{"id":1508,"date":"2025-11-01T02:16:21","date_gmt":"2025-11-01T02:16:21","guid":{"rendered":"http:\/\/schumann.jp\/?p=1508"},"modified":"2025-12-10T06:16:24","modified_gmt":"2025-12-10T06:16:24","slug":"12hg7-12gn7a-%e3%81%af%e3%83%a2%e3%83%8e%e3%81%ab%e3%81%aa%e3%82%8b%e3%81%8b%ef%bc%9f%e3%80%80%e6%a7%8b%e6%83%b3%e7%b7%a8","status":"publish","type":"post","link":"http:\/\/schumann.jp\/?p=1508","title":{"rendered":"12HG7\/12GN7A \u306f\u30e2\u30ce\u306b\u306a\u308b\u304b\uff1f\u3000\u69cb\u60f3\u7de8"},"content":{"rendered":"\n

\u3044\u308d\u3044\u308d\u8abf\u3079\u3066\u3044\u305f\u3089\u3001ARITO’s Audio Lab<\/a> \u306e\u524d\u5ddd\u6709\u4eba\u3055\u3093\u306e\u30da\u30fc\u30b8<\/a>\u3067\u3001EL821 CasComp \u5358\u6bb5\u5dee\u52d5\u30d7\u30c3\u30b7\u30e5\u30d7\u30eb\u30a2\u30f3\u30d7<\/a> \u3092\u898b\u3064\u3051\u305f\u3002\u3000EL821 \u3082 12HG7\/12GN7A \u3068\u540c\u69d8\u306b\u6620\u50cf\u51fa\u529b\u7ba1\u3067\u3001Gm \u306f 11\uff5e13 mmhos \u3067\u3042\u308b\u3002<\/p>\n\n\n\n

CasComp \u56de\u8def\u306b\u3064\u3044\u3066\u306f\u3001\u524d\u5ddd\u3055\u3093\u306e\u89e3\u8aac\u8a18\u4e8b<\/a>\u304c\u3042\u308b\u3002\u3000\u30aa\u30da\u30a2\u30f3\u30d7\u3068\u771f\u7a7a\u7ba1\u306a\u3069\u3092\u4f7f\u3063\u3066\u3001\u6b6a\u307f\u6253\u3061\u6d88\u3057\u3092\u884c\u3046\u3082\u306e\u3060\u3002\u3000\u3053\u306e\u56de\u8def\u3092\u4f7f\u3063\u3066\u3001\u5358\u6bb5\u5dee\u52d5\u30d7\u30c3\u30b7\u30e5\u30d7\u30eb\u30a2\u30f3\u30d7\u3068\u3059\u308c\u3070\u3001\u524d\u5ddd\u3055\u3093\u306b\u3088\u308c\u3070\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n\n

\uff21\uff23\u30d0\u30e9\u30f3\u30b9\u306e\u307f\u306a\u3089\u305a\u3001\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u5c40\u90e8\u5e30\u9084\u306b\u3088\u3063\u3066\uff24\uff23\u30d0\u30e9\u30f3\u30b9\u3082\u307b\u307c\u5b8c\u5168\u306b\u53d6\u308c\u308b\u3068\u3044\u3046\u70b9\u3068\u3001\u540c\u3058\u7406\u7531\u306b\u3088\u3063\u3066\uff30\uff33\uff32\uff32\uff08\u96fb\u6e90\u306b\u4e57\u3063\u3066\u3044\u308b\u30ea\u30c3\u30d7\u30eb\u306a\u3069\u306e\u30ce\u30a4\u30ba\u3092\u9664\u53bb\u3059\u308b\u5272\u5408\uff09\u304c\u975e\u5e38\u306b\u9ad8\u3044\u3068\u3044\u3046\u70b9\u304c\u3001\u901a\u5e38\u306e\u5dee\u52d5\u30d7\u30c3\u30b7\u30e5\u30d7\u30eb\u30a2\u30f3\u30d7\u3068\u6bd4\u8f03\u3057\u3066\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u3000\u5f15\u7528\u5143\u30da\u30fc\u30b8<\/em><\/a><\/pre>\n\n\n\n
\u3053\u306e\u3053\u3068\u306f\u3001Gm\u304c\u8457\u3057\u304f\u9ad8\u3044 12HG7\/12GN7A \u306b\u304a\u3044\u3066\u3001\u30d7\u30c3\u30b7\u30e5\u30d7\u30eb\u9593\u306e\u30d0\u30e9\u30f3\u30b9\u8abf\u6574\u304c\u4e0d\u8981\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u304a\u308a\u3001\u5927\u5909\u90fd\u5408\u304c\u3088\u3044\u3002\u3000\u3088\u3063\u3066\u3001EL821 CasComp \u5358\u6bb5\u5dee\u52d5\u30d7\u30c3\u30b7\u30e5\u30d7\u30eb\u30a2\u30f3\u30d7  \u3092\u53c2\u8003\u306b\u3057\u3066 12HG7\/12GN7A \u306e\u30a2\u30f3\u30d7\u3092\u4f5c\u3063\u3066\u307f\u308b\u3053\u3068\u306b\u6c7a\u3081\u305f\u3002<\/p>\n\n\n\n
EL821 \u306e\u30d0\u30a4\u30a2\u30b9\u96fb\u5727\u306f\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3067\u306f 4.5V \u307b\u3069\u3067\u3042\u308b\u304c\u300112HG7\/12GN7A \u3067\u306f 2V \u5f31\u3060\u3002\u3000\u3088\u3063\u3066\u3001\u524d\u5ddd\u3055\u3093\u306e\u4f5c\u4f8b\u3068\u7570\u306a\u308a\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306e\u8ffd\u52a0\u306b\u3088\u308b\u30a2\u30ec\u30f3\u30b8\u306f\u4e0d\u8981\u3067\u3042\u308d\u3046\u3002\u3000\u30aa\u30da\u30a2\u30f3\u30d7\u306b\u306f\u3001ClassAA \u30df\u30cb\u30ef\u30c3\u30bf\u30fc<\/a> \u3067\u7d20\u76f4\u306a\u97f3\u8cea\u3092\u62ab\u9732\u3057\u305f LME49720 \u3092\u4f7f\u3046\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n\n\n\n
12HG7\/12GN7A \u306e\u30d7\u30ec\u30fc\u30c8\u640d\u5931\u306f 10W \u3067\u3042\u308b\u304c\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u640d\u5931\u306f\u96fb\u5727\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u3002\u3000\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8<\/a>\u306b\u3088\u308c\u3070\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u96fb\u5727\u304c165V\u4ee5\u4e0b\u306a\u3089 1W \u3067\u3042\u308b\u304c\u3001\u305d\u308c\u4ee5\u4e0a\u3067\u306f\u6e1b\u5c11\u3057\u3001330V \u3067\u306f\u30bc\u30ed\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002\u3000\u4e09\u7d50\u306b\u3059\u308b\u3053\u3068\u3092\u8003\u3048\u308b\u3068\u3001\u30d7\u30ec\u30fc\u30c8\u96fb\u5727\u3092 250V \u3068\u3059\u308c\u3070\u3001330V \u306b\u5bfe\u3057\u3066\u304a\u3088\u305d 76% \u3067\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u640d\u5931\u3092 0.75W \u7a0b\u5ea6\u78ba\u4fdd\u3067\u304d\u308b\u3002 \u3000\u30d7\u30ec\u30fc\u30c8\uff0b\u30b9\u30af\u30ea\u30fc\u30f3\u640d\u5931\u304c 10.75W \u3068\u3044\u3063\u3066\u3082\u3001\u5c0f\u3055\u306a MT\u7ba1\u306b 10W \u3082\u306e\u640d\u5931\u3092\u307e\u304b\u305b\u308b\u3068\u3001\u8457\u3057\u304f\u9ad8\u6e29\u306b\u306a\u308b\u3053\u3068\u304c\u4e88\u6e2c\u3055\u308c\u308b\u306e\u3067\u3001\uff18\u5272\u3068\u3057\u3066\u3001\u30d7\u30ec\u30fc\u30c8\uff0b\u30b9\u30af\u30ea\u30fc\u30f3\u96fb\u6d41\u3092 32mA \u7a0b\u5ea6\u306b\u3057\u3088\u3046\u3068\u8003\u3048\u305f\u3002\u3000\u51fa\u529b\u30c8\u30e9\u30f3\u30b9\u306f\u3001\u624b\u6301\u3061\u304b\u3089 Arito’s Audio Labo \u306e DE-10K7W \u3068\u3059\u308c\u3070\u3001\u51fa\u529b\u306f\u304a\u304a\u3080\u306d 5W \u3068\u306a\u308a\u3088\u3044\u3060\u308d\u3046\u3002  <\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u96fb\u6e90\u30c8\u30e9\u30f3\u30b9\u306f\u624b\u6301\u3061\u304b\u3089\u3001\u30b5\u30f3\u30b9\u30a4 P-20 \u3092\u7528\u3044\u308b\u3053\u3068\u3068\u3057\u305f\u3002\u3000\u3053\u306e\u30c8\u30e9\u30f3\u30b9\u306f\u3001210V 210mA \u306a\u306e\u3067\u3001\u5b9f\u4f7f\u7528\u6642\u306b 270V \u7a0b\u5ea6\u306e\u76f4\u6d41\u96fb\u5727\u3068\u306a\u308b\u3067\u3042\u308d\u3046\u3002\u3000\u307a\u308b\u3051\u5f0f\u306e\u30ea\u30c3\u30d7\u30eb\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u300120V \u7a0b\u5ea6\u6d88\u8cbb\u3055\u305b\u308b\u3053\u3068\u3068\u3057\u3066\u30012.5W \u3092 FET \u306b\u6d88\u8cbb\u3055\u305b\u308b\u3053\u3068\u306b\u306a\u308b\u3002\u3000\u3053\u306e FET \u306f\u307a\u308b\u3051\u5e2b\u5320\u304c 6AH4GT\u5168\u6bb5\u5dee\u52d5\u30a2\u30f3\u30d7<\/a>\u3067\u884c\u3063\u305f\u3088\u3046\u306b\u3001\u30d2\u30fc\u30c8\u30b7\u30f3\u30af\u3092\u30b7\u30e3\u30fc\u30b7\u4e0a\u306b\u6d6e\u304b\u305b\u3066\u914d\u7f6e\u3057\u3066\u3001\u52b9\u7387\u7684\u306b\u653e\u71b1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308c\u3070\u3044\u3044\u3060\u308d\u3046\u3002<\/p>\n\n\n\n
\u3053\u306e\u30c8\u30e9\u30f3\u30b9\u306f\u30016.3V 3A\u30015.5V 0.7A  \u304c\uff12\u56de\u8def\u3042\u308a\u3001\u3055\u3089\u306b5V 1.9A\u304c\uff11\u56de\u8def\u3042\u308b\u3002\u30005.5V – 6.3V – 6.3V – 5.5V \u3068\u3064\u306a\u3052\u3070\u300112.6V \u306e\u30d2\u30fc\u30bf\u96fb\u5727\u3068\u3001\u30aa\u30da\u30a2\u30f3\u30d7\u7528\u306b 11.8V AC  \uff12\u56de\u8def\u3068\u3057\u3066\u4f7f\u3048\u3001\u4e2d\u70b9\u3092\u30a2\u30fc\u30b9\u306b\u3064\u306a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3000EL821 CasComp \u5358\u6bb5\u5dee\u52d5\u30d7\u30c3\u30b7\u30e5\u30d7\u30eb\u30a2\u30f3\u30d7<\/a>\u306e\u89e3\u8aac\u306b\u3001EL821 CasComp \u5358\u6bb5\u5dee\u52d5\u30d7\u30c3\u30b7\u30e5\u30d7\u30eb\u30a2\u30f3\u30d7<\/a>\u306e\u89e3\u8aac\u306b\u3001\u300c\u30aa\u30da\u30a2\u30f3\u30d7\u306e\uff0d\u5074\u306e\u6700\u5927\u632f\u5e45\u306e\u7d04\u534a\u5206\u300d\u3068\u306e\u3053\u3068\u306a\u306e\u3067\u3001AC 11.8V \uff12\u56de\u8def\u304b\u3089\u306a\u3089\u3001\u5341\u5206\u306a\u99c6\u52d5\u96fb\u5727\u304c\u78ba\u4fdd\u3067\u304d\u308b\u3060\u308d\u3046\u3002\u3000\u3055\u3089\u306b\u30015V 1.9A \u3092\u6574\u6d41\u3057\u3066\u30fc\u96fb\u6e90\u3068\u3059\u308c\u3070\u5b9a\u96fb\u6d41\u56de\u8def\u306b\u5fc5\u8981\u306a\u96fb\u5727\u3082\u78ba\u4fdd\u3067\u304d\u308b\u3002\u3000\u306a\u3093\u3068\u7d20\u6674\u3089\u3057\u3044\u3002<\/p>\n\n\n\n
\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u554f\u984c\u304c\u306a\u3044\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u3000CasComp \u5358\u6bb5\u5dee\u52d5\u30d7\u30c3\u30b7\u30e5\u30d7\u30eb\u30a2\u30f3\u30d7\u3067\u306f\u3001\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30bf\u30f3\u30b9\u304c\u8457\u3057\u304f\u9ad8\u3044\u305f\u3081\u3001\u524d\u5ddd\u3055\u3093\u306e \u4f5c\u4f8b\u3067\u306f\u3001\u5b89\u5b9a\u3057\u305fNFB \u3092\u304b\u3051\u308b\u305f\u3081\u306b\u3001\u72ed\u5e2f\u57df\u306e\u7279\u88fd\u51fa\u529b\u30c8\u30e9\u30f3\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002\u3000\u79c1\u304c\u4f7f\u7528\u3059\u308b\u30c8\u30e9\u30f3\u30b9\u306f\u5e83\u5e2f\u57df\u306e\u51fa\u529b\u30c8\u30e9\u30f3\u30b9\u306a\u306e\u3067\u3001\u3046\u307e\u304f\u3044\u304f\u304b\u3069\u3046\u304b\u30fb\u30fb\u30fb<\/p>\n\n\n\n
to be continued\u2026<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"
\u3044\u308d\u3044\u308d\u8abf\u3079\u3066\u3044\u305f\u3089\u3001ARITO’s Audio Lab \u306e\u524d\u5ddd\u6709\u4eba\u3055\u3093\u306e\u30da\u30fc\u30b8\u3067\u3001EL821 CasComp \u5358\u6bb5\u5dee\u52d5\u30d7\u30c3\u30b7\u30e5\u30d7\u30eb\u30a2\u30f3\u30d7 \u3092\u898b\u3064\u3051\u305f\u3002\u3000EL821 \u3082 12HG7\/12GN7A \u3068\u540c\u69d8\u306b\u6620\u50cf … \u7d9a\u304d\u3092\u8aad\u3080 12HG7\/12GN7A \u306f\u30e2\u30ce\u306b\u306a\u308b\u304b\uff1f\u3000\u69cb\u60f3\u7de8<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[211,214,10,3],"tags":[213],"_links":{"self":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1508"}],"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=1508"}],"version-history":[{"count":13,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1508\/revisions"}],"predecessor-version":[{"id":1652,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1508\/revisions\/1652"}],"wp:attachment":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1508"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}