{"id":9412,"date":"2026-03-22T18:54:04","date_gmt":"2026-03-22T18:54:04","guid":{"rendered":"https:\/\/www.zehsm.com\/?p=9412"},"modified":"2026-03-22T18:54:04","modified_gmt":"2026-03-22T18:54:04","slug":"%e3%82%b9%e3%83%94%e3%83%bc%e3%82%ab%e3%83%bc%e3%81%ae%e3%82%a4%e3%83%b3%e3%83%94%e3%83%bc%e3%83%80%e3%83%b3%e3%82%b9%e3%81%8c%e9%9f%b3%e8%b3%aa%e3%81%ab%e4%b8%8e%e3%81%88%e3%82%8b%e5%bd%b1%e9%9f%bf","status":"publish","type":"post","link":"https:\/\/www.zehsm.com\/ja\/how-speaker-impedance-affects-sound-quality\/","title":{"rendered":"\u30b9\u30d4\u30fc\u30ab\u30fc\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u97f3\u8cea\u306b\u4e0e\u3048\u308b\u5f71\u97ff"},"content":{"rendered":"

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\u88681\uff1a\u30a2\u30f3\u30d7\u51fa\u529b\u96fb\u529b\u3068\u30b9\u30d4\u30fc\u30ab\u30fc\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\uff08\u4eee\u60f3\u7684\u306a\u9ad8\u96fb\u6d41100W @ 8\u03a9\u30a2\u30f3\u30d7\u306e\u5834\u5408\uff09<\/strong>
\n| \u30b9\u30d4\u30fc\u30ab\u30fc\u516c\u79f0\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/strong> | \u7406\u8ad6\u4e0a\u306e\u6700\u5927\u9023\u7d9a\u96fb\u529b<\/strong> | \u4e3b\u8981\u306a\u30a2\u30f3\u30d7\u9700\u8981<\/strong> | \u9069\u5207\u306a\u5897\u5e45\u306b\u3088\u308b\u5178\u578b\u7684\u306a\u97f3\u8cea\u7279\u6027<\/strong> |
\n|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014-|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014-|
\n| 8\u03a9 | 100 \u30ef\u30c3\u30c8 | \u9ad8\u96fb\u5727\u3001\u4f4e\u96fb\u6d41 | \u5b89\u5b9a\u3001\u5236\u5fa1\u3055\u308c\u305f\u3001\u591a\u304f\u306e\u5834\u5408\u6700\u9ad8\u306e\u30c0\u30f3\u30d4\u30f3\u30b0\u30d5\u30a1\u30af\u30bf\u30fc\u3002 |
\n| 4\u03a9 | \u7d04180-200 \u30ef\u30c3\u30c8 | \u9ad8\u96fb\u6d41\u80fd\u529b | \u3088\u308a\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u306a\u4f4e\u97f3\u306e\u53ef\u80fd\u6027\uff1b\u5f31\u3044\u30a2\u30f3\u30d7\u306b\u8ca0\u8377\u3092\u304b\u3051\u308b\u3002 |
\n| 6\u03a9 | \u7d04130-150 \u30ef\u30c3\u30c8 | \u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u9700\u8981 | \u30df\u30c3\u30c9\u30ec\u30f3\u30b8AV\u30ec\u30b7\u30fc\u30d0\u30fc\u306b\u3088\u304f\u3042\u308b\u300c\u5b89\u5168\u306a\u300d\u59a5\u5354\u70b9\u3002 |<\/p>\n

\u8033\u3078\u306e\u76f4\u63a5\u7d4c\u8def\uff1a\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u97f3\u8cea\u306b\u4e0e\u3048\u308b\u5f71\u97ff<\/h2>\n

\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3068\u30a2\u30f3\u30d7\u306e\u6280\u8853\u7684\u306a\u76f8\u4e92\u4f5c\u7528\u306f\u3001\u660e\u78ba\u306b\u805e\u304d\u53d6\u308c\u308b\u5f62\u3067\u73fe\u308c\u307e\u3059\u3002\u6700\u3082\u76f4\u63a5\u7684\u306a\u5f71\u97ff\u306f \u5468\u6ce2\u6570\u5fdc\u7b54<\/strong>. \u306b\u3042\u308a\u307e\u3059\u3002\u30b9\u30d4\u30fc\u30ab\u30fc\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u5468\u6ce2\u6570\u306b\u3088\u3063\u3066\u5909\u5316\u3057\u3001\u591a\u304f\u306e\u30a2\u30f3\u30d7\u306f\u30bc\u30ed\u3067\u306f\u306a\u3044\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u6301\u3064\u305f\u3081\u3001\u30c9\u30e9\u30a4\u30d0\u30fc\u306b\u4f9b\u7d66\u3055\u308c\u308b\u7d50\u679c\u7684\u306a\u96fb\u5727\u306f\u30d5\u30e9\u30c3\u30c8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f \u5468\u6ce2\u6570\u4f9d\u5b58\u30c0\u30f3\u30d4\u30f3\u30b0<\/em>. \u3068\u547c\u3070\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4f4e\u97f3\u4e0a\u90e8\uff0f\u4e2d\u4f4e\u97f3\u57df\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30d4\u30fc\u30af\u306f\u3001\u771f\u7a7a\u7ba1\u30a2\u30f3\u30d7\u304b\u3089\u4f9b\u7d66\u3055\u308c\u308b\u96fb\u529b\u304c\u5c11\u306a\u304f\u306a\u308a\u3001\u6e29\u304b\u307f\u3084\u67d4\u3089\u304b\u3055\u3068\u3057\u3066\u77e5\u899a\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u975e\u5e38\u306b\u4f4e\u3044\u30bd\u30ea\u30c3\u30c9\u30b9\u30c6\u30fc\u30c8\u30a2\u30f3\u30d7\u306f\u3053\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u3088\u308a\u6b63\u78ba\u306a\u5fdc\u7b54\u3092\u76ee\u6307\u3057\u307e\u3059\u3002.<\/p>\n

\u6b6a\u307f<\/strong> \u306f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u8ca0\u8377\u306b\u5927\u304d\u304f\u5f71\u97ff\u3055\u308c\u307e\u3059\u3002\u30a2\u30f3\u30d7\u304c\u4f9b\u7d66\u3067\u304d\u306a\u3044\u96fb\u6d41\u3092\u8981\u6c42\u3055\u308c\u308b\u3068\u3001\u6b6a\u307f\u306f\u6025\u6fc0\u306b\u5897\u52a0\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u6700\u3082\u4f4e\u3044\u5468\u6ce2\u6570\uff08\u4f8b\uff1a200-500Hz\uff09\u3067\u6b63\u78ba\u306b\u767a\u751f\u3057\u3001\u30dc\u30fc\u30ab\u30eb\u3084\u57fa\u672c\u697d\u5668\u306b\u6fc1\u308a\u3084\u6df7\u96d1\u611f\u3092\u52a0\u3048\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u66f2\u7dda\u306f\u30af\u30ed\u30b9\u30aa\u30fc\u30d0\u30fc\u306e\u4f1d\u9054\u95a2\u6570\u3068\u76f8\u4e92\u4f5c\u7528\u3057\u307e\u3059\u3002\u8a2d\u8a08\u304c\u4e0d\u5341\u5206\u306a\u30af\u30ed\u30b9\u30aa\u30fc\u30d0\u30fc\u306f\u3001\u30a2\u30f3\u30d7\u306e\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306b\u3088\u3063\u3066\u614e\u91cd\u306b\u8abf\u6574\u3055\u308c\u305f\u5468\u6ce2\u6570\u5fdc\u7b54\u3068\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u30d6\u30ec\u30f3\u30c9\u304c\u5b8c\u5168\u306b\u5909\u5316\u3057\u3001\u97f3\u8272\u306e\u4e0d\u5747\u8861\u3084\u4f4d\u76f8\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u4f4e\u97f3\u6027\u80fd\u3068\u904e\u6e21\u5fdc\u7b54<\/strong> \u306f\u304a\u305d\u3089\u304f\u6700\u3082\u9855\u8457\u306a\u9818\u57df\u3067\u3059\u3002\u4f4e\u97f3\u57df\u306b\u6df1\u523b\u306a\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u4f4e\u4e0b\u304c\u3042\u308b\u30b9\u30d4\u30fc\u30ab\u30fc\uff08\u30dd\u30fc\u30c8\u4ed8\u304d\u8a2d\u8a08\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u5468\u6ce2\u6570\u3067\u4e00\u822c\u7684\uff09\u306f\u3001\u96fb\u529b\u4e0d\u8db3\u306e\u30a2\u30f3\u30d7\u3092\u96fb\u6d41\u5236\u9650\u306b\u8ffd\u3044\u8fbc\u307f\u3001\u3060\u3089\u3057\u306a\u3044\u5358\u8abf\u306a\u4f4e\u97f3\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9006\u306b\u3001\u5b89\u5b9a\u3057\u305f\u9ad8\u96fb\u6d41\u30a2\u30f3\u30d7\u306f\u5236\u5fa1\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u904e\u6e21\u5fdc\u7b54\uff08\u30c9\u30e9\u30e0\u306e\u6253\u6483\u306e\u3088\u3046\u306a\u92ed\u3044\u97f3\u306e\u7acb\u3061\u4e0a\u304c\u308a\uff09\u306b\u306f\u3001\u5927\u91cf\u306e\u77ac\u9593\u96fb\u6d41\u304c\u5fc5\u8981\u3067\u3059\u3002\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30b9\u30d4\u30fc\u30ab\u30fc\uff08\u4f8b\uff1a16\u03a9\uff09\u306f\u3053\u308c\u3089\u306e\u904e\u6e21\u5fdc\u7b54\u306b\u5fc5\u8981\u306a\u96fb\u6d41\u304c\u5c11\u306a\u304f\u3001\u4e00\u90e8\u306e\u30a2\u30f3\u30d7\u306b\u3068\u3063\u3066\u30af\u30ea\u30fc\u30f3\u306b\u4f9b\u7d66\u3057\u3084\u3059\u304f\u3001\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u306a\u300c\u5207\u308c\u300d\u3092\u5411\u4e0a\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u201c<\/p>\n

\u73fe\u5b9f\u4e16\u754c\u3092\u30ca\u30d3\u30b2\u30fc\u30c8\u3059\u308b\uff1a\u6e2c\u5b9a\u3001\u30de\u30c3\u30c1\u30f3\u30b0\u3001\u305d\u3057\u3066\u795e\u8a71<\/h2>\n

\u6279\u5224\u7684\u306a\u30ea\u30b9\u30ca\u30fc\u306b\u3068\u3063\u3066\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u516c\u79f0\u5b9a\u683c\u3092\u8d85\u3048\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u8ce2\u660e\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n

    \n
  1. \u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u66f2\u7dda\u3092\u53c2\u7167\u3059\u308b\uff1a<\/strong> Stereophile\u3084Audio Science Review\u306a\u3069\u306e\u60c5\u5831\u6e90\u304b\u3089\u306e\u30ec\u30d3\u30e5\u30fc\u306f\u3001\u6e2c\u5b9a\u3055\u308c\u305f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u66f2\u7dda\u3092\u516c\u958b\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u516c\u79f0\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u4f4e\u304f\u3066\u3082\uff084\u03a9\u306a\u3069\uff09\u6bd4\u8f03\u7684\u30d5\u30e9\u30c3\u30c8\u306a\u66f2\u7dda\u306f\u30013\u03a9\u307e\u3067\u5927\u304d\u304f\u5909\u52d5\u3059\u308b8\u03a9\u30b9\u30d4\u30fc\u30ab\u30fc\u3088\u308a\u3082\u30a2\u30f3\u30d7\u304c\u99c6\u52d5\u3057\u3084\u3059\u3044\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002.<\/li>\n
  2. \u30a2\u30f3\u30d7\u306e\u4ed5\u69d8\uff1a<\/strong> \u30a2\u30f3\u30d7\u306e8\u03a9\u304a\u3088\u30734\u03a9\u8ca0\u8377\u6642\u306e\u96fb\u529b\u5b9a\u683c\u306b\u6ce8\u610f\u3092\u6255\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u9ad8\u54c1\u8cea\u3067\u9ad8\u96fb\u6d41\u306e\u8a2d\u8a08\u306f\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u534a\u5206\u306b\u306a\u308b\u3068\u96fb\u529b\u304c\u901a\u5e382\u500d\u307e\u305f\u306f\u307b\u307c2\u500d\u306b\u306a\u308a\u307e\u3059\uff08\u4f8b\uff1a100W @ 8\u03a9 \u2192 180W+ @ 4\u03a9\uff09\u3002\u96fb\u529b\u304c25-50%\u3057\u304b\u5897\u52a0\u3057\u306a\u3044\u30a2\u30f3\u30d7\u306f\u3001\u96fb\u6e90\u304c\u5f31\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n
  3. \u300c\u99c6\u52d5\u304c\u5bb9\u6613\u300d\u3068\u3044\u3046\u795e\u8a71\uff1a<\/strong> \u300c8\u03a9\u5bfe\u5fdc\u300d\u306e\u30b9\u30d4\u30fc\u30ab\u30fc\u304c\u5fc5\u305a\u3057\u3082\u99c6\u52d5\u3057\u3084\u3059\u3044\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u300270\u5e74\u4ee3\u308480\u5e74\u4ee3\u306e\u591a\u304f\u306e\u53e4\u5178\u7684\u306a\u9ad8\u611f\u5ea68\u03a9\u30b9\u30d4\u30fc\u30ab\u30fc\u306f\u3001\u7a4f\u3084\u304b\u3067\u9ad8\u3044\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u66f2\u7dda\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u591a\u304f\u306e\u73fe\u4ee3\u306e\u300c8\u03a9\u300d\u30b9\u30d4\u30fc\u30ab\u30fc\u306f\u8907\u96d1\u306a\u30de\u30eb\u30c1\u30c9\u30e9\u30a4\u30d0\u30fc\u30a2\u30ec\u30a4\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u975e\u5e38\u306b\u4f4e\u3044\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u4f4e\u4e0b\u3092\u6301\u3064\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<\/ol>\n

    \u30d0\u30a4\u30ef\u30a4\u30e4\u30ea\u30f3\u30b0\u3068\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\uff1a<\/strong> \u30d0\u30a4\u30ef\u30a4\u30e4\u30ea\u30f3\u30b0\u306b\u95a2\u3059\u308b\u5b9f\u7528\u7684\u306a\u6ce8\u610f\uff1a\u305d\u306e\u97f3\u97ff\u7684\u5229\u70b9\u306f\u8b70\u8ad6\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u96fb\u6c17\u7684\u306b\u306f\u3001\u30d0\u30a4\u30ef\u30a4\u30e4\u30ea\u30f3\u30b0\u306f\u30a6\u30fc\u30d5\u30a1\u30fc\u3068\u30c4\u30a4\u30fc\u30bf\u30fc\u306e\u5e30\u8def\u3092\u5206\u96e2\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30ed\u30b9\u30aa\u30fc\u30d0\u30fc\u9818\u57df\u3067\u30a2\u30f3\u30d7\u306b\u63d0\u793a\u3055\u308c\u308b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092 \u97f3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u9069\u5207\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30ab\u30d0\u30fc\u306e\u76ee\u6a19\u306f\u3001\u305d\u306e\u5f71\u97ff\u3092\u805e\u3053\u3048\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u7ba1\u7406\u3055\u308c\u305f\u4e8c\u91cd\u76f2\u691c\u30c6\u30b9\u30c8\u3067\u306f\u3001\u9ad8\u54c1\u8cea\u306e<\/em> \u308f\u305a\u304b\u306b\u5909\u5316\u3055\u305b\u307e\u3059.<\/p>\n

    \u3002\u305d\u306e\u52b9\u679c\u306f\u901a\u5e38\u308f\u305a\u304b\u3067\u3059\u304c\u3001\u30c1\u30a7\u30fc\u30f3\u5185\u306e\u3059\u3079\u3066\u306e\u63a5\u7d9a\u304c\u91cd\u8981\u3067\u3042\u308b\u3053\u3068\u3092\u5f37\u8abf\u3057\u3066\u3044\u307e\u3059\u3002<\/strong> \u30ef\u30a4\u30e4\u30fc\u30b2\u30fc\u30b8\u306e\u8981\u56e0\uff1a.<\/p>\n

    \u30b9\u30d4\u30fc\u30ab\u30fc\u30b1\u30fc\u30d6\u30eb\u306e\u62b5\u6297\u306f\u3001\u30a2\u30f3\u30d7\u306e\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3068\u76f4\u5217\u306b\u306a\u308a\u307e\u3059\u3002\u7d30\u304f\u3066\u9577\u3044\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3068\u62b5\u6297\u304c\u5897\u52a0\u3057\u3001\u30b9\u30d4\u30fc\u30ab\u30fc\u304b\u3089\u898b\u305f\u5b9f\u52b9\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u4e0a\u6607\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30c0\u30a4\u30ca\u30df\u30af\u30b9\u304c\u920d\u304f\u306a\u308a\u3001\u5468\u6ce2\u6570\u5fdc\u7b54\u306e\u5909\u52d5\u304c\u60aa\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4f4e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30b9\u30d4\u30fc\u30ab\u30fc\u306e\u5834\u5408\u306f\u300110-15\u30d5\u30a3\u30fc\u30c8\u4ee5\u4e0a\u306e\u914d\u7dda\u306b\u306f\u3088\u308a\u592a\u3044\u30b2\u30fc\u30b8\u306e\u30ef\u30a4\u30e4\u30fc\uff08\u4f8b\uff1a12AWG\u4ee5\u4e0b\uff09\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/h2>\n

    \u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30ebQ&A\uff1a\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306b\u95a2\u3059\u308b\u8cea\u554f\u306b\u304a\u7b54\u3048\u3057\u307e\u3059<\/strong>
    \nQ1\uff1a\u4f4e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30b9\u30d4\u30fc\u30ab\u30fc\uff084\u03a9\uff09\u306f\u3001\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30b9\u30d4\u30fc\u30ab\u30fc\uff088\u03a9\uff09\u3088\u308a\u3082\u672c\u8cea\u7684\u306b\u512a\u308c\u3066\u3044\u308b\u3001\u307e\u305f\u306f\u52a3\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u304b\uff1f A\uff1a\u3069\u3061\u3089\u3082\u672c\u8cea\u7684\u306b\u512a\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u30024\u03a9\u8a2d\u8a08\u3067\u306f\u3001\u30a2\u30f3\u30d7\u304c\u6240\u5b9a\u306e\u96fb\u5727\u306b\u5bfe\u3057\u3066\u3088\u308a\u591a\u304f\u306e\u96fb\u529b\u3092\u4f9b\u7d66\u3067\u304d\u308b\u305f\u3081\uff08\u7406\u8ad6\u4e0a\u306f2\u500d\uff09\u3001\u9ad8\u51fa\u529b\u30ec\u30d9\u30eb\u3092\u9054\u6210\u3059\u308b\u306e\u306b\u6709\u5229\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u3088\u308a\u591a\u304f\u306e\u96fb\u6d41\u3092\u5fc5\u8981\u3068\u3059\u308b\u305f\u3081\u3001\u30a2\u30f3\u30d7\u306e\u96fb\u6e90\u306b\u5927\u304d\u306a\u8ca0\u8377\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u516c\u79f0\u5024\u3088\u308a\u3082<\/em> \u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u66f2\u7dda\u306e\u5f62\u72b6.<\/p>\n

    \u306e\u65b9\u304c\u306f\u308b\u304b\u306b\u91cd\u8981\u3067\u3059\u3002\u6ed1\u3089\u304b\u306a\u66f2\u7dda\u3092\u6301\u3064\u9069\u5207\u306b\u8a2d\u8a08\u3055\u308c\u305f4\u03a9\u30b9\u30d4\u30fc\u30ab\u30fc\u306f\u30012\u03a9\u307e\u3067\u4f4e\u4e0b\u3059\u308b\u8a2d\u8a08\u4e0d\u826f\u306e8\u03a9\u30b9\u30d4\u30fc\u30ab\u30fc\u3088\u308a\u3082\u99c6\u52d5\u304c\u5bb9\u6613\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/strong>
    \nQ2\uff1a8\u03a9\u306e\u307f\u306b\u5bfe\u5fdc\u3057\u305f\u30a2\u30f3\u30d7\u306b4\u03a9\u30b9\u30d4\u30fc\u30ab\u30fc\u3092\u63a5\u7d9a\u3067\u304d\u307e\u3059\u304b\uff1f.<\/p>\n

    Q3: \u79c1\u306eAV\u30ec\u30b7\u30fc\u30d0\u30fc\u306f6\u03a9\u5bfe\u5fdc\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u30014\u03a9\u306e\u30b9\u30d4\u30fc\u30ab\u30fc\u3092\u5b89\u5168\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong>
    \nA: \u591a\u304f\u306e\u6700\u65b0AV\u30ec\u30b7\u30fc\u30d0\u30fc\u306b\u306f\u300c6\u03a9\u300d\u307e\u305f\u306f\u300c4-6\u03a9\u300d\u30e2\u30fc\u30c9\u304c\u642d\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u901a\u5e38\u306f\u96fb\u6d41\u5236\u9650\u62b5\u6297\u3092\u633f\u5165\u3059\u308b\u304b\u3001\u30b2\u30a4\u30f3\u69cb\u9020\u3092\u5909\u66f4\u3057\u3066\u6a5f\u5668\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u7269\u7406\u7684\u306b\u30b9\u30d4\u30fc\u30ab\u30fc\u3092\u63a5\u7d9a\u3067\u304d\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u306a\u96fb\u529b\u4f9b\u7d66\u304c\u8457\u3057\u304f\u640d\u306a\u308f\u308c\u3001\u97f3\u8cea\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u30024\u03a9\u30b9\u30d4\u30fc\u30ab\u30fc\u3067\u672c\u683c\u7684\u306a\u30ea\u30b9\u30cb\u30f3\u30b0\u3092\u884c\u3046\u306b\u306f\u3001\u5c02\u7528\u306e\u5927\u96fb\u6d41\u5916\u90e8\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u304c\u6700\u9069\u306a\u89e3\u6c7a\u7b56\u3067\u3059\u3002.<\/p>\n

    Q4: \u771f\u7a7a\u7ba1\u30a2\u30f3\u30d7\u306f\u7279\u5b9a\u306e\u30b9\u30d4\u30fc\u30ab\u30fc\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u304b\uff1f<\/strong>
    \nA: \u306f\u3044\u3001\u3053\u308c\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u771f\u7a7a\u7ba1\u30a2\u30f3\u30d7\u3001\u7279\u306b\u51fa\u529b\u30c8\u30e9\u30f3\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3082\u306e\u306f\u3001\u7279\u5b9a\u306e\u6700\u9069\u8ca0\u8377\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\uff08\u4f8b\uff1a4\u03a9\u30018\u03a9\u300116\u03a9\u306e\u30bf\u30c3\u30d7\uff09\u306b\u5408\u308f\u305b\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u8aa4\u3063\u305f\u30bf\u30c3\u30d7\u306e\u30df\u30b9\u30de\u30c3\u30c1\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u53cd\u5c04\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u554f\u984c\u304c\u767a\u751f\u3057\u3001\u6b6a\u307f\u304c\u5897\u52a0\u3057\u3001\u51fa\u529b\u304c\u4f4e\u4e0b\u3057\u3001\u51fa\u529b\u30c8\u30e9\u30f3\u30b9\u304c\u640d\u50b7\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5fc5\u305a\u30b9\u30d4\u30fc\u30ab\u30fc\u306e\u516c\u79f0\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306b\u5408\u3063\u305f\u6b63\u3057\u3044\u30bf\u30c3\u30d7\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u771f\u7a7a\u7ba1\u30a2\u30f3\u30d7\u306f\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u9ad8\u3044\u305f\u3081\u3001\u30b9\u30d4\u30fc\u30ab\u30fc\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u66f2\u7dda\u3068\u3088\u308a\u9855\u8457\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

    Q5: \u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u30db\u30fc\u30e0\u30b7\u30a2\u30bf\u30fc\u306e\u3088\u3046\u306a\u30de\u30eb\u30c1\u30b9\u30d4\u30fc\u30ab\u30fc\u69cb\u6210\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<\/strong>
    \nA: \u3053\u308c\u306f\u5927\u304d\u306a\u61f8\u5ff5\u4e8b\u9805\u3067\u3059\u3002\u8907\u6570\u306e\u30b9\u30d4\u30fc\u30ab\u30fc\u3092\u5358\u4e00\u306e\u30a2\u30f3\u30d7\u30c1\u30e3\u30f3\u30cd\u30eb\u306b\u4e26\u5217\u63a5\u7d9a\u3059\u308b\u5834\u5408\uff08\u4f8b\uff1a\u30de\u30eb\u30c1\u30eb\u30fc\u30e0\u30aa\u30fc\u30c7\u30a3\u30aa\uff09\u3001\u7dcf\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u5287\u7684\u306b\u4f4e\u4e0b\u3057\u307e\u3059\u30028\u03a9\u306e\u30b9\u30d4\u30fc\u30ab\u30fc2\u53f0\u3092\u4e26\u5217\u63a5\u7d9a\u3059\u308b\u30684\u03a9\u306e\u8ca0\u8377\u3068\u306a\u308a\u30014\u53f0\u3067\u306f2\u03a9\u306e\u8ca0\u8377\u3068\u306a\u308a\u3001\u307b\u3068\u3093\u3069\u306e\u30a2\u30f3\u30d7\u306b\u3068\u3063\u3066\u306f\u307b\u307c\u77ed\u7d61\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002\u5fc5\u305a\u7dcf\u8ca0\u8377\u3092\u8a08\u7b97\u3057\u3066\u304f\u3060\u3055\u3044\uff1a 1 \/ \u7dcf\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9 = 1\/\u03a9\u2081 + 1\/\u03a9\u2082 + \u2026<\/strong> \u6a5f\u5668\u306e\u640d\u50b7\u3092\u9632\u3050\u305f\u3081\u3001\u30de\u30eb\u30c1\u30b9\u30d4\u30fc\u30ab\u30fc\u69cb\u6210\u3067\u306f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u6574\u5408\u30bb\u30ec\u30af\u30bf\u30fc\u30b9\u30a4\u30c3\u30c1\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001\u500b\u5225\u306e\u5897\u5e45\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

    Understanding the Basics: What is Speaker Impedance? Speaker impedance, measured in ohms (\u03a9), is one of the most fundamental yet misunderstood specifications in audio. At its core, impedance represents the total opposition a speaker presents to the alternating current (AC) supplied by an amplifier. It’s not a simple fixed resistance like in a direct current (DC) circuit but a complex combination of DC resistance (Re), inductive reactance (from the voice coil), and capacitive reactance (influenced by the driver’s design and crossover). The nominal impedance you see on a speaker’s label\u2014typically 4\u03a9, 6\u03a9, or 8\u03a9\u2014is a simplified average. In reality, a speaker’s impedance curve is a dramatic landscape of peaks and […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9412","post","type-post","status-publish","format-standard","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/posts\/9412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/comments?post=9412"}],"version-history":[{"count":1,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/posts\/9412\/revisions"}],"predecessor-version":[{"id":9413,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/posts\/9412\/revisions\/9413"}],"wp:attachment":[{"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/media?parent=9412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/categories?post=9412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/tags?post=9412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}