{"id":3302,"date":"2025-08-19T15:04:46","date_gmt":"2025-08-19T07:04:46","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=3302"},"modified":"2026-01-27T16:21:22","modified_gmt":"2026-01-27T08:21:22","slug":"unidirectional-electret-mic-capsule-for-acoustic-instruments","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ja\/unidirectional-electret-mic-capsule-for-acoustic-instruments\/","title":{"rendered":"\u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u697d\u5668\u7528\u5358\u4e00\u6307\u5411\u6027\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30fb\u30ab\u30d7\u30bb\u30eb"},"content":{"rendered":"
\n
\"\u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u697d\u5668\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u305f\u3081\u306b\u30f4\u30a1\u30a4\u30aa\u30ea\u30f3\u3092\u6349\u3048\u308b\u5358\u4e00\u6307\u5411\u6027\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30ed\u30db\u30f3\"
\u5358\u4e00\u6307\u5411\u6027\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30ed\u30db\u30f3\u3067\u30f4\u30a1\u30a4\u30aa\u30ea\u30f3\u3092\u30af\u30ed\u30fc\u30ba\u30fb\u30de\u30a4\u30ad\u30f3\u30b0\u3057\u3001\u30af\u30ea\u30a2\u306a\u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u30fb\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u5b9f\u73fe\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n

\u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u697d\u5668\u3092\u6b63\u78ba\u306b\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u3059\u308b\u306b\u306f\u3001\u5b89\u5b9a\u3057\u305f\u5468\u6ce2\u6570\u7279\u6027\u3068\u5236\u5fa1\u3055\u308c\u305f\u6307\u5411\u7279\u6027\u3092\u63d0\u4f9b\u3059\u308b\u30de\u30a4\u30af\u30ed\u30db\u30f3\u304c\u5fc5\u8981\u3067\u3059\u3002ECM-B9750UL45-201\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30fb\u30a8\u30ec\u30e1\u30f3\u30c8\u306f\u3001\u3053\u308c\u3089\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u30b9\u30bf\u30b8\u30aa\u30fb\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u30e9\u30a4\u30d6\u30fb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30dd\u30fc\u30bf\u30d6\u30eb\u30fb\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306b\u304a\u3044\u3066\u3001\u5b89\u5b9a\u3057\u305f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u307e\u305f\u30019.7\u00d75mm\u3068\u3044\u3046\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30b5\u30a4\u30ba\u306b\u3088\u308a\u3001\u6f14\u594f\u306e\u90aa\u9b54\u306b\u306a\u3063\u305f\u308a\u3001\u9332\u97f3\u97f3\u8cea\u3092\u640d\u306a\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u697d\u5668\u306e\u8fd1\u304f\u306b\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

ECM-B9750UL45-201\u306f\u3001\u30a2\u30f3\u30d3\u30a8\u30f3\u30c8\u30fb\u30ce\u30a4\u30ba\u3001\u5ba4\u5185\u53cd\u5c04\u97f3\u3001\u8fd1\u96a3\u306e\u697d\u5668\u304b\u3089\u306e\u97f3\u6f0f\u308c\u306a\u3069\u3001\u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u30fb\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u73fe\u5b9f\u7684\u306a\u8ab2\u984c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3001\u30d0\u30e9\u30f3\u30b9\u306e\u3068\u308c\u305f\u5468\u6ce2\u6570\u7279\u6027\u3068\u5358\u4e00\u6307\u5411\u6027\u8a2d\u8a08\u3092\u63a1\u7528\u3057\u3001\u697d\u5668\u306e\u81ea\u7136\u306a\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\u3092\u4fdd\u3061\u306a\u304c\u3089\u5e72\u6e09\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002ECM-B9750UL45-201\u306e\u5168\u4ed5\u69d8\u3092\u898b\u308b \u30d0\u30a4\u30aa\u30ea\u30f3\u7528\u5358\u4e00\u6307\u5411\u6027\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30ed\u30d5\u30a9\u30f3<\/a>.<\/p>\n\n\n\n

\u5468\u6ce2\u6570\u7279\u6027\u3068\u97f3\u97ff\u7279\u6027<\/h2>\n\n\n
\n
\"\u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u697d\u5668\u7528\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30de\u30a4\u30af\u30ed\u30db\u30f3\u7d20\u5b50ECM-B9750UL45-201\u306e\u4ee3\u8868\u7684\u306a\u5468\u6ce2\u6570\u7279\u6027\"
ECM-B9750UL45-201\u306e\u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u697d\u5668\u9332\u97f3\u306b\u304a\u3051\u308b\u4ee3\u8868\u7684\u306a\u5468\u6ce2\u6570\u7279\u6027\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n

100 Hz\u304b\u308916 kHz\u306e\u5468\u6ce2\u6570\u7bc4\u56f2\u306b\u304a\u3044\u3066\u3001\u3053\u306e\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306f\u30b9\u30e0\u30fc\u30ba\u3067\u5747\u4e00\u306a\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u4f4e\u97f3\u57df\u306f\u5b89\u5b9a\u3057\u3066\u304a\u308a\u3001\u30d6\u30fc\u30df\u30fc\u3055\u3084\u6fc1\u308a\u3092\u6291\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u30d0\u30a4\u30aa\u30ea\u30f3\u3001\u30d3\u30aa\u30e9\u3001\u30c1\u30a7\u30ed\u306a\u3069\u306e\u5c0f\u578b\u5f26\u697d\u5668\u306b\u7279\u306b\u6709\u52b9\u3067\u3059\u3002\u4e2d\u97f3\u57df\u306f\u81ea\u7136\u3067\u660e\u77ad\u3067\u3001\u697d\u5668\u306e\u82af\u306e\u3042\u308b\u97f3\u8272\u3092\u6b63\u78ba\u306b\u518d\u73fe\u3057\u307e\u3059\u3002\u9ad8\u97f3\u57df\u306f\u7de9\u3084\u304b\u306b\u6301\u3061\u4e0a\u304c\u308a\u3001\u500d\u97f3\u3084\u5fae\u5999\u306a\u500d\u97f3\u306e\u30c7\u30a3\u30c6\u30fc\u30eb\u3092\u6349\u3048\u3001\u9332\u97f3\u306e\u660e\u308b\u3055\u3068\u660e\u77ad\u5ea6\u3092\u9ad8\u3081\u307e\u3059\u3002\u5168\u4f53\u3068\u3057\u3066\u3001\u3053\u306e\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306f\u697d\u5668\u306e\u81ea\u7136\u306a\u97f3\u8272\u3092\u5fe0\u5b9f\u306b\u8868\u73fe\u3059\u308b\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u30b5\u30a6\u30f3\u30c9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u6307\u5411\u7279\u6027\u3068\u30ce\u30a4\u30ba\u9664\u53bb<\/h2>\n\n\n\n

\u6307\u5411\u7279\u6027\u3082\u307e\u305f\u3001\u30af\u30ea\u30a2\u306a\u97f3\u58f0\u3092\u6349\u3048\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u5358\u4e00\u6307\u5411\u6027\uff08\u30ab\u30fc\u30c7\u30a3\u30aa\u30a4\u30c9\uff09\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u5074\u9762\u3084\u80cc\u9762\u304b\u3089\u306e\u97f3\u3092\u5927\u5e45\u306b\u4f4e\u6e1b\u3057\u3001\u4ed6\u306e\u697d\u5668\u3084\u74b0\u5883\u306e\u53cd\u5c04\u306b\u3088\u308b\u5e72\u6e09\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u307e\u305f\u3001\u7279\u5b9a\u306e\u5468\u6ce2\u6570\u5e2f\u57df\u3067\u82e5\u5e72\u306e\u6e1b\u8870\u3092\u52a0\u3048\u308b\u3053\u3068\u3067\u3001\u8ef8\u5916\u306e\u97f3\u3092\u3055\u3089\u306b\u6291\u5236\u3057\u3001\u30a2\u30f3\u30b5\u30f3\u30d6\u30eb\u3084\u8907\u6570\u697d\u5668\u306e\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u7279\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u3055\u308c\u305f\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u30fb\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u308a\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u3084\u30df\u30e5\u30fc\u30b8\u30b7\u30e3\u30f3\u306f\u3001\u4e0d\u8981\u306a\u30ce\u30a4\u30ba\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u306a\u304c\u3089\u3001\u76ee\u7684\u306e\u697d\u5668\u3092\u3088\u308a\u6b63\u78ba\u306b\u6349\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u697d\u5668\u9332\u97f3\u3078\u306e\u5fdc\u7528<\/h2>\n\n\n\n

ECM-B9750UL45-201\u306f\u3001\u5c0f\u578b\u306e\u5f26\u697d\u5668\u3001\u6728\u7ba1\u697d\u5668\u3001\u8efd\u3044\u6253\u697d\u5668\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u697d\u5668\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30c7\u30b6\u30a4\u30f3\u3067\u697d\u5668\u306e\u8fd1\u304f\u306b\u8a2d\u7f6e\u3067\u304d\u308b\u305f\u3081\u3001\u6f14\u594f\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u306a\u304f\u8a73\u7d30\u306a\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u304c\u53ef\u80fd\u3067\u3059\u3002\u307e\u305f\u3001\u30b9\u30da\u30fc\u30b9\u304c\u9650\u3089\u308c\u305f\u30dd\u30fc\u30bf\u30d6\u30eb\u30fb\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3084\u30af\u30ed\u30fc\u30ba\u30fb\u30de\u30a4\u30ad\u30f3\u30b0\u30fb\u30b7\u30fc\u30f3\u306b\u3082\u6700\u9069\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u74b0\u5883\u3067\u4e00\u8cab\u3057\u305f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b5\u30a6\u30f3\u30c9\u3092\u518d\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u6280\u8853\u4ed5\u69d8<\/h2>\n\n\n\n
\u30e2\u30c7\u30eb<\/th>ECM-B9750UL45-201<\/td><\/tr>
\u5bf8\u6cd5<\/th>9.7 \u00d7 5mm<\/td><\/tr>
\u6307\u5411\u6027<\/th>\u5358\u4e00\u6307\u5411\u6027\uff08\u5358\u4e00\u6307\u5411\u6027\uff09<\/td><\/tr>
\u611f\u5ea6<\/th>-45dB \u00b11<\/td><\/tr>
\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/th>2.2K\u03a9<\/td><\/tr>
S\/N\u6bd4<\/th>58 dB<\/td><\/tr>
\u6700\u5927SPL<\/th>110 dB<\/td><\/tr>
\u52d5\u4f5c\u96fb\u5727<\/th>2 Vdc<\/td><\/tr>
\u5468\u6ce2\u6570\u5fdc\u7b54<\/th>100 Hz - 16 kHz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u8981\u7d04\u3059\u308b\u3068\u3001ECM-B9750UL45-201\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30a8\u30ec\u30e1\u30f3\u30c8\u306f\u3001\u30b9\u30e0\u30fc\u30ba\u3067\u30d0\u30e9\u30f3\u30b9\u306e\u3068\u308c\u305f\u5468\u6ce2\u6570\u7279\u6027\u3068\u5236\u5fa1\u3055\u308c\u305f\u6307\u5411\u6027\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u517c\u306d\u5099\u3048\u3066\u304a\u308a\u3001\u5e45\u5e83\u3044\u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u697d\u5668\u3092\u6b63\u78ba\u306b\u53ce\u97f3\u3059\u308b\u306e\u306b\u7406\u60f3\u7684\u3067\u3059\u3002\u305d\u306e\u30c7\u30b6\u30a4\u30f3\u306f\u5e72\u6e09\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u697d\u5668\u306e\u81ea\u7136\u306a\u97f3\u8272\u306e\u7279\u5fb4\u3092\u7dad\u6301\u3057\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u30b9\u30bf\u30b8\u30aa\u3084\u30dd\u30fc\u30bf\u30d6\u30eb\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u74b0\u5883\u3067\u306e\u67d4\u8edf\u306a\u914d\u7f6e\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306f\u3001\u69d8\u3005\u306a\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u74b0\u5883\u306b\u304a\u3044\u3066\u3001\u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u697d\u5668\u306e\u81ea\u7136\u306a\u97f3\u8272\u3068\u30c7\u30a3\u30c6\u30fc\u30eb\u3092\u78ba\u5b9f\u306b\u6349\u3048\u307e\u3059\u3002<\/p>\n\n\n\n

\n

ECM-B9750UL45-201\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30ed\u30db\u30f3\u3092\u697d\u5668\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30fb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u4f7f\u7528\u3059\u308b\u969b\u306e\u9078\u629e\u3001\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u8cea\u554f\u304c\u3042\u308a\u307e\u3057\u305f\u3089\u3001\u304a\u6c17\u8efd\u306b\u5f0a\u793e\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/blockquote>","protected":false},"excerpt":{"rendered":"

Capturing acoustic instruments accurately requires microphones that offer a stable frequency response and controlled directional characteristics. The ECM-B9750UL45-201 electret microphone element is designed to meet these requirements, providing consistent and reliable performance for studio recordings, live performances, and portable setups. Its compact size of 9.7 \u00d7 5 mm allows for close placement to instruments without obstructing the performance or interfering with recording quality. To address the real-world challenges of acoustic recording, such as ambient noise, room reflections, and spill from nearby instruments, the ECM-B9750UL45-201 features a balanced frequency response and unidirectional design to reduce interference while preserving the instrument\u2019s natural character. Discover full specifications of the unidirectional electret microphone for […]<\/p>\n","protected":false},"author":1,"featured_media":3307,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[400],"tags":[534,521,517],"class_list":["post-3302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-guides","tag-instrument-pickup","tag-o9-7mm","tag-unidirectional"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/3302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/comments?post=3302"}],"version-history":[{"count":0,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/3302\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media\/3307"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media?parent=3302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/categories?post=3302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/tags?post=3302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}