{"id":3071,"date":"2025-07-05T12:31:19","date_gmt":"2025-07-05T04:31:19","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=3071"},"modified":"2026-01-27T16:45:37","modified_gmt":"2026-01-27T08:45:37","slug":"electret-microphones-for-two-way-radios-challenges-and-solutions","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ja\/electret-microphones-for-two-way-radios-challenges-and-solutions\/","title":{"rendered":"\u53cc\u65b9\u5411\u7121\u7dda\u7528\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30de\u30a4\u30af\u30ed\u30db\u30f3\uff1a\u8ab2\u984c\u3068\u89e3\u6c7a\u7b56"},"content":{"rendered":"
\n
\"\u5916\u90e8\u30de\u30a4\u30af\u3068\u5185\u8535\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30fb\u30ab\u30d7\u30bb\u30eb\u3092\u5099\u3048\u305f\u53cc\u65b9\u5411\u7121\u7dda\u6a5f\uff08\u56f3\"
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\u3055\u3089\u306b\u3001\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306e\u611f\u5ea6\u304c\u4e0d\u9069\u5207\u3067\u3042\u3063\u305f\u308a\u3001\u5468\u6ce2\u6570\u7279\u6027\u304c\u9650\u3089\u308c\u3066\u3044\u305f\u308a\u3059\u308b\u3068\u3001\u7279\u306b\u30b9\u30d4\u30fc\u30ab\u30fc\u304c\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306e\u8fd1\u304f\u306b\u306a\u3044\u5834\u5408\u3001\u97f3\u304c\u3053\u3082\u3063\u305f\u308a\u3001\u97f3\u58f0\u306e\u30c7\u30a3\u30c6\u30fc\u30eb\u304c\u5931\u308f\u308c\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5341\u5206\u306a\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u7dad\u6301\u3057\u3064\u3064\u3001\u5927\u304d\u306a\u97f3\u306b\u3088\u308b\u6b6a\u307f\u3092\u9632\u3050\u305f\u3081\u306b\u611f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u81ea\u7136\u3067\u30af\u30ea\u30a2\u306a\u97f3\u58f0\u3092\u518d\u751f\u3059\u308b\u306b\u306f\u3001\u4eba\u9593\u306e\u58f0\u306e\u4e3b\u8981\u306a\u5e2f\u57df\uff08100Hz\uff5e10kHz\u7a0b\u5ea6\uff09\u3092\u30ab\u30d0\u30fc\u3059\u308b\u5468\u6ce2\u6570\u7279\u6027\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306f\u307e\u305f\u3001\u7a81\u7136\u306e\u5927\u97f3\u91cf\u306b\u3082\u6b6a\u307f\u306a\u304f\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u7dca\u6025\u6642\u3084\u30ce\u30a4\u30ba\u306e\u591a\u3044\u30d0\u30fc\u30b9\u30c8\u6642\u306b\u5b89\u5b9a\u6027\u3092\u4fdd\u3064\u305f\u3081\u306b\u306f\u3001\u901a\u5e38100dB\u3092\u8d85\u3048\u308b\u9ad8\u3044\u6700\u5927\u97f3\u5727\u30ec\u30d9\u30eb\uff08SPL\uff09\u304c\u5fc5\u8981\u3067\u3059\u3002\u9650\u3089\u308c\u305f\u5185\u90e8\u30b9\u30da\u30fc\u30b9\u3067\u306f\u3001\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306e\u6b63\u78ba\u306a\u30b5\u30a4\u30b8\u30f3\u30b0\u3068\u3001\u78ba\u5b9f\u306a\u306f\u3093\u3060\u4ed8\u3051\u306e\u305f\u3081\u306e\u4e92\u63db\u6027\u306e\u3042\u308b\u30d4\u30f3\u914d\u7f6e\u304c\u8981\u6c42\u3055\u308c\u308b\u305f\u3081\u3001\u6a5f\u68b0\u7684\u8981\u56e0\u3082\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u632f\u52d5\u306b\u3088\u308b\u63a5\u89e6\u4e0d\u826f\u3092\u9632\u304e\u3001\u9577\u671f\u7684\u306a\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u53cc\u65b9\u5411\u7121\u7dda\u7528\u306e6mm\u30849.7mm\u3068\u3044\u3063\u305f\u6a19\u6e96\u30b5\u30a4\u30ba\u3092\u63d0\u4f9b\u3057\u3001\u5805\u7262\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0\u3068\u6a19\u6e96\u5316\u3055\u308c\u305f\u30d4\u30f3\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u3088\u308a\u3001\u3088\u308a\u5bb9\u6613\u306a\u7d71\u5408\u3068\u8010\u4e45\u6027\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

ECM-B6027UP-47\u69d8\u3005\u306a\u7528\u9014\u306b\u9069\u3057\u305f\u6c4e\u7528\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30de\u30a4\u30af\u30ed\u30db\u30f3<\/h2>\n\n\n\n
\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\u4ed5\u69d8<\/th><\/tr>
\u30b5\u30a4\u30ba<\/td>6 \u00d7 2.7mm<\/td><\/tr>
\u65b9\u5411\u6027<\/td>\u4e00\u65b9\u5411<\/td><\/tr>
\u611f\u5ea6<\/td>-47dB \u00b1 2<\/td><\/tr>
\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/td>680\u03a9<\/td><\/tr>
\u4fe1\u53f7\u5bfe\u96d1\u97f3\u6bd4<\/td>52\u30c7\u30b7\u30d9\u30eb<\/td><\/tr>
\u6700\u5927SPL<\/td>100\u30c7\u30b7\u30d9\u30eb<\/td><\/tr>
\u5468\u6ce2\u6570\u5fdc\u7b54<\/td>100Hz ~ 10kHz<\/td><\/tr>
\u52d5\u4f5c\u96fb\u5727<\/td>DC1.5V<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

ECM-B6027UP-47\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306f\u3001\u3082\u3068\u3082\u3068\u697d\u5668\u7528\u306b\u8a2d\u8a08\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u53cc\u65b9\u5411\u7121\u7dda\u306e\u4f7f\u7528\u306b\u9069\u3057\u305f\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u5358\u4e00\u6307\u5411\u6027\u8a2d\u8a08\u306b\u3088\u308a\u3001\u96d1\u97f3\u306e\u591a\u3044\u74b0\u5883\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u5468\u56f2\u306e\u96d1\u97f3\u3092\u52b9\u679c\u7684\u306b\u4f4e\u6e1b\u3057\u306a\u304c\u3089\u3001\u8a71\u8005\u306e\u58f0\u3092\u6b63\u78ba\u306b\u6349\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

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6\u00d72.7mm\u3068\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u3053\u306e\u30de\u30a4\u30af\u30ed\u30db\u30f3\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u53cc\u65b9\u5411\u7121\u7dda\u30cf\u30f3\u30c9\u30bb\u30c3\u30c8\u8a2d\u8a08\u306b\u5bb9\u6613\u306b\u9069\u5408\u3057\u3001\u30d4\u30f3\u578b\u30b3\u30cd\u30af\u30bf\u306b\u3088\u308a\u4fe1\u983c\u6027\u306e\u9ad8\u3044PCB\u306f\u3093\u3060\u4ed8\u3051\u304c\u5bb9\u6613\u3067\u3001\u52b9\u7387\u7684\u306a\u88fd\u9020\u304c\u53ef\u80fd\u3067\u3059\u3002S\/N\u6bd4\u306f52dB\u3068\u4e2d\u7a0b\u5ea6\u3067\u3059\u304c\u3001\u53cc\u65b9\u5411\u7121\u7dda\u6a5f\u306e\u4e00\u822c\u7684\u306a\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u304a\u308a\u3001\u5b9f\u7528\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5b89\u5b9a\u3057\u305f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

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Two-way radios are often used in challenging environments such as outdoor sites, industrial areas, and other noisy settings where machinery, wind, and traffic sounds interfere with clear voice communication. In such conditions, microphones must effectively reduce background noise and focus on the speaker\u2019s voice. This typically requires a unidirectional design and a good signal-to-noise ratio to ensure voice clarity. Furthermore, improper microphone sensitivity or limited frequency response can result in muffled sound or loss of voice details, especially when the speaker is not close to the microphone. It is crucial to balance sensitivity to prevent distortion from loud sounds while maintaining sufficient pickup. A frequency response that covers key human […]<\/p>\n","protected":false},"author":1,"featured_media":3075,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[400],"tags":[556,547,555],"class_list":["post-3071","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-guides","tag-low-power","tag-o6-0mm","tag-pin-type"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/3071","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=3071"}],"version-history":[{"count":0,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/3071\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media\/3075"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media?parent=3071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/categories?post=3071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/tags?post=3071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}