{"id":2224,"date":"2025-02-19T15:19:20","date_gmt":"2025-02-19T07:19:20","guid":{"rendered":"https:\/\/ecmicrophones.com\/?post_type=product&#038;p=2224"},"modified":"2026-09-17T21:16:50","modified_gmt":"2026-09-17T13:16:50","slug":"high-performance-uni-electret-mic-capsule-for-hi-fi-audio-systems","status":"publish","type":"product","link":"https:\/\/ecmicrophones.com\/pt\/high-performance-uni-electret-mic-capsule-for-hi-fi-audio-systems\/","title":{"rendered":"Fone de ouvido para conversas pr\u00f3ximas com microfone eletreto cardi\u00f3ide de alta rela\u00e7\u00e3o sinal-ru\u00eddo (SNR), 10 \u00d7 4,5 mm"},"content":{"rendered":"<h2 class=\"text-start\">Especifica\u00e7\u00f5es t\u00e9cnicas<\/h2>\n<p class=\"text-start\">O <strong>ECM-B1045UML50-25082<\/strong> \u00e9 um <strong>c\u00e1psula de microfone eletrost\u00e1tico unidirecional de alta fidelidade<\/strong> com um <strong>10 \u00d7 4,5 mm<\/strong> design, feito sob medida para <strong>fones de ouvido com microfone para uso no corpo<\/strong> e outros dispositivos de \u00e1udio em que a qualidade da voz \u00e9 fundamental. Com <strong>Sensibilidade de -50 dB<\/strong> e um <strong>Resposta em frequ\u00eancia de 100 Hz a 10 kHz<\/strong>, ele oferece uma captura de voz n\u00edtida e detalhada para aplica\u00e7\u00f5es de comunica\u00e7\u00e3o com a boca pr\u00f3xima ao microfone.<\/p>\n<p class=\"text-start\">O microfone <strong>baixa imped\u00e2ncia (2 k\u03a9)<\/strong> e s\u00f3lido <strong>Rela\u00e7\u00e3o sinal-ru\u00eddo de 65 dB<\/strong> garantem um desempenho de \u00e1udio n\u00edtido e consistente, mesmo em ambientes barulhentos. A alta <strong>SPL m\u00e1ximo de 125 dB<\/strong> torna-o adequado para aplica\u00e7\u00f5es de grande volume, enquanto seu <strong>Tens\u00e3o de opera\u00e7\u00e3o de 2 Vcc<\/strong> garante a compatibilidade com diversos modelos de fones de ouvido e equipamentos de \u00e1udio.<\/p>\n<p class=\"text-start\">Essa c\u00e1psula de microfone \u00e9 ideal para <strong>fones de ouvido com microfone para uso no corpo<\/strong>, fones de ouvido profissionais para comunica\u00e7\u00e3o e qualquer aplica\u00e7\u00e3o em que a reprodu\u00e7\u00e3o n\u00edtida e detalhada da voz em campo pr\u00f3ximo seja fundamental.<\/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-2228\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/standard-test-circuit_ecm-b1045uml50-25082.png\" alt=\"Circuito de teste ECM-B1045UML50: polariza\u00e7\u00e3o de 15k\u03a9, alimenta\u00e7\u00e3o de 2V, sa\u00edda de 1\u03bcF\" width=\"569\" height=\"216\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/standard-test-circuit_ecm-b1045uml50-25082.png 569w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/standard-test-circuit_ecm-b1045uml50-25082-300x114.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/standard-test-circuit_ecm-b1045uml50-25082-18x7.png 18w\" sizes=\"auto, (max-width: 569px) 100vw, 569px\" \/><\/p>\n<p>Resistor de polariza\u00e7\u00e3o de 15k\u03a9, alimenta\u00e7\u00e3o de 2V CC, capacitor de sa\u00edda de 1\u03bcF. Configura\u00e7\u00e3o de microfone de alta imped\u00e2ncia.<\/p>\n<h3 class=\"pt-5 text-start\">Resposta de frequ\u00eancia t\u00edpica<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2227\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/typical-frequency-response_ecm-b1045uml50-25082.png\" alt=\"Resposta de frequ\u00eancia ECM-B1045UML50: 100Hz-2kHz de queda, 2k-10kHz de aumento, depois atenua\u00e7\u00e3o\" width=\"508\" height=\"317\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/typical-frequency-response_ecm-b1045uml50-25082.png 508w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/typical-frequency-response_ecm-b1045uml50-25082-300x187.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/typical-frequency-response_ecm-b1045uml50-25082-18x12.png 18w\" sizes=\"auto, (max-width: 508px) 100vw, 508px\" \/><\/p>\n<p>A resposta em frequ\u00eancia apresenta atenua\u00e7\u00e3o na faixa de 100 Hz a 2 kHz, com \u00eanfase na faixa de 2 kHz a 10 kHz e atenua\u00e7\u00e3o nas frequ\u00eancias mais altas, o que contribui para proporcionar uma inteligibilidade clara da fala no uso de fones de ouvido em conversas a curta dist\u00e2ncia.<\/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-2226\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/appearance-dimension_ecm-b1045uml50-25082.png\" alt=\"ECM-B1045UML50 Dimens\u00f5es: \u03a610\u00d74,5 mm com malha de poeira frontal e entrada de som traseira\" width=\"505\" height=\"326\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/appearance-dimension_ecm-b1045uml50-25082.png 505w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/appearance-dimension_ecm-b1045uml50-25082-300x194.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/02\/appearance-dimension_ecm-b1045uml50-25082-18x12.png 18w\" sizes=\"auto, (max-width: 505px) 100vw, 505px\" \/><\/p>\n<p>Caixa compacta de \u03a610\u00d74,5 mm com design ac\u00fastico de porta dupla.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"ds-markdown-paragraph\"><strong>C\u00e1psula de microfone eletrost\u00e1tico unidirecional de 10 \u00d7 4,5 mm<\/strong> para <strong>fones de ouvido com microfone para uso no corpo<\/strong>. Ofertas <strong>Sensibilidade de -50 dB<\/strong>, <strong>SNR de 65 dB<\/strong>e <strong>SPL m\u00e1ximo de 125 dB<\/strong> para uma capta\u00e7\u00e3o de voz n\u00edtida e est\u00e1vel em ambientes barulhentos e com alto volume.<\/p>","protected":false},"featured_media":4385,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[721],"product_cat":[21,16],"product_tag":[281,800,288],"class_list":["post-2224","product","type-product","status-publish","has-post-thumbnail","product_brand-ecmic","product_cat-unidirectional-microphones","product_cat-electret-microphones","product_tag-10mm","product_tag-close-talk-headset","product_tag-solder-pads","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product\/2224","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=2224"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/media\/4385"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/media?parent=2224"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2224"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2224"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}