{"id":475,"date":"2020-11-17T14:34:21","date_gmt":"2020-11-17T05:34:21","guid":{"rendered":"https:\/\/www.jato.jp\/magazine\/?p=475"},"modified":"2026-01-26T17:24:27","modified_gmt":"2026-01-26T08:24:27","slug":"pa-basic-knowledge","status":"publish","type":"post","link":"https:\/\/www.jato.jp\/magazine\/audio\/pa-basic-knowledge\/","title":{"rendered":"\u3010PA\u57fa\u790e\u77e5\u8b58\u3011\u97f3\u97ff\u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u672c\u69cb\u6210\u3068\u5f79\u5272\u306b\u3064\u3044\u3066"},"content":{"rendered":"<p>\u97f3\u97ff\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3046\u305f\u3081\u306b\u306f\u3042\u308b\u7a0b\u5ea6\u306e\u77e5\u8b58\u304c\u5fc5\u8981\u3067\u3059\u3002\u300c\u3069\u3046\u3044\u3063\u305f\u6a5f\u6750\u304c\u5fc5\u8981\u304b\u300d\u300c\u305d\u308c\u305e\u308c\u306e\u6a5f\u6750\u306e\u5f79\u5272\u306f\u4f55\u304b\u300d\u3092\u628a\u63e1\u305b\u305a\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u3001\u6700\u60aa\u306e\u5834\u5408\u306f\u6a5f\u6750\u306e\u7834\u640d\u306b\u3082\u3064\u306a\u304c\u308a\u304b\u306d\u307e\u305b\u3093\u3002<br 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class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u97f3\u58f0\u3084\u97f3\u697d\u60c5\u5831\u306f\u3001\u305d\u306e\u307e\u307e\u3067\u306f\u97f3\u97ff\u30b7\u30b9\u30c6\u30e0\u3067\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u307e\u305a\u306f\u3001\u97f3\u97ff\u30b7\u30b9\u30c6\u30e0\u306e\u5165\u308a\u53e3\u306b\u3042\u305f\u308b\u90e8\u5206\u3067\u96fb\u6c17\u4fe1\u53f7\u3078\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u5fc5\u8981\u3067\u3059\u3002\u305d\u306e\u5909\u63db\u306e\u5f79\u5272\u3092\u679c\u305f\u3059\u306e\u304c\u3001\u30de\u30a4\u30af\u3084\u5404\u7a2e\u30e1\u30c7\u30a3\u30a2\u306e\u30d7\u30ec\u30a4\u30e4\u30fc\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%83%9E%E3%82%A4%E3%82%AF%EF%BC%88%E3%83%9E%E3%82%A4%E3%82%AF%E3%83%AD%E3%83%95%E3%82%A9%E3%83%B3%EF%BC%89\"><\/span>\u30de\u30a4\u30af\uff08\u30de\u30a4\u30af\u30ed\u30d5\u30a9\u30f3\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>\n<p><img decoding=\"async\" src=\"\/\/www.jato.jp\/magazine\/wp-content\/uploads\/pa-basic-knowledge-2.jpg\" alt=\"\u30de\u30a4\u30af\uff08\u30de\u30a4\u30af\u30ed\u30d5\u30a9\u30f3\uff09\" width=\"300\" \/><\/p>\n<p>\u30de\u30a4\u30af\u306e\u5f79\u5272\u306f\u3001\u4eba\u306e\u58f0\u3084\u751f\u306e\u697d\u5668\u306e\u97f3\u3092\u96fb\u6c17\u4fe1\u53f7\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30de\u30a4\u30af\u306b\u306f\u3044\u304f\u3064\u304b\u7a2e\u985e\u304c\u3042\u308a\u3001\u7528\u9014\u306b\u5408\u308f\u305b\u3066\u9078\u3073\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u97f3\u697d\u30e9\u30a4\u30d6\u3067\u30dc\u30fc\u30ab\u30eb\u7528\u306b\u4f7f\u7528\u3059\u308b\u306a\u3089\u3001\u9811\u4e08\u306a\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30de\u30a4\u30af\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u4e00\u65b9\u3001\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30b9\u30bf\u30b8\u30aa\u306a\u3069\u3067\u3001\u9ad8\u97f3\u8cea\u306a\u9332\u97f3\u3092\u884c\u3046\u5834\u5408\u306f\u3001\u611f\u5ea6\u306e\u9ad8\u3044\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30de\u30a4\u30af\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30de\u30a4\u30af\u304c\u6bd4\u8f03\u7684\u5b89\u4fa1\u3067\u3042\u308b\u306e\u306b\u5bfe\u3057\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30de\u30a4\u30af\u306f\u9ad8\u4fa1\u306a\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<p>\u307e\u305f\u3001\u30de\u30a4\u30af\u306b\u306f\u6307\u5411\u6027\u304c\u3042\u308a\u3001\u97f3\u697d\u30e9\u30a4\u30d6\u306e\u3088\u3046\u306b\u30dc\u30fc\u30ab\u30eb\u306e\u58f0\u3084\u697d\u5668\u306e\u97f3\u306a\u3069\u3092\u305d\u308c\u305e\u308c\u500b\u5225\u306b\u62fe\u3044\u305f\u3044\u5834\u5408\u306f\u3001\u4e00\u65b9\u5411\u306e\u97f3\u3060\u3051\u3092\u62fe\u3046\u5358\u4e00\u6307\u5411\u6027\u30de\u30a4\u30af\u3092\u4f7f\u3044\u307e\u3059\u3002\u9006\u306b\u3001\u4f1a\u8b70\u306a\u3069\u3067\u90e8\u5c4b\u5168\u4f53\u306e\u97f3\u3092\u62fe\u3046\u306a\u3089\u3001\u5168\u6307\u5411\u6027\u306e\u30de\u30a4\u30af\u3092\u4f7f\u7528\u3059\u308b\u3068\u30de\u30a4\u30af1\u53f0\u3067\u5168\u4f53\u306e\u4f1a\u8a71\u3092\u62fe\u3046\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u30de\u30a4\u30af\u306e\u9078\u3073\u65b9\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<br \/><a href=\"https:\/\/www.jato.jp\/magazine\/audio\/microphone-choice\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.jato.jp\/magazine\/audio\/microphone-choice\/<\/a><\/p>\n<p>\u30de\u30a4\u30af\u3068\u30df\u30ad\u30b5\u30fc\u3092\u3064\u306a\u3050\u30b1\u30fc\u30d6\u30eb\u306e\u9078\u3073\u65b9\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<br \/><a href=\"https:\/\/www.jato.jp\/magazine\/audio\/microphone-cable-choice\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.jato.jp\/magazine\/audio\/microphone-cable-choice\/<\/a><\/p>\n<p>\u30de\u30a4\u30af\u5546\u54c1\u306e\u4e00\u89a7\u306f\u3053\u3061\u3089<br \/><a href=\"https:\/\/www.jato.jp\/c\/gr20\/gr31\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.jato.jp\/c\/gr20\/gr31<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%83%97%E3%83%AC%E3%82%A4%E3%83%A4%E3%83%BC\"><\/span>\u30d7\u30ec\u30a4\u30e4\u30fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>CD\u3084MD\u3001\u30ab\u30bb\u30c3\u30c8\u3084\u30ec\u30b3\u30fc\u30c9\u306a\u3069\u306e\u97f3\u6e90\u3092\u96fb\u6c17\u4fe1\u53f7\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306e\u6a5f\u6750\u3067\u3059\u3002\u30c1\u30e5\u30fc\u30ca\u30fc\u3092\u642d\u8f09\u3057\u3066\u3044\u308b\u3082\u306e\u3067\u3042\u308c\u3070\u3001\u30e9\u30b8\u30aa\u3092\u8074\u304f\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PA%E3%81%AE%E5%BD%B9%E5%89%B2%E2%91%A1_%E9%9F%B3%E3%82%92%E9%9B%86%E7%B4%84%E3%81%99%E3%82%8B%E3%83%BB%E8%AA%BF%E6%95%B4%E3%81%99%E3%82%8B\"><\/span>PA\u306e\u5f79\u5272\u2461 \u97f3\u3092\u96c6\u7d04\u3059\u308b\u30fb\u8abf\u6574\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u96fb\u6c17\u4fe1\u53f7\u3078\u3068\u5909\u63db\u3055\u308c\u305f\u97f3\u306f\u30df\u30ad\u30b5\u30fc\u306b\u96c6\u7d04\u3055\u308c\u3001\u6df7\u305c\u5408\u308f\u305b\u305f\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u97f3\u3092\u8abf\u6574\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%83%9F%E3%82%AD%E3%82%B5%E3%83%BC\"><\/span>\u30df\u30ad\u30b5\u30fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30de\u30a4\u30af\u3084\u30d7\u30ec\u30a4\u30e4\u30fc\u306a\u3069\u304b\u3089\u5165\u529b\u3055\u308c\u305f\u97f3\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u8abf\u6574\u3057\u3001\u805e\u304d\u53d6\u308a\u3084\u3059\u3044\u97f3\u3092\u4f5c\u308b\u305f\u3081\u306e\u6a5f\u6750\u3067\u3059\u3002\u30a2\u30ca\u30ed\u30b0\u3084\u30c7\u30b8\u30bf\u30eb\u306e\u30df\u30ad\u30b5\u30fc\u3001\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u3092\u5185\u8535\u3057\u305f\u30d1\u30ef\u30fc\u30c9\u30df\u30ad\u30b5\u30fc\u304c\u3042\u308a\u307e\u3059\u3002\u30df\u30ad\u30b5\u30fc\u306b\u3088\u3063\u3066\u306f\u3001\u30c1\u30e3\u30f3\u30cd\u30eb\u3054\u3068\u306e\u97f3\u306e\u8abf\u6574\u3060\u3051\u3067\u306a\u304f\u3001\u30ea\u30d0\u30fc\u30d6\u306a\u3069\u306e\u30a8\u30d5\u30a7\u30af\u30c8\u3092\u304b\u3051\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u30df\u30ad\u30b5\u30fc\u3092\u9078\u3076\u969b\u306f\u3001\u4f55\u3092\u3044\u304f\u3064\u63a5\u7d9a\u3059\u308b\u304b\u3092\u8003\u3048\u306a\u304f\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u5165\u529b\u53ef\u80fd\u306a\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\u6570\u3084\u3001\u305d\u306e\u3046\u3061\u30de\u30a4\u30af\u5165\u529b\u30c1\u30e3\u30f3\u30cd\u30eb\u306f\u3044\u304f\u3064\u5fc5\u8981\u3067\u3001\u30e9\u30a4\u30f3\u5165\u529b\u30c1\u30e3\u30f3\u30cd\u30eb\u304c\u3044\u304f\u3064\u5fc5\u8981\u304b\u306a\u3069\u3092\u8003\u616e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30df\u30ad\u30b5\u30fc\u306e\u9078\u3073\u65b9\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<br \/><a href=\"https:\/\/www.jato.jp\/magazine\/audio\/what-is-pa-mixer\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.jato.jp\/magazine\/audio\/what-is-pa-mixer\/<\/a><\/p>\n<p>\u30df\u30ad\u30b5\u30fc\u5546\u54c1\u306e\u4e00\u89a7\u306f\u3053\u3061\u3089<br \/><a href=\"https:\/\/www.jato.jp\/c\/gr20\/gr35\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.jato.jp\/c\/gr20\/gr35<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"PA%E3%81%AE%E5%BD%B9%E5%89%B2%E2%91%A2_%E9%9F%B3%E3%82%92%E5%A2%97%E5%B9%85%E3%81%95%E3%81%9B%E3%82%8B\"><\/span>PA\u306e\u5f79\u5272\u2462 \u97f3\u3092\u5897\u5e45\u3055\u305b\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u306e\u6642\u70b9\u307e\u3067\u306e\u96fb\u6c17\u4fe1\u53f7\u306f\u5fae\u5f31\u306a\u3082\u306e\u3067\u3001\u30b9\u30d4\u30fc\u30ab\u30fc\u3067\u97f3\u3092\u9cf4\u3089\u305b\u308b\u30ec\u30d9\u30eb\u306b\u306f\u9054\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u3001\u30a2\u30f3\u30d7\u306a\u3069\u3092\u4f7f\u3063\u3066\u97f3\u3092\u5897\u5e45\u3057\u3001\u5341\u5206\u306a\u30ec\u30d9\u30eb\u306b\u5f15\u304d\u4e0a\u3052\u3066\u304b\u3089\u30b9\u30d4\u30fc\u30ab\u30fc\u3078\u3068\u9001\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%82%A2%E3%83%B3%E3%83%97\"><\/span>\u30a2\u30f3\u30d7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30a2\u30f3\u30d7\u306f\u30df\u30ad\u30b5\u30fc\u3084\u30d7\u30ec\u30a4\u30e4\u30fc\u304b\u3089\u5165\u529b\u3055\u308c\u305f\u97f3\u3092\u30b9\u30d4\u30fc\u30ab\u30fc\u3067\u518d\u751f\u3067\u304d\u308b\u30ec\u30d9\u30eb\u307e\u3067\u5897\u5e45\u3055\u305b\u308b\u305f\u3081\u306e\u6a5f\u6750\u3067\u3059\u3002\u30a2\u30f3\u30d7\u306b\u306f\u3001\u30d7\u30ea\u30a2\u30f3\u30d7\u3084\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\uff08\u30e1\u30a4\u30f3\u30a2\u30f3\u30d7\uff09\u3001\u305d\u308c\u3089\u30921\u3064\u306b\u3057\u305f\u30d7\u30ea\u30e1\u30a4\u30f3\u30a2\u30f3\u30d7\u306a\u3069\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u3092\u9078\u3076\u969b\u306f\u3001\u30b9\u30d4\u30fc\u30ab\u30fc\u5074\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3068\u8a31\u5bb9\u5165\u529b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u306e\u51fa\u529b\u304c\u30b9\u30d4\u30fc\u30ab\u30fc\u306e\u8a31\u5bb9\u5165\u529b\u3088\u308a\u3082\u5927\u304d\u3044\u3068\u30b9\u30d4\u30fc\u30ab\u30fc\u7834\u640d\u306e\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u300c\u30b9\u30d4\u30fc\u30ab\u30fc\u306e\u8a31\u5bb9\u5165\u529b \uff1e \u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u306e\u5b9a\u683c\u51fa\u529b\u300d\u306b\u306a\u308b\u3082\u306e\u3092\u9078\u3073\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u306e\u9078\u3073\u65b9\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<br \/><a href=\"https:\/\/www.jato.jp\/magazine\/audio\/power-amplifier\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.jato.jp\/magazine\/audio\/power-amplifier\/<\/a><\/p>\n<p>\u30a2\u30f3\u30d7\u5546\u54c1\u306e\u4e00\u89a7\u306f\u3053\u3061\u3089<br \/><a href=\"https:\/\/www.jato.jp\/c\/gr20\/gr21\/gr22\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.jato.jp\/c\/gr20\/gr21\/gr22<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"PA%E3%81%AE%E5%BD%B9%E5%89%B2%E2%91%A3_%E9%9F%B3%E3%82%92%E5%87%BA%E3%81%99%EF%BC%88%E5%87%BA%E5%8A%9B%EF%BC%89\"><\/span>PA\u306e\u5f79\u5272\u2463 \u97f3\u3092\u51fa\u3059\uff08\u51fa\u529b\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u97f3\u306e\u51fa\u53e3\u306b\u306a\u308b\u90e8\u5206\u3067\u3059\u3002\u96fb\u6c17\u4fe1\u53f7\u3078\u3068\u5909\u63db\u3055\u308c\u305f\u97f3\u3092\u3001\u518d\u3073\u751f\u306e\u97f3\u3078\u3068\u623b\u3057\u3001\u30ea\u30b9\u30ca\u30fc\u306b\u5c4a\u304f\u3088\u3046\u306b\u62e1\u58f0\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%82%B9%E3%83%94%E3%83%BC%E3%82%AB%E3%83%BC\"><\/span>\u30b9\u30d4\u30fc\u30ab\u30fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>\n<p><img decoding=\"async\" src=\"\/\/www.jato.jp\/magazine\/wp-content\/uploads\/pa-basic-knowledge-3.jpg\" alt=\"\u30b9\u30d4\u30fc\u30ab\u30fc\" width=\"300\" 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