{"id":1408,"date":"2025-05-21T08:24:23","date_gmt":"2025-05-21T08:24:23","guid":{"rendered":"http:\/\/schumann.jp\/?p=1408"},"modified":"2025-06-06T04:48:06","modified_gmt":"2025-06-06T04:48:06","slug":"%e3%83%90%e3%83%a9%e3%83%b3%e3%82%b9%e5%9e%8b%e3%83%97%e3%83%aa%e3%82%a2%e3%83%b3%e3%83%97%e3%82%92%e6%94%b9%e8%89%af%e3%81%97%e3%81%9f%e3%81%84%e3%83%bb%e3%83%bb%e3%83%bb%e6%94%b9%e8%89%af%e3%81%a7","status":"publish","type":"post","link":"http:\/\/schumann.jp\/?p=1408","title":{"rendered":"\u30d0\u30e9\u30f3\u30b9\u578b\u30d7\u30ea\u30a2\u30f3\u30d7\u3092\u6539\u826f\u3057\u305f\u3044\u30fb\u30fb\u30fb\u6539\u826f\u3067\u306f\u306a\u304f\u58ca\u3057\u3066\u3057\u307e\u3063\u305f\u4ef6"},"content":{"rendered":"\n<p>\u30d0\u30e9\u30f3\u30b9\u578b\u30d7\u30ea\u30a2\u30f3\u30d7\u306f\u3001\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304c\u3001\u5b9f\u306f\u5927\u304d\u306a\u554f\u984c\u70b9\u304c\u3042\u308b\u3002\u3000\u305d\u308c\u306f\u3001\u30d5\u30e9\u30c3\u30c8\u30a2\u30f3\u30d7\u306b <a rel=\"noreferrer noopener\" href=\"https:\/\/nw-electric.way-nifty.com\/blog\/HPA-12.html\" target=\"_blank\">HPA-12\u30d8\u30c3\u30c9\u30db\u30f3\u30a2\u30f3\u30d7<\/a> \u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001\uff0b\uff0d\u5165\u529b\u306e\u305d\u308c\u305e\u308c\u306b unbalanced \u306e\u30d5\u30e9\u30c3\u30c8\u30a2\u30f3\u30d7\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u540c\u76f8\u9664\u53bb\u6bd4\uff08Common Mode Rejection Ratio, CMRR\uff09\u306f\u30bc\u30ed\u3067\u3042\u308b\u3002\u3000\u3064\u307e\u308a\u3001\u30d0\u30e9\u30f3\u30b9\u5165\u529b\u30fb\u30d0\u30e9\u30f3\u30b9\u51fa\u529b\u306e\u4f53\u88c1\u3092\u3068\u3063\u3066\u3044\u308b\u3082\u306e\u306e\u3001\u5916\u6765\u30ce\u30a4\u30ba\u306b\u5bfe\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u30d7\u30ea\u30a2\u30f3\u30d7\u5358\u4f53\u3068\u3057\u3066\u306f\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u3053\u3093\u306a\u304a\u308a\u306b\u3001\u305f\u304b\u3058\u3093\u3055\u3093\u304c\u3001<a rel=\"noreferrer noopener\" href=\"https:\/\/nw-electric.way-nifty.com\/blog\/nnba1.html\" target=\"_blank\">\u5165\u51fa\u529b\u30d0\u30e9\u30f3\u30b9\u30a2\u30f3\u30d7 NNBA-1<\/a> \u57fa\u677f\u3092\u914d\u5e03\u3057\u59cb\u3081\u305f\u3002\u3000\u3053\u308c\u306f\u7d20\u6674\u3089\u3057\u3044\u3068\u8003\u3048\u3001\u540c\u57fa\u677f\u306b\u30d5\u30e9\u30c3\u30c8\u30a2\u30f3\u30d7\u3092\u5207\u308a\u63db\u3048\u308b\u3053\u3068\u3092\u8a08\u753b\u3057\u305f\u3002\u3000\u672c\u57fa\u677f\u306f\u3001Unbalanced &#8211; Balanced \uff08\u5dee\u52d5\u30c9\u30e9\u30a4\u30d0\uff09\u3084\u3001Balanced &#8211; Unbalanced \uff08\u5dee\u52d5\u30ec\u30b7\u30fc\u30d0\uff09\u3068\u3057\u3066\u3082\u4f7f\u7528\u53ef\u80fd\u3067\u3001<a href=\"http:\/\/schumann.jp\/?cat=191\">Phono Equalizer<\/a> \u3067\u3082\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002\u3000Phono Equalizer \u4f5c\u6210\u6642\u306b\u540c\u6642\u306b\u4f5c\u6210\u3057\u3066\u304a\u304d\u3001\u5165\u529b\u3092 2SK170 \u3068\u3057\u3001MUSES 72320 \u306b\u5408\u308f\u305b\u3066\u8ca0\u8377\u62b5\u6297\u7b49\u3092\u4f5c\u6210\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"978\" height=\"857\" src=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/05\/NNBA-1.png\" alt=\"\" class=\"wp-image-1414\" srcset=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/05\/NNBA-1.png 978w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/05\/NNBA-1-685x600.png 685w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/05\/NNBA-1-768x673.png 768w\" sizes=\"(max-width: 978px) 100vw, 978px\" \/><figcaption>VP-7723A \uff08LPF 80kHz ON\uff09\u306b\u3066\u6e2c\u5b9a<\/figcaption><\/figure>\n\n\n\n<p>NBBA-1 \u306e\u6b6a\u307f\u7387\u7279\u6027\u304c\u3001\u305f\u304b\u3058\u3093\u3055\u3093\u306e\u305d\u308c\u3068\u3042\u307e\u308a\u304b\u308f\u3089\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u305f\u306e\u3067\u3001\u3042\u3068\u306f\u4ea4\u63db\u3059\u308b\u3060\u3051\u3002\u3000\u96fb\u6e90\u306f\u3001\u305f\u304b\u3058\u3093\u3055\u3093\u306e <a rel=\"noreferrer noopener\" href=\"https:\/\/nw-electric.way-nifty.com\/blog\/bw_dcarrow.html\" target=\"_blank\">BlueWind DC-Arrow +\/- \u96fb\u6e90\u57fa\u677f<\/a> \u3068\u3057\u305f\u3002\u3000\u4ea4\u63db\u3082\u7d42\u308f\u308a\u3001\u30e1\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0\u306b\u3044\u308c\u3066\u97f3\u51fa\u3057\u3092\u958b\u59cb\u3057\u305f\u3002\u3000\u3082\u3084\u3063\u3068\u3057\u305f\u97f3\u3060\u304c\u3001KZ \u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u4f7f\u3044\u59cb\u3081\u306f\u3001\u3053\u3093\u306a\u3082\u306e\u3060\u3002\u3000<\/p>\n\n\n\n<p>\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u306e\u96fb\u6e90\u3092\u5207\u3063\u3066\u3001\uff12\u6642\u9593\u653e\u7f6e\u3057\u3066\u3001\u518d\u5ea6\u97f3\u51fa\u3057\u3092\u3057\u305f\u3089\u3001\u5de6\u30c1\u30e3\u30f3\u30cd\u30eb\u304b\u3089\u97f3\u304c\u51fa\u306a\u3044\u3002\u3000<a href=\"http:\/\/schumann.jp\/?cat=60\">\u30d5\u30eb\u30d0\u30e9\u30f3\u30b9\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7<\/a>\u306e\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u304c\u3068\u308c\u306a\u3044\u306e\u3060\u3002\u3000\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u304c\u58ca\u308c\u305f\u304b\u3068\u601d\u3063\u3066\u3001\u78ba\u8a8d\u3059\u308b\u3068\u3001DC\u6f0f\u308c\u3057\u3066\u3044\u305f\u3002\u3000\u30aa\u30d5\u30bb\u30c3\u30c8\u8abf\u6574\u3092\u3059\u308b\u3068\u3001\u554f\u984c\u304c\u89e3\u6c7a\u3057\u305f\u306e\u3067\u3001\u307b\u3063\u3068\u3057\u3066\u97f3\u51fa\u3057\u3092\u7d9a\u884c\u3059\u308b\u3068\u3001\u3084\u3063\u3071\u308a\u97f3\u304c\u51fa\u306a\u3044\u3002\u3000\u3053\u308c\u306f\u30d7\u30ea\u30a2\u30f3\u30d7\u304c\u304a\u304b\u3057\u3044\u306e\u3060\u3002\u3000\u30c6\u30b9\u30bf\u3067\u3042\u305f\u3063\u305f\u3089\u3001\u51fa\u529b\u306bDC\u304c\u3067\u3066\u3044\u308b\u3002\u3000\u5373\u5ea7\u306b\u30d7\u30ea\u30a2\u30f3\u30d7\u306e\u96fb\u6e90\u3092\u843d\u3068\u3057\u3066\u3001\u8abf\u3079\u3066\u307f\u305f\u3089\u3001NBBA-1 \u30d5\u30e9\u30c3\u30c8\u30a2\u30f3\u30d7\u306e\u5de6\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\uff0b\u96fb\u6e90\u304c\u304d\u3066\u3044\u306a\u3044\u3002\u3000\u3069\u3053\u306b\u554f\u984c\u304c\u3042\u308b\u306e\u304b\u3092\u8abf\u3079\u3066\u307f\u308b\u3068\u3001\u306a\u3093\u3068\u96fb\u6e90\u306e\u30b3\u30cd\u30af\u30bf\u306e\u63a5\u89e6\u4e0d\u826f\u304c\u3042\u3063\u305f\u3088\u3046\u3060\u3002<\/p>\n\n\n\n<p>\u539f\u56e0\u304c\u308f\u304b\u3063\u3066\u307b\u3063\u3068\u3057\u3066\u3001\u518d\u5ea6\u30b7\u30b9\u30c6\u30e0\u306b\u7d44\u307f\u8fbc\u3093\u3067\u3001\u97f3\u51fa\u3057\u3092\u3057\u305f\u3089\u3001\u306a\u3093\u3068\u5168\u304f\u97f3\u304c\u51fa\u306a\u3044\u30fb\u30fb\u30fb\u30fb\u3000\u5de6\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u3082\u30d7\u30ed\u30c6\u30af\u30bf\u304c\u306f\u305a\u308c\u306a\u3044\u3002\u3000\u6539\u826f\u306e\u3064\u3082\u308a\u304c\u30d7\u30ea\u30a2\u30f3\u30d7\u3054\u3068\u58ca\u3057\u3066\u3057\u307e\u3063\u305f\u3002\u3000\u52a0\u3048\u3066\u3001\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u3082\u3002<\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>to be continued&#8230;<\/em><\/p>\n\n\n\n<p>\u3000<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30d0\u30e9\u30f3\u30b9\u578b\u30d7\u30ea\u30a2\u30f3\u30d7\u306f\u3001\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304c\u3001\u5b9f\u306f\u5927\u304d\u306a\u554f\u984c\u70b9\u304c\u3042\u308b\u3002\u3000\u305d\u308c\u306f\u3001\u30d5\u30e9\u30c3\u30c8\u30a2\u30f3\u30d7\u306b HPA-12\u30d8\u30c3\u30c9\u30db\u30f3\u30a2\u30f3\u30d7 \u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001\uff0b\uff0d\u5165\u529b\u306e\u305d\u308c\u305e\u308c\u306b unbalanced \u306e\u30d5\u30e9\u30c3\u30c8\u30a2\u30f3\u30d7\u3092\u5229\u7528\u3057\u3066\u3044\u308b &hellip; <a href=\"http:\/\/schumann.jp\/?p=1408\" class=\"more-link\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">\u30d0\u30e9\u30f3\u30b9\u578b\u30d7\u30ea\u30a2\u30f3\u30d7\u3092\u6539\u826f\u3057\u305f\u3044\u30fb\u30fb\u30fb\u6539\u826f\u3067\u306f\u306a\u304f\u58ca\u3057\u3066\u3057\u307e\u3063\u305f\u4ef6<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[39,38],"tags":[51,55,197,58,57,56,206,40],"_links":{"self":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1408"}],"collection":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1408"}],"version-history":[{"count":11,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1408\/revisions"}],"predecessor-version":[{"id":1421,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1408\/revisions\/1421"}],"wp:attachment":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1408"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}