{"id":244,"date":"2015-01-16T04:23:25","date_gmt":"2015-01-15T19:23:25","guid":{"rendered":"http:\/\/www.onsoku.co.jp\/us\/?page_id=244"},"modified":"2022-02-01T16:29:49","modified_gmt":"2022-02-01T07:29:49","slug":"opc-288","status":"publish","type":"page","link":"http:\/\/www.onsoku.co.jp\/us\/product\/polarity\/opc-288\/","title":{"rendered":"OPC-288 Speaker Polarity Checkers"},"content":{"rendered":"<p><a href=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OPC-288.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1145\" src=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OPC-288-300x167.jpg\" alt=\"\" width=\"300\" height=\"167\" srcset=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OPC-288-300x167.jpg 300w, http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OPC-288.jpg 737w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h2>Product Summary<\/h2>\n<p style=\"padding-left: 30px;\">This unit checks the polarity of loudspeaker units and makes judgment.<br \/>\nThe result of a check is shown with a +\/- LED indicator within approximately 0.1 seconds.<br \/>\nWhen the buzzer switch is set to on, a buzzer sounds if a reversed polarity is detected.<br \/>\nAn external signal can be inputted when the selector switch is set so.<\/p>\n<h2>Product specifications<\/h2>\n<p style=\"padding-left: 30px;\">Polarity: + (green) \u2212 (red)<br \/>\nPolarity Checking Microphone:<br \/>\nAP-1291 (Accessory)<\/p>\n<p><a href=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OPC-288_en.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-98\" src=\"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/cg143.jpg\" alt=\"Product Specifations PDF Downlod\" width=\"195\" height=\"28\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Product Summary This unit checks the polarity of loudspeaker units and makes judgment. The result of a check is shown with a +\/- LED indicator within approximately 0.1 seconds. When the buzzer switch is set to on, a buzzer sounds if a reversed polarity is detected. An external signal can be inputted when the selector [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":451,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-244","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>OPC-288 Speaker Polarity Checkers - 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\/polarity\/opc-288\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OPC-288 Speaker Polarity Checkers - Onsoku Web Site English\" \/>\n<meta property=\"og:description\" content=\"Product Summary This unit checks the polarity of loudspeaker units and makes judgment. The result of a check is shown with a +\/- LED indicator within approximately 0.1 seconds. When the buzzer switch is set to on, a buzzer sounds if a reversed polarity is detected. 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