{"id":315,"date":"2015-01-16T05:27:57","date_gmt":"2015-01-15T20:27:57","guid":{"rendered":"http:\/\/www.onsoku.co.jp\/us\/?page_id=315"},"modified":"2020-10-22T17:03:25","modified_gmt":"2020-10-22T08:03:25","slug":"ost-828","status":"publish","type":"page","link":"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/","title":{"rendered":"OST-828 Fo&amp;Ze measuring instrument"},"content":{"rendered":"<p><a href=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OST-828.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1127\" src=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OST-828-300x167.jpg\" alt=\"\" width=\"300\" height=\"167\" srcset=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OST-828-300x167.jpg 300w, http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OST-828.jpg 737w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h2>Product Summary<\/h2>\n<p style=\"padding-left: 30px;\">Model OST-828 can measurement lowest resonant frequency(Fo) and impedance(Ze) of the speaker by the constant voltage anodizing. This model collects the statistics with plural measurements and calculates and does the standard judgment.<br \/>\nAll the measurement data can save it, furthermore, this model calculates the value of Q(Electrical Q of driver, Mechanical Q of driver, Total Q of driver).<\/p>\n<h2>Product specifications<\/h2>\n<p style=\"padding-left: 30px;\">Fo measurement range : 15Hz to 10kHz(impedance range : 0.9\u03a9 to 254\u03a9)<br \/>\nZe measurement range : 1\u03a9 to 100\u03a9(at 50Hz to 10kHz 1point)<br \/>\nMeasurement time : Fo about 3sec Ze about 1sec<br \/>\nQ measurement : Electrical Q of driver, Mechanical Q of driver, Total Q of driver<\/p>\n<p><a href=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/OST-828_en.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-610 size-full\" src=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/cg143.jpg\" alt=\"\" width=\"195\" height=\"28\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Product Summary Model OST-828 can measurement lowest resonant frequency(Fo) and impedance(Ze) of the speaker by the constant voltage anodizing. This model collects the statistics with plural measurements and calculates and does the standard judgment. All the measurement data can save it, furthermore, this model calculates the value of Q(Electrical Q of driver, Mechanical Q of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":449,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-315","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>OST-828 Fo&amp;Ze measuring instrument - Onsoku Web Site English<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OST-828 Fo&amp;Ze measuring instrument - Onsoku Web Site English\" \/>\n<meta property=\"og:description\" content=\"Product Summary Model OST-828 can measurement lowest resonant frequency(Fo) and impedance(Ze) of the speaker by the constant voltage anodizing. This model collects the statistics with plural measurements and calculates and does the standard judgment. All the measurement data can save it, furthermore, this model calculates the value of Q(Electrical Q of driver, Mechanical Q of [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/\" \/>\n<meta property=\"og:site_name\" content=\"Onsoku Web Site English\" \/>\n<meta property=\"article:modified_time\" content=\"2020-10-22T08:03:25+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OST-828-300x167.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/\",\"url\":\"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/\",\"name\":\"OST-828 Fo&amp;Ze measuring instrument - Onsoku Web Site English\",\"isPartOf\":{\"@id\":\"http:\/\/www.onsoku.co.jp\/us\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/#primaryimage\"},\"image\":{\"@id\":\"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OST-828-300x167.jpg\",\"datePublished\":\"2015-01-15T20:27:57+00:00\",\"dateModified\":\"2020-10-22T08:03:25+00:00\",\"breadcrumb\":{\"@id\":\"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/#primaryimage\",\"url\":\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OST-828.jpg\",\"contentUrl\":\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OST-828.jpg\",\"width\":737,\"height\":411},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u30db\u30fc\u30e0\",\"item\":\"http:\/\/www.onsoku.co.jp\/us\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Product\",\"item\":\"http:\/\/www.onsoku.co.jp\/us\/product\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Speaker F0 &amp; Ze \/ Paper cone Fo meter\",\"item\":\"https:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"OST-828 Fo&amp;Ze measuring instrument\"}]},{\"@type\":\"WebSite\",\"@id\":\"http:\/\/www.onsoku.co.jp\/us\/#website\",\"url\":\"http:\/\/www.onsoku.co.jp\/us\/\",\"name\":\"Onsoku Web Site English\",\"description\":\"Onsoku is making acoustic measuring instruments.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/www.onsoku.co.jp\/us\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"OST-828 Fo&amp;Ze measuring instrument - Onsoku Web Site English","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/ost-828\/","og_locale":"en_US","og_type":"article","og_title":"OST-828 Fo&amp;Ze measuring instrument - Onsoku Web Site English","og_description":"Product Summary Model OST-828 can measurement lowest resonant frequency(Fo) and impedance(Ze) of the speaker by the constant voltage anodizing. 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