{"id":3185,"date":"2023-11-28T14:00:59","date_gmt":"2023-11-28T05:00:59","guid":{"rendered":"https:\/\/www.kyu.kr\/?p=3185"},"modified":"2023-11-28T14:01:00","modified_gmt":"2023-11-28T05:01:00","slug":"12ax7-vs-lnd150-dfet","status":"publish","type":"post","link":"https:\/\/www.kyu.kr\/?p=3185","title":{"rendered":"12AX7 vs. LND150 DFET"},"content":{"rendered":"\n<p id=\"SE-b3ef8a31-041a-453a-b5e0-576acf8c191b\">\uacc4\uc18d \ud39c\ub354 \ud504\ub9b0\uc2a4\ud134 \uc570\ud504 \uc6b0\ub824\uba39\ub294 \ub0b4\uc6a9\uc785\ub2c8\ub2e4 ^^<\/p>\n\n\n\n<p id=\"SE-d7866dbf-bbb0-4df4-9d63-07cd322a2cc5\">\u200b\ubc1c\ub2e8\uc740 \ub108\ud29c\ube0c\uc5d0\uc11c \uae30\ud0c0 \uc570\ud504 12AX7 \uc790\ub9ac\uc5d0 LND150 DFET\uc744 \ub300\uc2e0 \ub123\uace0 \uc18c\ub9ac \uac70\uc758 \ub611\uac19\uc9c0?\ub77c\uace0 \ud558\ub294 \uc601\uc0c1\uc744 \ubcf8 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub798\uc11c \uc601\uc0c1\ucc98\ub7fc \uc544\ubb34\ub7f0 \uc2dc\uc815\uc218 \ubcc0\uacbd\uc5c6\uc774 \ub530\ub77c \ud574\ubd24\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1215\" height=\"2160\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/20231127_230440-1215x2160.jpg\" alt=\"\" class=\"wp-image-3186\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/20231127_230440-1215x2160.jpg 1215w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/20231127_230440-450x800.jpg 450w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/20231127_230440-84x150.jpg 84w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/20231127_230440-768x1365.jpg 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/20231127_230440-864x1536.jpg 864w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/20231127_230440-1152x2048.jpg 1152w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/20231127_230440-scaled.jpg 1440w\" sizes=\"auto, (max-width: 1215px) 100vw, 1215px\" \/><\/figure>\n<\/div>\n\n\n<p id=\"SE-09a91b59-7dcb-4a43-8ec0-212267713fee\">\ub0a9\ub55c\ud560 \ud544\uc694\ub3c4 \uc5c6\uc774 \uc801\ub2f9\ud788 \ub2e4\ub9ac\ub97c \ubc8c\ub824\uc11c \uaf42\uace0 \uc811\ucd09\uc740 \ucca0\uc0ac\uc758 \ud798\uc5d0 \uc758\ud574\uc11c \uc774\ub8e8\uc5b4\uc9c0\ub3c4\ub85d \ud588\uc2b5\ub2c8\ub2e4. \uc77c\ubc18 FET\uc640 \ub2ec\ub9ac 1\ubc88\ud540\ubd80\ud130 S-G-D\ub77c\uc11c \uc30d3\uadf9\uad00\uc758 K-G-A\uc5d0 \uc21c\uc11c\ub300\ub85c \uaf42\uae30\ub3c4 \ucc38 \ud3b8\ud569\ub2c8\ub2e4. \uc800\ub807\uac8c \ub450 \ub188\uc774 \uc11c\ub85c \ub9c8\uc8fc\ubcf4\uac8c \uaf42\uc73c\uba74 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p id=\"SE-248bd6d5-0be7-48b3-b269-f6855da03077\">\u200b\ud39c\ub354 \ud504\ub9b0\uc2a4\ud134 \uc570\ud504\ub294 \uc74c\ub7c9 \ubcfc\ub968 \ud558\ub098, Low pass (Treble cut \uc6a9\ub3c4) \ubcfc\ub968 \ud558\ub098\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ud074\ub9b0\ud1a4 \uc804\uc6a9\uc758 \uc544\uc8fc \uc624\ub798\ub41c \uc570\ud504\uc785\ub2c8\ub2e4. \uc81c\uac00 \ub9cc\ub4e0 \uc0d8\ud50c \ube4c\ub4dc\uc5d0\uc11c\ub294 1W \ucd9c\ub825 \uc2dc \uc774\ub7f0 \ud30c\ud615\uc774 \ub098\uc635\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_555.png\" alt=\"\" class=\"wp-image-3187\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_555.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_555-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_555-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p id=\"SE-f2234683-694a-4f44-acc0-a87c7755d3f8\">\uc544\uc8fc \uc791\uc740 \uae30\ud0c0 \ud53d\uc5c5\uc744 \uc99d\ud3ed\ud574\uc57c \ud558\ubbc0\ub85c 45dB\uc5d0 \uac00\uae4c\uc6b4 1KHz \uc751\ub2f5\uc785\ub2c8\ub2e4. \uc0ac\uc2e4 \uae30\ud0c0\uc5d0\uc11c \ub098\uc624\ub294 \uc785\ub825\uc740 40mVpp \ubcf4\ub2e4 \uc791\uc744 \uac83 \uac19\uc740\ub370 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uac00 \uc880 \ub9db\uc774 \uac14\ub294\uc9c0 40mVpp\ubcf4\ub2e4 \uc904\uc774\uba74 \ud654\uba74\uc774 \uc218\ud3c9 \uc2f1\ud06c\uac00 \uc548 \ub9de\uace0 \uc5b4\uc9c0\ub7ec\uc6cc\uc9d1\ub2c8\ub2e4. \uadf8\ub798\uc11c 40mVpp\ub97c \uc8fc\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p id=\"SE-bf52f71f-5c50-4b47-a629-ec3c37beeef3\">\u200b<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_552.png\" alt=\"\" class=\"wp-image-3188\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_552.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_552-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_552-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc704\uc758 12AX7\uc73c\ub85c 1W\ub97c \uc5bb\uc740 \ubcfc\ub968 \uc704\uce58\uc5d0\uc11c \uc9c4\uacf5\uad00\uc744 \ube7c\uace0 LND150\uc744 \uc7a5\ucc29 \ud6c4 \ucf1c\ubcf4\uc558\uc2b5\ub2c8\ub2e4. Gain\uc774 \uc5c4\uccad \ucee4\uc9c0\uba74\uc11c \ub2e4\ub978 \ud30c\ud615\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_556.png\" alt=\"\" class=\"wp-image-3189\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_556.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_556-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_556-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\ubcfc\ub968\uc744 \uc904\uc5ec\uc11c 1W \ucd9c\ub825\uc744 \ub9cc\ub4e4\uc5b4\ub3c4 \ud30c\ud615\uc774 \uc65c\uace1\uc774 \uc2ec\ud569\ub2c8\ub2e4. \uadf8\ub0e5 \uaf42\uc544\ub450\uc9c0 \ub9d0\uace0 \ub0a9\ub55c\uc744 \ud558\uba74 \uac1c\uc120\ub418\ub824\ub098\uc694?<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_557.png\" alt=\"\" class=\"wp-image-3190\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_557.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_557-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/scope_557-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p id=\"SE-52cd4ce6-477a-457e-bb11-519617c5dce0\">\uc544\ubb34\ud2bc \uae30\ud0c0\ub97c \uc5f0\uacb0\ud574\uc11c \uc18c\ub9ac\ub97c \ub4e4\uc5b4\ubcf4\ub2c8 \ubcc4 \ucc28\uc774\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uadf8\ub798\uc11c \ub179\uc74c\uc740 \ub2e4\uc2dc \ud558\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4. (\ud14c\ub7ec \ubc29\uc9c0) \uc774 \uc815\ub3c4 \uc74c\uc774\uba74 \uc9c4\uc9dc\ub85c \ube44\uc2fc 12AX7 \uc790\ub9ac\uc5d0 \uc120\ud0dd\uc801\uc73c\ub85c \ucc9c\uc6d0\ub3c4 \uc548 \ud558\ub294 LND150\uc744 \uc368\ub3c4 \ub418\uaca0\ub294\ub370? \uc774\ub7f0 \uc0dd\uac01\uc774 \ub4ed\ub2c8\ub2e4.<\/p>\n\n\n\n<p id=\"SE-ac0cc84f-4d42-443b-aafd-86d4cc5bb297\">\u200b\uc774\uc0c1 \ucd08\uac04\ub2e8 \uc2e4\ud5d8\uc774\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uacc4\uc18d \ud39c\ub354 \ud504\ub9b0\uc2a4\ud134 \uc570\ud504 \uc6b0\ub824\uba39\ub294 \ub0b4\uc6a9\uc785\ub2c8\ub2e4 ^^ \u200b\ubc1c\ub2e8\uc740 \ub108\ud29c\ube0c\uc5d0\uc11c \uae30\ud0c0 \uc570\ud504 12AX7 \uc790\ub9ac\uc5d0 LND150 DFET\uc744 \ub300\uc2e0 \ub123\uace0 \uc18c\ub9ac \uac70\uc758 \ub611\uac19\uc9c0?\ub77c\uace0 \ud558\ub294 \uc601\uc0c1\uc744 \ubcf8 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub798\uc11c \uc601\uc0c1\ucc98\ub7fc \uc544\ubb34\ub7f0 \uc2dc\uc815\uc218 \ubcc0\uacbd\uc5c6\uc774 \ub530\ub77c \ud574\ubd24\uc2b5\ub2c8\ub2e4. \ub0a9\ub55c\ud560 \ud544\uc694\ub3c4 \uc5c6\uc774 \uc801\ub2f9\ud788 \ub2e4\ub9ac\ub97c \ubc8c\ub824\uc11c \uaf42\uace0 \uc811\ucd09\uc740 \ucca0\uc0ac\uc758 \ud798\uc5d0 \uc758\ud574\uc11c \uc774\ub8e8\uc5b4\uc9c0\ub3c4\ub85d \ud588\uc2b5\ub2c8\ub2e4. \uc77c\ubc18 FET\uc640 \ub2ec\ub9ac 1\ubc88\ud540\ubd80\ud130 S-G-D\ub77c\uc11c \uc30d3\uadf9\uad00\uc758 K-G-A\uc5d0 \uc21c\uc11c\ub300\ub85c \uaf42\uae30\ub3c4 \ucc38 \ud3b8\ud569\ub2c8\ub2e4. &hellip;<br \/><a href=\"https:\/\/www.kyu.kr\/?p=3185\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\"><span class=\"screen-reader-text\">12AX7 vs. LND150 DFET<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":3186,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[453,108],"tags":[145,454,451,455],"class_list":["post-3185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-453","category-108","tag-12ax7","tag-fender","tag-lnd150","tag-princeton"],"_links":{"self":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3185"}],"version-history":[{"count":1,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3185\/revisions"}],"predecessor-version":[{"id":3191,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3185\/revisions\/3191"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/media\/3186"}],"wp:attachment":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}