (3 in) 13 mm (0.5 in) voice coil<\/span><\/td>\n<\/tr>\n
Downward Firing Angle<\/span><\/td>\nNominal 20\u00b0 when mounted flush on back panel<\/span><\/td>\n<\/tr>\n
Enclosure Material<\/span><\/td>\nVinyl laminated MDF<\/span><\/td>\n<\/tr>\n
Grille Color<\/span><\/td>\nBlack DuraFlex\u2122 finish<\/span><\/td>\n<\/tr>\n
Input Connectors<\/span><\/td>\n2-way binding posts<\/span><\/td>\n<\/tr>\n
Dimensions (H x W x D)<\/span><\/td>\n410 mm x 343 mm x 246 mm (16.1 in x 13.5 in x 9.7 in)<\/span><\/td>\n<\/tr>\n
Net Weight (each)<\/span><\/td>\n6.6 kg ( 14.5 lbs.)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n
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O alto-falante surround de cinema JBL 8281 oferece alta pot\u00eancia, alta sensibilidade e resposta de graves estendida em um gabinete muito compacto. Os recursos de confiabilidade e desempenho bidirecional do 8281 o posicionam como o surround compacto de baixo custo ideal para a faixa din\u00e2mica estendida exigida pelos formatos de som digital.<\/p>\n

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  • Faixa de frequ\u00eancia de 65 Hz a 20 kHz<\/li>\n
  • Alta sensibilidade, 90 dB SPL, 1 W, 1 m (3,3 p\u00e9s)<\/li>\n
  • Capacidade de manuseio de alta pot\u00eancia: ru\u00eddo rosa cont\u00ednuo de 150 watts<\/li>\n
  • O design de montagem conveniente usa suportes JBL QuickMount, Omnimount ou APC Multimount<\/li>\n
  • O formato especial do gabinete incorpora um defletor frontal em \u00e2ngulo de 20\u00b0<\/li>\n
  • SMPTE\/ISO2969 Curva X \u00eanfase de alta frequ\u00eancia<\/li>\n
  • Perfil cunha, inv\u00f3lucro r\u00edgido de MDF com inv\u00f3lucro de lamina\u00e7\u00e3o vin\u00edlica<\/li>\n
  • Terminais de entrada localizados na parte superior do gabinete para acesso r\u00e1pido<\/li>\n
  • Cobertura horizontal e vertical uniforme<\/li>\n
  • Reprodu\u00e7\u00e3o sonora de trilhas sonoras de filmes com boa rela\u00e7\u00e3o custo-benef\u00edcio para cinemas b\u00e1sicos e audit\u00f3rios de pequeno e m\u00e9dio porte<\/li>\n<\/ul>\n","protected":false},"featured_media":1534,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[58],"product_tag":[158,92,164],"class_list":{"0":"post-1533","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-caixas-surround","7":"product_tag-caixa-surround","8":"product_tag-caixas-cinema","9":"product_tag-jbl-8281","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/product\/1533","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/comments?post=1533"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/media\/1534"}],"wp:attachment":[{"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/media?parent=1533"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/product_brand?post=1533"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/product_cat?post=1533"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/product_tag?post=1533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}