{"id":564,"date":"2024-05-10T09:23:45","date_gmt":"2024-05-10T09:23:45","guid":{"rendered":"https:\/\/ecmicrophones.com\/?post_type=product&#038;p=564"},"modified":"2026-03-19T15:38:56","modified_gmt":"2026-03-19T07:38:56","slug":"9-7mm-unidirectional-electret-microphone-insert-for-motorcycle-helmet","status":"publish","type":"product","link":"https:\/\/ecmicrophones.com\/pt\/9-7mm-unidirectional-electret-microphone-insert-for-motorcycle-helmet\/","title":{"rendered":"Inser\u00e7\u00e3o de microfone de eletreto unidirecional de 9,7 mm para capacete de motocicleta"},"content":{"rendered":"<h2 class=\"text-start\">Especifica\u00e7\u00f5es t\u00e9cnicas<\/h2>\n<p class=\"text-start\">Projetado com capacidade de cancelamento de ru\u00eddo, nosso cabe\u00e7ote de microfone 9790 apresenta um design unidirecional e emprega componentes JFET da Panasonic. Sua concha perfurada minimiza efetivamente o ru\u00eddo do vento, enquanto o n\u00facleo do microfone direcional em forma de cora\u00e7\u00e3o reduz o ru\u00eddo ambiente para captura de \u00e1udio cristalino.<\/p>\n<h3 class=\"pt-5 text-start\">Circuito de teste padr\u00e3o<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-567\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/standard-test-circuit_ecm-em212u.png\" alt=\"Circuito de teste padr\u00e3o\" width=\"537\" height=\"239\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/standard-test-circuit_ecm-em212u.png 537w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/standard-test-circuit_ecm-em212u-300x134.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/standard-test-circuit_ecm-em212u-18x8.png 18w\" sizes=\"auto, (max-width: 537px) 100vw, 537px\" \/><\/p>\n<p>Circuito de teste com RL=2,2K\u03a9, VS=2V e C=1\u03bcF.<\/p>\n<h3 class=\"pt-5 text-start\">Resposta de frequ\u00eancia t\u00edpica<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-568 size-large\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-em212u-1024x443.png\" alt=\"Resposta de frequ\u00eancia t\u00edpica\" width=\"1024\" height=\"443\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-em212u-1024x443.png 1024w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-em212u-300x130.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-em212u-768x332.png 768w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-em212u-1536x665.png 1536w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-em212u-18x8.png 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-em212u-600x260.png 600w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-em212u.png 1821w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>A resposta de frequ\u00eancia aumenta constantemente a partir de 100 Hz at\u00e9 um pico em 7 kHz e, em seguida, diminui gradualmente at\u00e9 16 kHz.<\/p>\n<h3 class=\"pt-5 text-start\">Dimens\u00f5es (UNIDADE: mm)<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-569\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-em212u.png\" alt=\"Dimens\u00e3o da apar\u00eancia\" width=\"440\" height=\"372\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-em212u.png 440w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-em212u-300x254.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-em212u-14x12.png 14w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><\/p>\n<p>A c\u00e1psula do microfone mede 9,7 mm de di\u00e2metro e 9 mm de altura, com uma malha frontal contra poeira e sem aberturas ac\u00fasticas traseiras.<\/p>","protected":false},"excerpt":{"rendered":"<p>O ECM-EM212U-45 \u00e9 uma c\u00e1psula de microfone unidirecional compacta de 9,7 \u00d7 9 mm projetada para uso em capacetes de motocicleta. Com uma sensibilidade de -45dB\u00b12 e uma rela\u00e7\u00e3o sinal-ru\u00eddo de 62dB, ele captura efetivamente \u00e1udio claro enquanto minimiza o ru\u00eddo de fundo.<\/p>","protected":false},"featured_media":2784,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[721],"product_cat":[21,16],"product_tag":[282,229,288],"class_list":{"0":"post-564","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-ecmic","7":"product_cat-unidirectional-microphones","8":"product_cat-electret-microphones","9":"product_tag-9-7mm","10":"product_tag-equipment","11":"product_tag-solder-pads","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product\/564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/comments?post=564"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/media\/2784"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/media?parent=564"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_brand?post=564"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_cat?post=564"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_tag?post=564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}