{"id":3621,"date":"2025-10-31T14:17:29","date_gmt":"2025-10-31T06:17:29","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=3621"},"modified":"2026-01-27T15:46:43","modified_gmt":"2026-01-27T07:46:43","slug":"reliable-unidirectional-microphone-capsule-for-megaphone-and-pa-systems","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ja\/reliable-unidirectional-microphone-capsule-for-megaphone-and-pa-systems\/","title":{"rendered":"\u30e1\u30ac\u30db\u30f3\u3084PA\u30b7\u30b9\u30c6\u30e0\u7528\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u5358\u4e00\u6307\u5411\u6027\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb"},"content":{"rendered":"
\n
\"ECM-B1463UL34-683
ECM-B1463UL34-683\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30fb\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30fb\u30ab\u30d7\u30bb\u30eb\u3001\u30cf\u30f3\u30c9\u30d8\u30eb\u30c9\u30fb\u30e1\u30ac\u30db\u30f3\u3084\u30dd\u30fc\u30bf\u30d6\u30ebPA\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u7d44\u307f\u8fbc\u307f\u306b\u6700\u9069\u3002.<\/figcaption><\/figure>\n<\/div>\n\n\n

\u30e1\u30ac\u30db\u30f3\u3001\u30dd\u30fc\u30bf\u30d6\u30eb\u30fb\u30a2\u30f3\u30d7\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u30fb\u30a2\u30c9\u30ec\u30b9\uff08PA\uff09\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3082\u306e\u304c\u5fc5\u8981\u3067\u3059\u3002 \u30af\u30ea\u30a2\u306a\u97f3\u58f0\u4f1d\u9001<\/strong> \u305d\u3057\u3066 \u6700\u5c0f\u9650\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af<\/strong>. .\u5c4b\u5916\u653e\u9001\u3001\u6559\u5ba4\u3067\u306e\u62e1\u58f0\u3001\u30c4\u30a2\u30fc\u30ac\u30a4\u30c9\u306a\u3069\u3001\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30ab\u30d7\u30bb\u30eb\u306e\u54c1\u8cea\u304c\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u660e\u77ad\u5ea6\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\u79c1\u305f\u3061\u306e ECM-B1463UL34-683<\/strong> \u306f\u3001\u30e1\u30ac\u30db\u30f3\u3084\u30dd\u30fc\u30bf\u30d6\u30ebPA\u30b7\u30b9\u30c6\u30e0\u7528\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5358\u4e00\u6307\u5411\u6027\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30ab\u30d7\u30bb\u30eb\u3067\u3059\u3002\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u3001\u9ad8\u611f\u5ea6\u3001\u512a\u308c\u305f\u30ce\u30a4\u30ba\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u5b9f\u73fe\u3057\u3001\u69d8\u3005\u306a\u74b0\u5883\u3067\u30d7\u30ed\u30ec\u30d9\u30eb\u306e\u97f3\u8cea\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\u88fd\u54c1\u4ed5\u69d8<\/h2>\n\n\n\n
\u4ed5\u69d8<\/th>\u8a73\u7d30<\/th><\/tr>
\u5bf8\u6cd5<\/td>14 \u00d7 6.3 mm<\/td><\/tr>
\u6307\u5411\u6027<\/td>\u4e00\u65b9\u5411<\/td><\/tr>
\u611f\u5ea6<\/td>-34 \u00b12 dB<\/td><\/tr>
\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/td>2.2 k\u03a9<\/td><\/tr>
S\/N\u6bd4<\/td>75 dB<\/td><\/tr>
\u6700\u5927\u97f3\u5727\u30ec\u30d9\u30eb<\/td>110 dB<\/td><\/tr>
\u52d5\u4f5c\u96fb\u5727<\/td>2 Vdc<\/td><\/tr>
\u5468\u6ce2\u6570\u5fdc\u7b54<\/td>100 Hz - 10 kHz<\/td><\/tr>
\u6d88\u8cbb\u96fb\u6d41<\/td>500 \u03bcA<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5468\u6ce2\u6570\u5fdc\u7b54<\/h3>\n\n\n
\n
\"ECM-B1463UL34-683
ECM-B1463UL34-683\u306e\u5468\u6ce2\u6570\u7279\u6027\u306f\u3001\u30e1\u30ac\u30db\u30f3\u3084\u30dd\u30fc\u30bf\u30d6\u30ebPA\u30b7\u30b9\u30c6\u30e0\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/figcaption><\/figure>\n<\/div>\n\n\n

\u5b9f\u4e16\u754c\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3051\u308b\u5fdc\u7528<\/h2>\n\n\n\n

ECM-B1463UL34-683\u306f\u3001\u69d8\u3005\u306a\u30e1\u30ac\u30db\u30f3\u3084PA\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3067\u512a\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e \u30cf\u30f3\u30c9\u30d8\u30eb\u30c9\u30fb\u30e1\u30ac\u30db\u30f3<\/strong>, \u3053\u308c\u306b\u3088\u308a\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30fb\u30ce\u30a4\u30ba\u3084\u30cf\u30a6\u30ea\u30f3\u30b0\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u306a\u304c\u3089\u3001\u8a71\u8005\u306e\u58f0\u304c\u9577\u8ddd\u96e2\u306b\u308f\u305f\u3063\u3066\u660e\u77ad\u306b\u6295\u5c04\u3055\u308c\u307e\u3059\u3002\u5bfe\u8c61 \u30dd\u30fc\u30bf\u30d6\u30eb\u30a2\u30f3\u30d7<\/strong> \u6559\u5ba4\u3084\u30ac\u30a4\u30c9\u30c4\u30a2\u30fc\u3067\u4f7f\u7528\u3055\u308c\u308b\u6307\u5411\u6027\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u3001\u6df7\u96d1\u3057\u305f\u74b0\u5883\u3084\u30ce\u30a4\u30ba\u306e\u591a\u3044\u74b0\u5883\u3067\u3082\u660e\u77ad\u306a\u97f3\u58f0\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u8eca\u8f09PA\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u305d\u306e\u5805\u7262\u306a\u4fe1\u53f7\u51fa\u529b\u3068\u9ad8\u3044S\/N\u6bd4\u306e\u6069\u6075\u3092\u53d7\u3051\u3066\u304a\u308a\u3001\u7dca\u6025\u30a2\u30ca\u30a6\u30f3\u30b9\u3084\u5546\u696d\u7528\u9014\u306b\u7406\u60f3\u7684\u3067\u3059\u3002\u8a73\u7d30\u306f\u3053\u3061\u3089 14mm\u30de\u30a4\u30af\u30ed\u30db\u30f3\u7d20\u5b50\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a> OEM\u30e1\u30fc\u30ab\u30fc\u5411\u3051\u3002.<\/p>\n\n\n\n

\u4e3b\u306a\u5229\u70b9<\/h2>\n\n\n\n

ECM-B1463UL34-683\u306f\u3001OEM\u304a\u3088\u3073ODM\u30e1\u30fc\u30ab\u30fc\u306b\u8907\u6570\u306e\u5229\u70b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305d\u306e\u30e1\u30ea\u30c3\u30c8 \u9ad8\u611f\u5ea6<\/strong> \u9060\u304f\u304b\u3089\u3067\u3082\u306f\u3063\u304d\u308a\u3068\u58f0\u3092\u6349\u3048\u308b\u3002\u305d\u306e \u4e00\u65b9\u5411\u30c7\u30b6\u30a4\u30f3<\/strong> \u80cc\u666f\u306e\u5e72\u6e09\u3092\u4f4e\u6e1b\u3057\u3001\u30cf\u30a6\u30ea\u30f3\u30b0\u3092\u9632\u6b62\u3057\u307e\u3059\u3002\u8010\u4e45\u6027\u306e\u3042\u308b\u7d20\u6750\u3067\u4f5c\u3089\u308c\u3066\u304a\u308a\u3001\u632f\u52d5\u3084\u5c4b\u5916\u6761\u4ef6\u4e0b\u3067\u3082\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u305d\u306e\u5b89\u5b9a\u3057\u305f\u51fa\u529b\u306f\u3001\u81ea\u52d5\u5316\u3055\u308c\u305f\u751f\u7523\u30e9\u30a4\u30f3\u306b\u6700\u9069\u5316\u3055\u308c\u3066\u304a\u308a\u3001\u5927\u91cf\u30ed\u30c3\u30c8\u3067\u306e\u54c1\u8cea\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

OEM\/ODM\u88fd\u9020\u7528\u306b\u8a2d\u8a08<\/h2>\n\n\n\n

\u30d7\u30ed\u306e\u30de\u30a4\u30af\u30ed\u30db\u30f3\u90e8\u54c1\u30e1\u30fc\u30ab\u30fc\u3068\u3057\u3066\u3001\u5f53\u793e\u306f\u4e16\u754c\u4e2d\u306e\u30d6\u30e9\u30f3\u30c9\u3084\u5de5\u5834\u306b\u30ab\u30d7\u30bb\u30eb\u3092\u4f9b\u7d66\u3057\u3066\u3044\u307e\u3059\u3002ECM-B1463UL34-683\u306f\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30cf\u30a6\u30b8\u30f3\u30b0\u3084\u30cf\u30f3\u30c9\u30eb\u8a2d\u8a08\u3078\u306e\u5bb9\u6613\u306a\u7d71\u5408\u3001\u751f\u7523\u30ed\u30c3\u30c8\u9593\u3067\u306e\u4e00\u8cab\u3057\u305f\u5468\u6ce2\u6570\u5fdc\u7b54\u3001\u304a\u3088\u3073\u5927\u91cf\u751f\u7523\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u30b5\u30dd\u30fc\u30c8\u306e\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4fe1\u983c\u6027\u3001\u97f3\u97ff\u7684\u5b89\u5b9a\u6027\u3001\u4f9b\u7d66\u306e\u5b89\u5b9a\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u3066\u304a\u308a\u3001OEM\u304a\u3088\u3073ODM\u306e\u304a\u5ba2\u69d8\u306b\u4fe1\u983c\u3055\u308c\u308b\u9078\u629e\u80a2\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n

\u30d1\u30fc\u30c8\u30ca\u30fc<\/h2>\n\n\n\n

\u30e1\u30ac\u30db\u30f3\u3001\u30dd\u30fc\u30bf\u30d6\u30eb\u30a2\u30f3\u30d7\u3001PA\u6a5f\u5668\u3092\u958b\u767a\u307e\u305f\u306f\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u5834\u5408\u306f\u00a0ECM-B1463UL34-683<\/strong>\u00a0\u306f\u3001\u5b9f\u7e3e\u306e\u3042\u308b\u9ad8\u6027\u80fd\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u00a0\u30ab\u30b9\u30bf\u30e0\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3001\u30d0\u30eb\u30af\u4f9b\u7d66\u3001OEM\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3<\/strong>\u00a0\u304a\u5ba2\u69d8\u306e\u88fd\u9020\u30cb\u30fc\u30ba\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002.\u00a0\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u00a0\u30b5\u30f3\u30d7\u30eb\u3001\u4ed5\u69d8\u66f8\u3001\u307e\u305f\u306f\u304a\u5ba2\u69d8\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u305f\u3081\u306e\u7d71\u5408\u30b5\u30dd\u30fc\u30c8\u3092\u3054\u4f9d\u983c\u304f\u3060\u3055\u3044\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

Megaphones, portable amplifiers, and public address (PA) systems require clear voice transmission and minimal feedback. Whether used in outdoor broadcasting, classroom amplification, or tour guiding, the quality of the microphone capsule directly affects how clearly the message is heard. Our ECM-B1463UL34-683 is a unidirectional electret microphone capsule designed specifically for megaphones and portable PA systems. It delivers stable performance, high sensitivity, and excellent noise control, ensuring professional-level audio quality in various environments. Product Specifications Specification Details Dimensions 14 \u00d7 6.3 mm Directivity Unidirectional Sensitivity -34 \u00b12 dB Impedance 2.2 k\u03a9 S\/N Ratio 75 dB Max SPL 110 dB Operating Voltage 2 Vdc Frequency Response 100 Hz \u2013 10 kHz Current Consumption 500 \u03bcA Frequency Response […]<\/p>\n","protected":false},"author":1,"featured_media":3622,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[520,536,517],"class_list":["post-3621","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","tag-high-snr","tag-o14mm","tag-unidirectional"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/3621","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=3621"}],"version-history":[{"count":0,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/3621\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media\/3622"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media?parent=3621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/categories?post=3621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/tags?post=3621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}