{"id":3138,"date":"2023-11-15T14:36:05","date_gmt":"2023-11-15T05:36:05","guid":{"rendered":"https:\/\/www.kyu.kr\/?p=3138"},"modified":"2023-11-15T14:36:05","modified_gmt":"2023-11-15T05:36:05","slug":"audio-research-ls7-%ec%8b%9c%eb%ae%ac%eb%a0%88%ec%9d%b4%ec%85%98","status":"publish","type":"post","link":"https:\/\/www.kyu.kr\/?p=3138","title":{"rendered":"Audio Research LS7 \uc2dc\ubbac\ub808\uc774\uc158"},"content":{"rendered":"\n<p>\uc88b\uc740 \uc624\ub514\uc624\ub97c \uc368\ubcf8 \uc801\uc774 \uc5c6\uc5b4\uc11c \uc798 \ubaa8\ub974\uc9c0\ub9cc \uc720\uba85\ud55c \ud504\ub9ac\uc570\ud504\uc778\uac00 \ubd05\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1071\" height=\"824\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-3.png\" alt=\"\" class=\"wp-image-3140\" style=\"width:1071px;height:auto\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-3.png 1071w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-3-800x615.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-3-150x115.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-3-768x591.png 768w\" sizes=\"auto, (max-width: 1071px) 100vw, 1071px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc704\uc640 \uac19\uc740 \ud68c\ub85c\uc778\ub370 38.3\uc634, 5.96K \uac19\uc740 \ud2b9\uc774\ud55c \uac12\uc774 \ubcf4\uc5ec\uc11c \ud765\ubbf8\ub85c\uc6e0\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc800\ub7f0 \uac12\uc758 \uc800\ud56d\uc744 \uc0b4 \uc218\ub294 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \uc544\ub798\uc640 \uac19\uc774 \uc2dc\ubbac\ub808\uc774\uc158 \ud574\ubd24\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1196\" height=\"869\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-4.png\" alt=\"\" class=\"wp-image-3141\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-4.png 1196w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-4-800x581.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-4-150x109.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-4-768x558.png 768w\" sizes=\"auto, (max-width: 1196px) 100vw, 1196px\" \/><\/figure>\n<\/div>\n\n\n<p>\ub180\ub78d\uac8c\ub3c4 19.6K\uac19\uc740 \uac12\uc740 \ud314\ub354\uad70\uc694. \uadf8\ub9ac\uace0 6603 JFET\ub85c \uc815\uc804\ub958\ub97c \ud758\ub9ac\ub294\ub370 LTspice\uc5d0 \uadf8\uac8c \uc5c6\uc5b4\uc11c \ub300\uc2e0\uc5d0 2N5484\ub97c \ub123\uc5c8\uace0 38.3\uc634 \uc790\ub9ac\uc5d0\ub294 \uac00\ubcc0\uc800\ud56d\uc744 \ub123\uc5b4\uc11c \uc5b4\ub5bb\uac8c \ubc14\ub00c\ub294\uc9c0 \ubcf4\ub824\uace0 \ud588\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n<p>.step param gain 0 1 0.25\ub77c\ub294 \uba85\ub839\uc740 100\uc634\uc9dc\ub9ac \uac00\ubcc0\uc800\ud56d\uc5d0\uc11c \uc800\ud56d\ube44\ub97c 0\ubd80\ud130 1\uae4c\uc9c0 0.25\ub2e8\uc704\ub85c \ubc14\uafb8\ub77c\ub294 \uba85\ub839\uc785\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc790\ub3d9 \ubc18\ubcf5\uc774 \ub418\uace0 \uc544\ub798 \uacb0\uacfc\uac00 \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=\"660\" height=\"879\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-5.png\" alt=\"\" class=\"wp-image-3142\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-5.png 660w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-5-601x800.png 601w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/11\/image-5-113x150.png 113w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/figure>\n<\/div>\n\n\n<p>\ub9e8 \uc704\ub294 JFET\ub85c \ud750\ub974\ub294 \uc804\ub958\uc774\uace0 \ub098\uba38\uc9c0\ub294 \uc2a4\ud14c\uc774\uc9c0\ubcc4 \uc804\uc555\uc778\ub370 \uc7ac\ubbf8\uc788\ub294(?) \uac83\uc740 \ucd9c\ub825 \uac8c\uc778\uc740 \ud56d\uc0c1 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ub179\uc0c9-\ud30c\ub780\uc0c9-\ube68\uac04\uc0c9-Cyan-Magenta \uc0c9\uae54 \uc21c\uc11c\ub300\ub85c \uac00\ubcc0\uc800\ud56d\ube44 0-0.25-0.5-0.75-1.0\uc778\ub370 \ub9d0\uc774\uc8e0. \uadf8\ub798\uc11c \ubb54 \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \ubd24\ub354\ub2c8 THD\uc758 \ucc28\uc774\uac00 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>Total Harmonic Distortion: 0.012374%(0.012373%) <\/p>\n\n\n\n<p>Total Harmonic Distortion: 0.004129%(0.004126%) <\/p>\n\n\n\n<p>Total Harmonic Distortion: 0.004845%(0.004843%) <\/p>\n\n\n\n<p>Total Harmonic Distortion: 0.005596%(0.005595%) <\/p>\n\n\n\n<p>Total Harmonic Distortion: 0.010988%(0.010987%)<\/p>\n\n\n\n<p>38.4\uc634\uc744 \ud14c\uc2a4\ud2b8\ud574\ubcf4\uba74 0.0047%\ub85c \ucd5c\uc801\uc758 THD \uac12\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uc544\ub9c8\ub3c4 JFET\uac00 \ub2e4\ub978 \uac83\uc73c\ub85c \uc2dc\ubbac\ub808\uc774\uc158\ub418\uc5c8\uae30 \ub54c\ubb38\uc77c \uc218 \uc788\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\uc0c1 \uc624\ub298\uc758 \uc6d4\uae09\ub8e8\ud321 \uc9d3\uc774\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc88b\uc740 \uc624\ub514\uc624\ub97c \uc368\ubcf8 \uc801\uc774 \uc5c6\uc5b4\uc11c \uc798 \ubaa8\ub974\uc9c0\ub9cc \uc720\uba85\ud55c \ud504\ub9ac\uc570\ud504\uc778\uac00 \ubd05\ub2c8\ub2e4. \uc704\uc640 \uac19\uc740 \ud68c\ub85c\uc778\ub370 38.3\uc634, 5.96K \uac19\uc740 \ud2b9\uc774\ud55c \uac12\uc774 \ubcf4\uc5ec\uc11c \ud765\ubbf8\ub85c\uc6e0\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc800\ub7f0 \uac12\uc758 \uc800\ud56d\uc744 \uc0b4 \uc218\ub294 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \uc544\ub798\uc640 \uac19\uc774 \uc2dc\ubbac\ub808\uc774\uc158 \ud574\ubd24\uc2b5\ub2c8\ub2e4. \ub180\ub78d\uac8c\ub3c4 19.6K\uac19\uc740 \uac12\uc740 \ud314\ub354\uad70\uc694. \uadf8\ub9ac\uace0 6603 JFET\ub85c \uc815\uc804\ub958\ub97c \ud758\ub9ac\ub294\ub370 LTspice\uc5d0 \uadf8\uac8c \uc5c6\uc5b4\uc11c \ub300\uc2e0\uc5d0 2N5484\ub97c \ub123\uc5c8\uace0 38.3\uc634 \uc790\ub9ac\uc5d0\ub294 \uac00\ubcc0\uc800\ud56d\uc744 \ub123\uc5b4\uc11c \uc5b4\ub5bb\uac8c \ubc14\ub00c\ub294\uc9c0 \ubcf4\ub824\uace0 \ud588\uc2b5\ub2c8\ub2e4. &hellip;<br \/><a href=\"https:\/\/www.kyu.kr\/?p=3138\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\"><span class=\"screen-reader-text\">Audio Research LS7 \uc2dc\ubbac\ub808\uc774\uc158<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":3139,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[447,448],"class_list":["post-3138","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-108","tag-audio-research","tag-ls7"],"_links":{"self":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3138","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=3138"}],"version-history":[{"count":1,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3138\/revisions"}],"predecessor-version":[{"id":3143,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3138\/revisions\/3143"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/media\/3139"}],"wp:attachment":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}