{"id":1520,"date":"2025-01-18T00:38:47","date_gmt":"2025-01-18T03:38:47","guid":{"rendered":"https:\/\/centauro-cinema.com.br\/2018\/?post_type=product&p=1520"},"modified":"2025-03-07T14:07:53","modified_gmt":"2025-03-07T17:07:53","slug":"jbl-4181","status":"publish","type":"product","link":"https:\/\/centauro-cinema.com.br\/2018\/produto\/jbl-4181\/","title":{"rendered":"JBL 4181"},"content":{"rendered":"
\n
\n

Sistema de subwoofer de cinema \u00fanico de 460 mm (18″)<\/h3>\n

O JBL 4181 \u00e9 um sistema de subwoofer de alta qualidade, apresentando uma tecnologia avan\u00e7ada de 460 mm (18 pol), transdutor de baixa frequ\u00eancia montado em um radiador direto, gabinete bass-reflex para resposta suave \u00e0s frequ\u00eancias aud\u00edveis mais baixas. O 4181 \u00e9 ideal para aumento de baixa frequ\u00eancia de trilhas sonoras anal\u00f3gicas ou digitais em cinemas e para aplica\u00e7\u00f5es gerais de refor\u00e7o de som.<\/p>\n<\/div>\n<\/div>\n

\n
\n

Caracter\u00edsticas<\/h3>\n<\/div>\n<\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Rated Impedance<\/span><\/td>\n8 ohms<\/span><\/td>\n<\/tr>\n
Minimum Impedance<\/span><\/td>\n5.6 ohms<\/span><\/td>\n<\/tr>\n
Power Handling Capability<\/span><\/td>\nContinuos Pink Noise: 500 W Continuous Program: 1000 W Peak Power: 2000 W<\/span><\/td>\n<\/tr>\n
Axial Sensitivity<\/span><\/td>\n50 Hz to 500 Hz; 101 dB, 1W @ 1m 40 Hz to 100 Hz; 99 dB, 1W @ 1m<\/span><\/td>\n<\/tr>\n
Half-Space Reference Efficiency<\/span><\/td>\nSingle Module: 5%; Two Modules: 10%; Three Modules: 15%; Four Modules: 20%<\/span><\/td>\n<\/tr>\n
Max. Continuous Acoustical Power Output<\/span><\/td>\nSingle Module: 25 W; Two Modules: 100 W; Three Modules: 225 W; Four Modules: 400 W<\/span><\/td>\n<\/tr>\n
Maximum Continuous SPL @ 1 meter<\/span><\/td>\nSingle Module: 126 dB; Two Modules: 132 dB; Three Modules: 136 dB; Four Modules: 138 dB<\/span><\/td>\n<\/tr>\n
Maximum Peak SPL @ 1 meter<\/span><\/td>\nSingle Module: 132 dB; Two Modules: 138 dB; Three Modules: 142 dB; Four Modules: 144 dB<\/span><\/td>\n<\/tr>\n
Frequency Response<\/span><\/td>\nLower Frequency Limits (no EQ): -10 dB: 28 Hz; -3 dB: 40 Hz Lower Frequency Limits (with EQ): -10 dB: 26 Hz; -3 dB: 34 Hz<\/span><\/td>\n<\/tr>\n
Recommended Crossover Frequencies<\/span><\/td>\nHigh-pass: 20 Hz, 24 dB\/octave or greater Low-pass: 80 Hz to 150 Hz, 12 dB\/octave or greater<\/span><\/td>\n<\/tr>\n
Distortion<\/span><\/td>\n2nd harmonic: < 3% 3rd harmonic: < 2%<\/span><\/td>\n<\/tr>\n
System Polarity<\/span><\/td>\nEIA Standard. Positive voltage to RED terminal produces forward cone motion.<\/span><\/td>\n<\/tr>\n
Input Connectors<\/span><\/td>\nColor-coded binding posts<\/span><\/td>\n<\/tr>\n
Nominal Diameter<\/span><\/td>\n460 mm (18 in)<\/span><\/td>\n<\/tr>\n
Materials and Finish<\/span><\/td>\n15mm MDF. Extensive bracing on all panels. Vinyl laminated.<\/span><\/td>\n<\/tr>\n
Enclosure Tuning Frequency<\/span><\/td>\n30 Hz<\/span><\/td>\n<\/tr>\n
Net Internal Volume<\/span><\/td>\n255 liters (9 cu. ft)<\/span><\/td>\n<\/tr>\n
Dimensions (H x W x D)<\/span><\/td>\n1100 mm x 640 mm x 450 mm (43.3 in x 25.2 in x 17.75 in)<\/span><\/td>\n<\/tr>\n
Net Weight<\/span><\/td>\n44 kg (96 lbs.)<\/span><\/td>\n<\/tr>\n
Shipping Weight (ea)<\/span><\/td>\n50 kg (109 lbs.)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

O JBL 4181 \u00e9 um sistema de subwoofer de alta qualidade, apresentando uma tecnologia avan\u00e7ada de 460 mm (18 pol), transdutor de baixa frequ\u00eancia montado em um radiador direto, gabinete bass-reflex para resposta suave \u00e0s frequ\u00eancias aud\u00edveis mais baixas. O 4181 \u00e9 ideal para aumento de baixa frequ\u00eancia de trilhas sonoras anal\u00f3gicas ou digitais em cinemas e para aplica\u00e7\u00f5es gerais de refor\u00e7o de som<\/p>\n

    \n
  • 500 Watts de ru\u00eddo rosa cont\u00ednuo, 1000 Watts de pot\u00eancia de programa cont\u00ednua<\/li>\n
  • Resposta utiliz\u00e1vel at\u00e9 26 Hz (-10 dB), plana at\u00e9 34 Hz \u200b\u200b(-3 dB) com equalizador externo<\/li>\n
  • Bobinas duplas em paralelo, driver de resfriamento ventilado
    \n\u2013 Alta sensibilidade
    \n\u2013 Baixa compress\u00e3o de pot\u00eancia
    \n\u2013 Alta capacidade de SPL m\u00e1ximo
    \n\u2013 Baixa distor\u00e7\u00e3o harm\u00f4nica de 2\u00aa e 3\u00aa
    \n\u2013 Capacidade de longa excurs\u00e3o<\/li>\n<\/ul>\n","protected":false},"featured_media":1521,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[57],"product_tag":[160,92,168],"class_list":{"0":"post-1520","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-caixas-subwoofer","7":"product_tag-caixa-subwoofer","8":"product_tag-caixas-cinema","9":"product_tag-jbl-4181","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\/1520","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=1520"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/media\/1521"}],"wp:attachment":[{"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/media?parent=1520"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/product_brand?post=1520"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/product_cat?post=1520"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/centauro-cinema.com.br\/2018\/wp-json\/wp\/v2\/product_tag?post=1520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}