{"id":1756,"date":"2024-07-26T16:04:50","date_gmt":"2024-07-26T08:04:50","guid":{"rendered":"https:\/\/ecmicrophones.com\/?post_type=product&#038;p=1756"},"modified":"2026-09-16T21:49:05","modified_gmt":"2026-09-16T13:49:05","slug":"9-7mm-omnidirectional-microphone-element-for-long-distance-audio-pickup","status":"publish","type":"product","link":"https:\/\/ecmicrophones.com\/it\/9-7mm-omnidirectional-microphone-element-for-long-distance-audio-pickup\/","title":{"rendered":"Capsula microfonica omnidirezionale da 9,7 mm per la videosorveglianza in ambienti interni"},"content":{"rendered":"<h2 class=\"text-start\">Specifiche tecniche<\/h2>\n<p class=\"text-start\">Il <strong>ECM-B9745AL30RC<\/strong> \u00e8 un <strong>Capsula microfonica omnidirezionale da 9,7 \u00d7 4,5 mm<\/strong> progettato per garantire precisione e affidabilit\u00e0 in <strong>sorveglianza interna<\/strong> applicazioni. Con un'elevata sensibilit\u00e0 di <strong>-30dB<\/strong> e un'ampia gamma di frequenze compresa tra <strong>Da 20 Hz a 16 kHz<\/strong>, eccelle nel captare il suono a lunga distanza con una nitidezza eccezionale.<\/p>\n<p class=\"text-start\">Realizzato grazie a una stabile <strong>Nucleo del microfono RF coreano<\/strong>, questa capsula garantisce prestazioni costanti e un rapporto segnale\/rumore pari a <strong>74dB<\/strong>, rendendolo una scelta eccellente per <strong>telecamere di sicurezza per interni<\/strong>, dispositivi di monitoraggio e sorveglianza e microfoni a condensatore.<\/p>\n<h3 class=\"pt-5 text-start\">Circuito di prova standard<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1765\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/standard-test-circuit_ecm-b9745al30rc.jpg\" alt=\"Circuito di test ECM-B9745AL30RC: polarizzazione 2,2k\u03a9, alimentazione 2V, uscita 1\u03bcF\" width=\"750\" height=\"400\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/standard-test-circuit_ecm-b9745al30rc.jpg 750w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/standard-test-circuit_ecm-b9745al30rc-300x160.jpg 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/standard-test-circuit_ecm-b9745al30rc-18x10.jpg 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/standard-test-circuit_ecm-b9745al30rc-600x320.jpg 600w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>Resistenza di polarizzazione da 2,2k\u03a9, alimentazione da 2V CC, condensatore di uscita da 1\u03bcF. Configurazione a frequenza vocale standard.<\/p>\n<h3 class=\"pt-5 text-start\">Risposta in frequenza tipica<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1766\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/typical-frequency-response_ecm-b9745al30rc.jpg\" alt=\"ECM-B9745AL30RC Risposta in frequenza: Piatta con roll-off delle alte frequenze a 5kHz\" width=\"750\" height=\"400\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/typical-frequency-response_ecm-b9745al30rc.jpg 750w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/typical-frequency-response_ecm-b9745al30rc-300x160.jpg 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/typical-frequency-response_ecm-b9745al30rc-18x10.jpg 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/typical-frequency-response_ecm-b9745al30rc-600x320.jpg 600w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>Risposta in frequenza piatta con roll-off ingegnerizzato sopra i 5 kHz.<\/p>\n<h3 class=\"pt-5 text-start\">Dimensioni (unit\u00e0: mm)<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1764\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/appearance-dimension_ecm-b9745al30rc.jpg\" alt=\"ECM-B9745AL30RC Dimensioni: \u03a69,7\u00d74,5mm con rete antipolvere anteriore (involucro sigillato)\" width=\"750\" height=\"400\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/appearance-dimension_ecm-b9745al30rc.jpg 750w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/appearance-dimension_ecm-b9745al30rc-300x160.jpg 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/appearance-dimension_ecm-b9745al30rc-18x10.jpg 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/07\/appearance-dimension_ecm-b9745al30rc-600x320.jpg 600w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>Alloggiamento da 9,7\u00d74,5 mm con rete antipolvere anteriore (design posteriore completamente sigillato).<\/p>\n<p class=\"text-start\">Per un modello impermeabile, consulta il <a href=\"https:\/\/ecmicrophones.com\/it\/9-7mm-omnidirectional-electret-microphone-capsule-for-outdoor-camera\/\">Versione con grado di protezione IP67<\/a>. Per gli elettrocateteri gi\u00e0 collegati, controllare il <a href=\"https:\/\/ecmicrophones.com\/it\/9-7mm-voice-recognition-electret-microphone-insert-with-leads\/\">Versione con piombo da 100 mm<\/a> oppure il <a href=\"https:\/\/ecmicrophones.com\/it\/long-distance-microphone-pickup-9-7mm\/\">Versione con piombo da 15 mm<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"ds-markdown-paragraph\"><strong>Capsula microfonica omnidirezionale da 9,7 \u00d7 4,5 mm<\/strong> con <strong>-30 dB di elevata sensibilit\u00e0<\/strong> per <strong>sorveglianza interna<\/strong>. Nucleo RF core coreano, <strong>SNR di 74 dB<\/strong>, e <strong>20 Hz\u201316 kHz<\/strong> garantiscono una chiara ricezione del suono a lunga distanza. Per un\u2019opzione impermeabile, consulta il <a href=\"https:\/\/ecmicrophones.com\/it\/9-7mm-omnidirectional-electret-microphone-capsule-for-outdoor-camera\/\">Versione con grado di protezione IP67<\/a>. Per gli elettrocateteri gi\u00e0 collegati, controllare il <a href=\"https:\/\/ecmicrophones.com\/it\/9-7mm-voice-recognition-electret-microphone-insert-with-leads\/\">Versione con piombo da 100 mm<\/a> oppure il <a href=\"https:\/\/ecmicrophones.com\/it\/long-distance-microphone-pickup-9-7mm\/\">Versione con piombo da 15 mm<\/a>.<\/p>","protected":false},"featured_media":4395,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[721],"product_cat":[20,16],"product_tag":[282,804,288],"class_list":["post-1756","product","type-product","status-publish","has-post-thumbnail","product_brand-ecmic","product_cat-omnidirectional-microphones","product_cat-electret-microphones","product_tag-9-7mm","product_tag-indoor-surveillance","product_tag-solder-pads","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/it\/wp-json\/wp\/v2\/product\/1756","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecmicrophones.com\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ecmicrophones.com\/it\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/it\/wp-json\/wp\/v2\/comments?post=1756"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/it\/wp-json\/wp\/v2\/media\/4395"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/it\/wp-json\/wp\/v2\/media?parent=1756"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ecmicrophones.com\/it\/wp-json\/wp\/v2\/product_brand?post=1756"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ecmicrophones.com\/it\/wp-json\/wp\/v2\/product_cat?post=1756"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/it\/wp-json\/wp\/v2\/product_tag?post=1756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}