{"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":"aimants-annulaires-alnico-5-de-grande-taille-d250-x-d190-x-150-mm-pour-haut-parleurs","status":"publish","type":"product","link":"https:\/\/hsmagnet.com\/fr\/product\/alnico-5-large-ring-magnets-d250xd190x150mm-loudspeaker-magnets\/","title":{"rendered":"Aimants annulaires AlNiCo 5 de grande taille (D250 x P190 x 150 mm) pour haut-parleurs"},"content":{"rendered":"<p>Optimisez vos applications audio et industrielles gr\u00e2ce \u00e0 nos grands aimants annulaires Alnico 5 de haute qualit\u00e9, sp\u00e9cialement con\u00e7us pour des performances sup\u00e9rieures dans les haut-parleurs et au-del\u00e0. Avec un diam\u00e8tre ext\u00e9rieur impressionnant de 250 mm (D250), un diam\u00e8tre int\u00e9rieur de 190 mm (D190) et une hauteur de 150 mm, ces aimants annulaires offrent une force magn\u00e9tique et une stabilit\u00e9 exceptionnelles, ce qui en fait un choix de choix pour les fabricants des secteurs de l&#039;\u00e9lectronique, de l&#039;automobile et de l&#039;audio.<\/p>\n<p><strong>Principales caract\u00e9ristiques et sp\u00e9cifications<\/strong><\/p>\n<ul>\n<li><strong>Mat\u00e9riel<\/strong>: Alnico 5 (alliage aluminium-nickel-cobalt) \u2013 Connu pour sa r\u00e9manence \u00e9lev\u00e9e (Br jusqu&#039;\u00e0 1,25 T) et sa coercivit\u00e9 (Hc jusqu&#039;\u00e0 60 kA\/m), offrant des propri\u00e9t\u00e9s magn\u00e9tiques fiables dans des environnements exigeants.<\/li>\n<li><strong>Dimensions<\/strong>: Diam\u00e8tre ext\u00e9rieur (OD) : 250 mm | Diam\u00e8tre int\u00e9rieur (ID) : 190 mm | \u00c9paisseur\/Hauteur : 150 mm \u2013 Tailles personnalis\u00e9es disponibles sur demande pour les commandes B2B.<\/li>\n<li><strong>Forme<\/strong>:Anneau (annulaire) \u2013 Id\u00e9al pour les applications n\u00e9cessitant un centre creux, telles que les assemblages de haut-parleurs, les capteurs et les s\u00e9parateurs magn\u00e9tiques.<\/li>\n<li><strong>Propri\u00e9t\u00e9s magn\u00e9tiques<\/strong>: Produit \u00e9nerg\u00e9tique (BHmax) de 4 \u00e0 6 MGOe, avec une excellente stabilit\u00e9 de temp\u00e9rature jusqu&#039;\u00e0 550\u00b0C, surpassant de nombreuses alternatives \u00e0 la ferrite ou au n\u00e9odyme dans les sc\u00e9narios de forte chaleur.<\/li>\n<li><strong>Traitement de surface<\/strong>:Rev\u00eatements optionnels comme le nickel ou l&#039;\u00e9poxy pour une meilleure r\u00e9sistance \u00e0 la corrosion ; options non rev\u00eatues pour une meilleure rentabilit\u00e9.<\/li>\n<li><strong>Tol\u00e9rance<\/strong>: Norme \u00b10,05 mm, garantissant un ajustement pr\u00e9cis dans les cha\u00eenes de montage.<\/li>\n<li><strong>Magn\u00e9tisation<\/strong>:Options axiales ou multipolaires disponibles pour r\u00e9pondre \u00e0 vos besoins sp\u00e9cifiques.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Dimensions : Diam\u00e8tre ext\u00e9rieur 250 mm x Diam\u00e8tre int\u00e9rieur 190 mm x \u00c9paisseur 150 mm<br \/>\nTol\u00e9rance : \u00b1 0,2 mm<br \/>\nMat\u00e9riau : AlNiCo<br \/>\nPropri\u00e9t\u00e9s : Alnico 5 (AlNiCo5)<br \/>\nPeinture\/placage : \/<br \/>\nDirection de magn\u00e9tisation : direction 44,5 mm<br \/>\nTemp\u00e9rature maximale de fonctionnement : 550\u2103<br \/>\nBr: 12 500 Gauss<br \/>\nProduit \u00e9nerg\u00e9tique maximal : 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 v28.5 - 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. 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Contact us for bulk pricing and global shipping.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hsmagnet.com\/fr\/product\/aimants-annulaires-alnico-5-de-grande-taille-d250-x-d190-x-150-mm-pour-haut-parleurs\/\" \/>\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=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\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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