{"id":1686,"date":"2022-04-30T20:07:38","date_gmt":"2022-04-30T11:07:38","guid":{"rendered":"https:\/\/www.kyu.kr\/?p=1686"},"modified":"2022-04-30T20:07:38","modified_gmt":"2022-04-30T11:07:38","slug":"c22-phono-%ec%95%b0%ed%94%84-60hz-hum-%ec%97%86%ec%95%a0%ea%b8%b0-%ea%b2%b0%ea%b5%ad%ec%9d%80-%ec%b0%a8%ed%8f%90%ea%b0%80-%eb%8b%b5","status":"publish","type":"post","link":"https:\/\/www.kyu.kr\/?p=1686","title":{"rendered":"C22 Phono \uc570\ud504 60Hz hum \uc5c6\uc560\uae30 (\uacb0\uad6d\uc740 \ucc28\ud3d0\uac00 \ub2f5)"},"content":{"rendered":"\n<p>\uc694\uc998\uc740 \ubb50 \ub0a9\ub55c\ud560\uac70 \uc5c6\ub098 \uad81\ub9ac\ub9cc \ud558\ub294 \uc2e0\uc138\ub77c \uc624\ub298\uc740 C22 Phono amp\uc758 B\uc804\uc555\uc774\ub098 \uc870\uc815\ud558\uace0 \uc120\uc815\ub9ac\ub098 \ud574\ubcfc\uae4c \ud558\uace0 \ub69c\uaed1\uc744 \uc5f4\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub7f0\ub370 \uc544\uc8fc \uc791\uac8c \ub0a8\uc544 \uc788\ub294 hum, \ubc14\ub85c 60Hz hum\uc744 \uc7a1\uc744 \uc218 \uc5c6\ub098 \uad81\ub9ac\ud558\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc77c\ub2e8 \uc785\ub825\uc774 \uc5c6\ub294 \uc0c1\ud0dc\uc5d0\uc11c \ucd9c\ub825\uc744 \uc2a4\ucf54\ud504\ub85c \ucc0d\uc5b4\ubd05\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/scope_0-1.png\" alt=\"\" class=\"wp-image-1687\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/scope_0-1.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/scope_0-1-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/scope_0-1-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>R\uc774 \ub178\ub780 \ucc44\ub110\uc774\uace0 Peak-peak\uac00 62mV \uc815\ub3c4\uc758 60Hz hum\uc774 \ub098\uc624\ub124\uc694. L\uc774 \ub179\uc0c9 \ucc44\ub110\uc774\uace0 \ub9ac\ud50c\uc774 \ub354 \ud07d\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173228-3840x2160.jpg\" alt=\"\" class=\"wp-image-1689\" width=\"960\" height=\"540\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173228-3840x2160.jpg 3840w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173228-800x450.jpg 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173228-150x84.jpg 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173228-768x432.jpg 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173228-1536x864.jpg 1536w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173228-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure><\/div>\n\n\n\n<p>\uacb0\uad6d\uc740 \uc570\ub9cc\uc0ac \uce74\ud398\uc5d0\uc11c \uc5b4\ub5a4 \ud68c\uc6d0\ub2d8\uc774 \uc54c\ubbf8\ub284\ud310\uc73c\ub85c \uaca9\ubcbd\uc744 \uc124\uce58\ud558\uc2e0 \uac83\uc744 \ubcf4\uace0 \ubc14\ub85c \uc8fc\ubb38\ud588\uc9c0\ub9cc \uc548 \uc4f0\uace0 \uc788\ub358 \uc54c\ubbf8\ub284 \ud310\uc744 \ub5a0\uc62c\ub838\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173212-3840x2160.jpg\" alt=\"\" class=\"wp-image-1690\" width=\"960\" height=\"540\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173212-3840x2160.jpg 3840w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173212-800x450.jpg 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173212-150x84.jpg 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173212-768x432.jpg 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173212-1536x864.jpg 1536w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_173212-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure><\/div>\n\n\n\n<p>\uc2a4\ucf54\ud504 \ud654\uba74\uc5d0\uc11c \ubc14\ub85c \ub9ac\ud50c\uc774 \uc5c6\uc5b4\uc84c\uc2b5\ub2c8\ub2e4! 60Hz noise\uac00 \uadf8\ub77c\uc6b4\ub4dc\ub098 \uc804\uc6d0\uc744 \ud0c0\uace0 \ub4e4\uc5b4\uc624\ub294\uac8c \uc544\ub2c8\uace0 220V inlet\uc5d0\uc11c \uc548\ud14c\ub098\ucc98\ub7fc \ubc1c\uc0ac\ub418\ub294 \uc885\ub958\uc778\uac00 \ubd05\ub2c8\ub2e4. 220V inlet\uc774 \uc788\ub294 \ub4b7\ud310\uacfc \uc54c\ubbf8\ub284\ud310\uc774 \uc870\uae08\ub9cc \ub5a8\uc5b4\uc838\ub3c4 \ub2e4\uc2dc \ub9ac\ud50c\uc774 \uc0dd\uae30\ub294 \uac83\uc744 \ubcf4\ub2c8 \ud655\uc2e4\ud55c \uac83 \uac19\uc2b5\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uc54c\ubbf8\ub284 \ud310\uc744 \uc0e4\uc2dc\uc640 \ubc00\ucc29\uc2dc\ud0a4\ub294 \uac83\uc774 \uc911\uc694\ud558\uace0, \uc774\ub7f0 \uacbd\uc6b0 \uc2a4\ud06c\ub8e8\ub85c \uc870\uc5ec\ub3c4 \ud2c8\uc774 \uc788\uc744 \uc218 \uc788\uc73c\ub2c8, \uc2a4\ud06c\ub8e8 \uccb4\uacb0\ubcf4\ub2e4\ub294 \ub3d9 \ud14c\uc774\ud504\ub85c \ubc14\ub974\ub294 \uac83\uc774 \ub2f5\uc774 \ub418\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_181829-3840x2160.jpg\" alt=\"\" class=\"wp-image-1691\" width=\"960\" height=\"540\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_181829-3840x2160.jpg 3840w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_181829-800x450.jpg 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_181829-150x84.jpg 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_181829-768x432.jpg 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_181829-1536x864.jpg 1536w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/20220430_181829-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure><\/div>\n\n\n\n<p>\uc0ac\uc9c4\uc744 \ub9ce\uc774 \uc548 \ucc0d\uc5c8\ub294\ub370 \uc54c\ubbf8\ub284\ud310\uc758 \ub4a4\ucabd\uc5d0\ub3c4 \ub3d9 \ud14c\uc774\ud504\ub85c \uc570\ud504\uc758 \ub4b7\ud310\uc5d0 \ubd99\uc774\uace0 \uc544\ub798\ucabd\ub3c4 \ub3d9 \ud14c\uc774\ud504\ub97c \ubc1c\ub77c\uc11c 220V inlet\uc774 \ubc1c\uc0ac\ud558\ub294 60Hz noise\ub97c \uae30\ud310\uacfc \ucc28\ub2e8\uc2dc\ucf30\uc2b5\ub2c8\ub2e4. \uc774\ub9ac \uc800\ub9ac \uc2dc\ud5d8\uc744 \ud574\ubd24\ub294\ub370 \uc804\uc6d0 \ud2b8\ub79c\uc2a4, \uc804\uc6d0 \ubcf4\ub4dc \ucabd\uc5d0\uc11c\ub294 \ub178\uc774\uc988 \uc720\uc785\uc774 \uc5c6\ub294 \uac83\uc73c\ub85c \ud310\ub2e8\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ud639\uc2dc\ub098 \ud558\uace0 \uc811\uc9c0\uc120\uc744 \uc5f0\uacb0\ud558\uae30 \uc704\ud55c \uad6c\uba4d\ub3c4 \ud558\ub098 \ub6ab\uc5b4\uc11c \ub098\uc0ac\ub3c4 \ub2ec\uc544\ub1a8\uc9c0\ub9cc \uc4f8 \ud544\uc694\ub294 \uc5c6\ub124\uc694. \uc774 \uc54c\ubbf8\ub284 \ud310\uc740 1T \uc9dc\ub9ac\ub77c\uc11c \uc6cc\ub099 \uac00\ubcbc\uc6cc \ub3d9 \ud14c\uc774\ud504\uc758 \uc811\ucc29\ub825\ub9cc\uc73c\ub85c\ub3c4 \uacc4\uc18d \ubd99\uc5b4\uc788\uc744 \uac83\uc73c\ub85c \uc0dd\uac01\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/scope_1-3.png\" alt=\"\" class=\"wp-image-1692\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/scope_1-3.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/scope_1-3-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/04\/scope_1-3-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>\ucc44\ub110 2\uac00 \ub354 \ub9ac\ud50c\uc774 \ucef8\ub294\ub370 pk-pk\uac00 10mV\ub85c \ub098\uc624\ub124\uc694. Freq\ub3c4 60Hz\uac00 \uc544\ub2d9\ub2c8\ub2e4. 60Hz hum\uc740 \uc7a1\uc740 \uac83 \uac19\uc2b5\ub2c8\ub2e4. \uc18c\ub9ac\ub97c \ub4e4\uc5b4\ubcf4\ub2c8 \uacfc\uc5f0 \uc2a4\ud53c\ucee4\uc5d0 \uadc0\ub97c \ubc14\uc9dd \uac00\uc838\uac00\ub3c4 \uc544\ubb34 \uac83\ub3c4 \ub4e4\ub9ac\uc9c0 \uc54a\ub294\uad70\uc694 ^^<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc694\uc998\uc740 \ubb50 \ub0a9\ub55c\ud560\uac70 \uc5c6\ub098 \uad81\ub9ac\ub9cc \ud558\ub294 \uc2e0\uc138\ub77c \uc624\ub298\uc740 C22 Phono amp\uc758 B\uc804\uc555\uc774\ub098 \uc870\uc815\ud558\uace0 \uc120\uc815\ub9ac\ub098 \ud574\ubcfc\uae4c \ud558\uace0 \ub69c\uaed1\uc744 \uc5f4\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub7f0\ub370 \uc544\uc8fc \uc791\uac8c \ub0a8\uc544 \uc788\ub294 hum, \ubc14\ub85c 60Hz hum\uc744 \uc7a1\uc744 \uc218 \uc5c6\ub098 \uad81\ub9ac\ud558\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc77c\ub2e8 \uc785\ub825\uc774 \uc5c6\ub294 \uc0c1\ud0dc\uc5d0\uc11c \ucd9c\ub825\uc744 \uc2a4\ucf54\ud504\ub85c \ucc0d\uc5b4\ubd05\ub2c8\ub2e4. R\uc774 \ub178\ub780 \ucc44\ub110\uc774\uace0 Peak-peak\uac00 62mV \uc815\ub3c4\uc758 60Hz hum\uc774 \ub098\uc624\ub124\uc694. L\uc774 \ub179\uc0c9 \ucc44\ub110\uc774\uace0 \ub9ac\ud50c\uc774 \ub354 \ud07d\ub2c8\ub2e4. \uacb0\uad6d\uc740 &hellip;<br \/><a href=\"https:\/\/www.kyu.kr\/?p=1686\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\"><span class=\"screen-reader-text\">C22 Phono \uc570\ud504 60Hz hum \uc5c6\uc560\uae30 (\uacb0\uad6d\uc740 \ucc28\ud3d0\uac00 \ub2f5)<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":1687,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[137,113],"class_list":["post-1686","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-108","tag-60hz-hum","tag-c22-phono"],"_links":{"self":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/1686","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=1686"}],"version-history":[{"count":1,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/1686\/revisions"}],"predecessor-version":[{"id":1693,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/1686\/revisions\/1693"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/media\/1687"}],"wp:attachment":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}