{"id":1021,"date":"2023-05-05T03:21:15","date_gmt":"2023-05-05T03:21:15","guid":{"rendered":"http:\/\/schumann.jp\/?p=1021"},"modified":"2024-10-16T04:23:40","modified_gmt":"2024-10-16T04:23:40","slug":"classaa-%e3%83%98%e3%83%83%e3%83%89%e3%83%9b%e3%83%b3%e3%82%a2%e3%83%b3%e3%83%97%e3%81%af%e5%ae%8c%e6%88%90%e3%81%99%e3%82%8b%e3%81%8b%e3%83%bb%e3%83%bb%e3%83%bb%e3%83%88%e3%83%a9%e3%83%96%e3%83%ab","status":"publish","type":"post","link":"http:\/\/schumann.jp\/?p=1021","title":{"rendered":"\u7981\u65ad\u306eClassAA \u30d8\u30c3\u30c9\u30db\u30f3\u30a2\u30f3\u30d7\u306f\u5b8c\u6210\u3059\u308b\u304b\u30fb\u30fb\u30fb\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0"},"content":{"rendered":"\n

\u3055\u3059\u304c\u306b\u3001\u540c\u3058\u30c8\u30e9\u30d6\u30eb\u3092\u3084\u3089\u304b\u305b\u3070\u3001\u3059\u3050\u306b\u6c17\u304c\u4ed8\u304f\u3002\u3000100Hz \u306e\u6b6a\u307f\u7387\u3060\u3051\u60aa\u3044\u306e\u306f\u30a2\u30fc\u30b9\u306e\u554f\u984c\u3060\u3068\u3002\u3000ClassAA\u57fa\u677f\u306e\u307f\u3067\u6b6a\u307f\u7387\u3092\u6e2c\u5b9a\u3059\u308b\u3068\u3001100Hz \u3067\u3082 1kHz \u3068\u307b\u307c\u540c\u3058\u6b6a\u307f\u7387\u306a\u306e\u3067\u3001\u554f\u984c\u306f\u96fb\u5b50\u30dc\u30ea\u30e5\u30fc\u30e0\u3042\u305f\u308a\u306e\u30a2\u30fc\u30b9\u51e6\u7406\u306b\u554f\u984c\u304c\u3042\u308b\u3068\u3002\u3000HPA-1000 \u3067\u3082\u540c\u3058\u554f\u984c\u3067\u60a9\u3093\u3060\u7d4c\u7def<\/a>\u304c\u3042\u308a\u3001\u305f\u304b\u3058\u3093\u3055\u3093\u304b\u3089\u4e0b\u8a18\u306e\u30b3\u30e1\u30f3\u30c8\u3092\u3044\u305f\u3060\u3044\u305f\u3002<\/p>\n\n\n\n

GND\u306e\u63a5\u7d9a\u3001\u3068\u304f\u306b\u30eb\u30fc\u30d7\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u306b\u3088\u308b\u5f71\u97ff\u306f\u5927\u304d\u3044\u3067\u3059\u3088\u306d\u3002\n\n\u30cf\u30e0\u30ce\u30a4\u30ba\u3068\u3057\u3066\u73fe\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3059\u304c\u3001\u3072\u305a\u307f\u7387\u3068\u3057\u3066\u6349\u3048\u308b\u306e\u306f\u9762\u767d\u3044\u3068\u601d\u3044\u307e\u3057\u305f\u3002\n\nHPA-1000 \u306f2\u679a\u306e\u57fa\u677f\u3092\u3042\u307e\u308a\u96e2\u3055\u305a\u306bGND\u30e9\u30a4\u30f3\u30921\u672c\u3067\u7e4b\u3052\u308b\u3068\u3044\u3046\u624b\u6cd5\u3092\u3068\u3063\u3066\u3082\u3089\u3046\u306e\u304c\u7406\u60f3\u3067\u3059\u3002\u3000\u3067\u3082\u305d\u3053\u306b\u96fb\u5b50\u30dc\u30ea\u30e5\u30fc\u30e0\u304c\u5165\u308b\u3068\u3001\u96fb\u5b50\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u96fb\u6e90\u306eGND\u304c\u5fc5\u8981\u306b\u306a\u308a\u3001GND\u30eb\u30fc\u30d7\u304c\u767a\u751f\u3057\u307e\u3059\u3002\n\n\u3053\u306e\u8fba\u306e\u51e6\u7406\u306f\u3044\u304f\u3064\u304b\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u30c8\u30e9\u30f3\u30b9\u304b\u3089\u306e\u6f0f\u308c\u78c1\u675f\u3092\u62fe\u3063\u3066\u3057\u307e\u3046\u4e8b\u3082\u3042\u3063\u305f\u308a\u3057\u3066\u3001\u30cf\u30e0\u30ce\u30a4\u30ba\u3068\u3044\u3046\u73fe\u8c61\u3060\u3051\u3092\u8ffd\u3063\u3066\u3044\u308b\u3068\u4e00\u7b4b\u7e04\u3067\u306f\u3044\u304b\u306a\u3044\u3093\u3067\u3059\u3088\u306d\u3002\nGND\u3060\u3051\u3067\u306a\u304f\u3001\u4fe1\u53f7\u30e9\u30a4\u30f3\u304b\u3089\u3082\u6f0f\u308c\u78c1\u675f\u3092\u62fe\u3063\u3066\u3057\u307e\u3046\u304b\u3089\u3002<\/pre>\n\n\n\n
PGA2311 \u96fb\u5b50\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u4fe1\u53f7\u7cfb\u306e\u30a2\u30fc\u30b9\u3092\u3001ClassAA\u30a2\u30f3\u30d7\u57fa\u677f\u306e\u5165\u529b\u7aef\u5b50\u304b\u3089\u4f9b\u7d66\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u96fb\u6e90\u3067\u3042\u308bPRT-03 \u306e S-GND \u304b\u3089\u4f9b\u7d66\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002\u3072\u305a\u307f\u7387\u7279\u6027\u306e\u307f\u306a\u3089\u305a\u3001\u97f3\u8cea\u5411\u4e0a\u304c\u5f97\u3089\u308c\u305f\u306e\u306f\u8a00\u3046\u307e\u3067\u3082\u306a\u304f\u3002<\/p>\n\n\n\n
\"\"<\/a>
ClassAA\u30d8\u30c3\u30c9\u30db\u30f3\u30a2\u30f3\u30d7\u300033\u03a9\u8ca0\u8377 \u3072\u305a\u307f\u7387\u7279\u6027\uff08\u30af\u30ea\u30c3\u30af\u3067\u62e1\u5927\uff09<\/figcaption><\/figure>\n\n\n\n
\"\"<\/a>
ClassAA\u30d8\u30c3\u30c9\u30db\u30f3\u30a2\u30f3\u30d7\u300033\u03a9\u8ca0\u8377 \u3072\u305a\u307f\u7387\u7279\u6027\uff08\u30af\u30ea\u30c3\u30af\u3067\u62e1\u5927\uff09<\/figcaption><\/figure>\n\n\n\n
\u96d1\u97f3\u6b6a\u307f\u7387\u306f\u3001100 Hz \u304b\u3089 10kHz \u307e\u3067\u3001\u5de6\u53f3\u5dee\u306a\u304f\u3088\u304f\u305d\u308d\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u52a0\u3048\u3066\u3001\u6700\u5c0f\u3067 0.003% \u3068 HPA-1000 \u3088\u308a\u512a\u308c\u3066\u3044\u308b\u3002\u3000\u7279\u6027\u304c\u512a\u308c\u3066\u3044\u308b\u304b\u3089\u3068\u8a00\u3063\u3066\u3001\u97f3\u8cea\u304c\u512a\u308c\u3066\u3044\u308b\u8a3c\u62e0\u306b\u306f\u306a\u3089\u306a\u3044\u304c\u3002 <\/p>\n\n\n\n
\u7981\u65ad\u306eClassAA \u30d8\u30c3\u30c9\u30db\u30f3\u30a2\u30f3\u30d7\u306f\u30013.5W\u7a0b\u5ea6\u306f\u51fa\u308b\u306e\u3067\u3001\u77e5\u4eba\u5b85\u3067\u3001Technics SB-MX100D \u3092\u9cf4\u3089\u3055\u305b\u3066\u3082\u3089\u3046\u6a5f\u4f1a\u3092\u5f97\u305f\u3002\u3000ClassAA\u30a2\u30f3\u30d7\u306f Technics \u306e\u304a\u5bb6\u82b8\u3060\u304b\u3089\u3060\u3002\u3000\u7d76\u5999\u306e\u7a7a\u6c17\u611f\u306b\u9a5a\u3044\u305f\u3002\u3000\u6751\u6cbb\u4f73\u7e54\u306e\u30ae\u30bf\u30fc\u304c\u76ee\u306e\u524d\u306b\u6d6e\u304b\u3073\u4e0a\u304c\u308b\u3088\u3046\u306b\u805e\u3053\u3048\u308b\u3002\u3000\u4f55\u3088\u308a\u3082\u7d20\u6674\u3089\u3057\u3044\u306e\u306f\u3001\u594f\u6cd5\u306e\u9055\u3044\u304c\u3088\u304f\u308f\u304b\u308b\u3053\u3068\u3060\u3002\u30001980\u5e74\u4ee3\u306b\u805e\u3044\u305f Technics \u306e\u9ad8\u7d1a\u6a5f\u3092\u5f77\u5f7f\u3055\u305b\u308b\u3001\u3061\u3087\u3063\u3068\u96e2\u308c\u305f\u3068\u3053\u308d\u304b\u3089\u304d\u308c\u3044\u306b\u97ff\u304b\u305b\u308b\u611f\u3058\u3068\u3044\u3063\u305f\u3089\u3044\u3044\u3060\u308d\u3046\u304b\u3002\u3000\u30b8\u30e3\u30ba\u30c8\u30ea\u30aa\u306a\u3069\u3067\u306f\u3001\u697d\u5668\u306e\u4f4d\u7f6e\u95a2\u4fc2\u304c\u3088\u304f\u308f\u304b\u3063\u3066\u3001\u97ff\u304d\u5408\u3046\u69d8\u5b50\u3082\u3088\u304f\u308f\u304b\u308b\u3002\u3000\u3053\u306e\u611f\u3058\u306f\u3001\u624b\u6301\u3061\u306e Linaeum \u3084 Dynaudio \u3067\u306f\u5f97\u3089\u308c\u306a\u3044\u3082\u306e\u3060\u3002<\/p>\n\n\n\n
\u9591\u8a71\u4f11\u984c\u3002\u3000\u79c1\u304c\u4f5c\u6210\u3057\u305f HPA-1000 \u306f\u3001\u521d\u6bb5\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306b 2SC2240 \u3092\u4f7f\u3063\u3066\u3044\u308b\u305f\u3081\u304b\u3001\u6e05\u695a\u3067\u5973\u6027\u30dc\u30fc\u30ab\u30eb\u306e\u826f\u3055\u304c\u5f15\u304d\u7acb\u3064\u611f\u3058\u304c\u3068\u3066\u3082\u3044\u3044\u3002\u3000\u9685\u3005\u307e\u3067\u97f3\u306e\u4f59\u97fb\u304c\u8074\u3053\u3048\u3066\u5927\u4eba\u306a\u97ff\u304d\u3002\u3000\u7a4f\u3084\u304b\u306a\u3067\u843d\u3061\u7740\u3044\u305f\u96f0\u56f2\u6c17\u3002\u3000\u3053\u308c\u306b\u5bfe\u3057\u3066\u3001\u3053\u306e\u7981\u65ad\u306eClassAA \u30d8\u30c3\u30c9\u30db\u30f3\u30a2\u30f3\u30d7\u306f\u3001HPA-1000 \u306b\u6bd4\u3079\u308b\u3068\u3001\u3082\u3046\u5c11\u3057\u30af\u30fc\u30eb\u306b\u307e\u3068\u3081\u3066\u304f\u308b\u3002\u3000Modern Jazz Quartet \u306e\u304a\u3057\u3083\u308c\u3055\u304c\u3088\u304f\u76ee\u7acb\u3064\u3002\u3000\u4ea4\u97ff\u66f2\u3092\u805e\u304f\u3068\u3001HPA-1000 \u306f\u3001\u30db\u30fc\u30eb\u30c8\u30fc\u30f3\u3082\u3088\u304f\u8074\u3053\u3048\u308b\u4e2d\u592e\u3088\u308a\u3084\u3084\u5f8c\u308d\u306e\u5e2d\u3002\u3000\u3053\u306e\u7981\u65ad\u306eClassAA \u30d8\u30c3\u30c9\u30db\u30f3\u30a2\u30f3\u30d7\u306f\u3001\u3088\u304f\u5168\u4f53\u3092\u898b\u6e21\u305b\u308b\uff12\u968e\u5e2d\u306e\u6700\u524d\u5217\u3068\u3044\u3063\u305f\u611f\u3058\u3002\u3000<\/p>\n\n\n\n
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