{"id":12335,"date":"2025-08-13T02:44:00","date_gmt":"2025-08-13T02:44:00","guid":{"rendered":"https:\/\/dev.hsmagnet.com\/product\/alnico-5-large-ring-magnets-d250xd190x150mm-loudspeaker-magnets\/"},"modified":"2025-10-09T06:26:03","modified_gmt":"2025-10-09T06:26:03","slug":"imas-de-alto-falante-alnico-5-grandes-d250xd190x150mm","status":"publish","type":"product","link":"https:\/\/hsmagnet.com\/pt\/product\/alnico-5-large-ring-magnets-d250xd190x150mm-loudspeaker-magnets\/","title":{"rendered":"\u00cdm\u00e3s de anel grande AlNiCo 5 D250xd190x150mm para alto-falantes"},"content":{"rendered":"<p>Eleve suas aplica\u00e7\u00f5es de \u00e1udio e industriais com nossos \u00edm\u00e3s de anel grande de Alnico 5 de alta qualidade, projetados especificamente para desempenho superior em alto-falantes e muito mais. Medindo um impressionante di\u00e2metro externo de 250 mm (D250), di\u00e2metro interno de 190 mm (D190) e altura de 150 mm, esses \u00edm\u00e3s em formato de anel oferecem for\u00e7a magn\u00e9tica e estabilidade excepcionais, tornando-os a melhor escolha para fabricantes dos setores de eletr\u00f4nicos, automotivo e \u00e1udio.<\/p>\n<p><strong>Principais caracter\u00edsticas e especifica\u00e7\u00f5es<\/strong><\/p>\n<ul>\n<li><strong>Material<\/strong>: Alnico 5 (liga de alum\u00ednio-n\u00edquel-cobalto) \u2013 Conhecido por sua alta reman\u00eancia (Br at\u00e9 1,25 T) e coercividade (Hc at\u00e9 60 kA\/m), fornecendo propriedades magn\u00e9ticas confi\u00e1veis em ambientes exigentes.<\/li>\n<li><strong>Dimens\u00f5es<\/strong>: Di\u00e2metro externo (DE): 250 mm | Di\u00e2metro interno (DI): 190 mm | Espessura\/Altura: 150 mm \u2013 Tamanhos personalizados dispon\u00edveis mediante solicita\u00e7\u00e3o para pedidos B2B.<\/li>\n<li><strong>Forma<\/strong>: Anel (Anular) \u2013 Ideal para aplica\u00e7\u00f5es que exigem um centro oco, como conjuntos de alto-falantes, sensores e separadores magn\u00e9ticos.<\/li>\n<li><strong>Propriedades magn\u00e9ticas<\/strong>: Produto energ\u00e9tico (BHmax) de 4-6 MGOe, com excelente estabilidade de temperatura de at\u00e9 550\u00b0C, superando muitas alternativas de ferrite ou neod\u00edmio em cen\u00e1rios de alto calor.<\/li>\n<li><strong>Tratamento de superf\u00edcie<\/strong>: Revestimentos opcionais como n\u00edquel ou ep\u00f3xi para maior resist\u00eancia \u00e0 corros\u00e3o; op\u00e7\u00f5es sem revestimento para melhor custo-benef\u00edcio.<\/li>\n<li><strong>Toler\u00e2ncia<\/strong>: \u00b10,05 mm padr\u00e3o, garantindo ajuste de precis\u00e3o em linhas de montagem.<\/li>\n<li><strong>Magnetiza\u00e7\u00e3o<\/strong>: Op\u00e7\u00f5es axiais ou multipolares dispon\u00edveis para atender \u00e0s suas necessidades espec\u00edficas.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Dimens\u00f5es: Di\u00e2metro externo 250 mm x Di\u00e2metro interno 190 mm x Espessura 150 mm<br \/>\nToler\u00e2ncia: \u00b1 0,2 mm<br \/>\nMaterial: AlNiCo<br \/>\nPropriedades: Alnico 5 (AlNiCo5)<br \/>\nPintura\/revestimento: \/<br \/>\nDire\u00e7\u00e3o de magnetiza\u00e7\u00e3o: dire\u00e7\u00e3o de 44,5 mm<br \/>\nTemperatura m\u00e1xima de trabalho: 550\u2103<br \/>\nBr: 12.500 Gauss<br \/>\nProduto energ\u00e9tico m\u00e1ximo: 5,5 MGOe<\/p>","protected":false},"featured_media":14099,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_eb_attr":""},"product_brand":[],"product_cat":[17],"product_tag":[],"class_list":["post-12335","product","type-product","status-publish","has-post-thumbnail","product_cat-alnico-magnet","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Alnico 5 Large Ring Magnets D250xD190x150mm | High-Performance Loudspeaker Magnets for Industrial Use<\/title>\n<meta name=\"description\" content=\"Premium Alnico 5 ring magnets (D250 x D190 x 150mm) designed for loudspeakers and high-temperature applications. Offering excellent coercivity, corrosion resistance, and customizable options for B2B buyers. Contact us for bulk pricing and global shipping.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hsmagnet.com\/pt\/product\/imas-de-alto-falante-alnico-5-grandes-d250xd190x150mm\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alnico 5 Large Ring Magnets D250xD190x150mm | High-Performance Loudspeaker Magnets for Industrial Use\" \/>\n<meta property=\"og:description\" content=\"Premium Alnico 5 ring magnets (D250 x D190 x 150mm) designed for loudspeakers and high-temperature applications. Offering excellent coercivity, corrosion resistance, and customizable options for B2B buyers. Contact us for bulk pricing and global shipping.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hsmagnet.com\/pt\/product\/imas-de-alto-falante-alnico-5-grandes-d250xd190x150mm\/\" \/>\n<meta property=\"og:site_name\" content=\"Hangzhou HS Magnet Co.,Ltd.\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-09T06:26:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/Alnico5-D250xd190x1502.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"2160\" \/>\n\t<meta property=\"og:image:height\" content=\"2160\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/product\\\/alnico-5-large-ring-magnets-d250xd190x150mm-loudspeaker-magnets\\\/\",\"url\":\"https:\\\/\\\/hsmagnet.com\\\/product\\\/alnico-5-large-ring-magnets-d250xd190x150mm-loudspeaker-magnets\\\/\",\"name\":\"Alnico 5 Large Ring Magnets D250xD190x150mm | High-Performance Loudspeaker Magnets for Industrial Use\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/product\\\/alnico-5-large-ring-magnets-d250xd190x150mm-loudspeaker-magnets\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/product\\\/alnico-5-large-ring-magnets-d250xd190x150mm-loudspeaker-magnets\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hsmagnet.com\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/Alnico5-D250xd190x1502.webp\",\"datePublished\":\"2025-08-13T02:44:00+00:00\",\"dateModified\":\"2025-10-09T06:26:03+00:00\",\"description\":\"Premium Alnico 5 ring magnets (D250 x D190 x 150mm) designed for loudspeakers and high-temperature applications. 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