{"id":3092,"date":"2023-10-28T09:27:05","date_gmt":"2023-10-28T00:27:05","guid":{"rendered":"https:\/\/www.kyu.kr\/?p=3092"},"modified":"2023-10-28T09:27:06","modified_gmt":"2023-10-28T00:27:06","slug":"%ec%97%ac%eb%9f%ac%eb%aa%a8%eb%a1%9c-%eb%b6%88%eb%a7%8c%ec%a1%b1%ec%8a%a4%eb%9f%ac%ec%9a%b4-mullard-5-10-%ec%95%b0%ed%94%84-%eb%8f%84%ec%a0%84","status":"publish","type":"post","link":"https:\/\/www.kyu.kr\/?p=3092","title":{"rendered":"\uc5ec\ub7ec\ubaa8\ub85c \ubd88\ub9cc\uc871\uc2a4\ub7ec\uc6b4 Mullard 5-10 \uc570\ud504 \ub3c4\uc804"},"content":{"rendered":"\n<p>\ub2e4\ub978 \uacf3\uc5d0 \ub3c4\ubc30\ud558\ub2e4\uc2dc\ud53c \uae00\uc744 \uc62c\ub838\ub294\ub370 \uacb0\uad6d \uc131\uacf5\uc740 \ubabb\ud558\uace0 \uc811\uc744 \ub4ef \ud558\uc5ec \uc815\ub9ac\uae00\uc744 \uc368\ubd05\ub2c8\ub2e4. \uc544\uc9c1 \ud328\uc2dc\ube0c EQ \ubcf4\ub4dc\ub294 \ub3c4\ucc29\ud558\uc9c0 \uc54a\uc558\uc9c0\ub9cc\uc694.<\/p>\n\n\n\n<p>\ub9e8 \ucc98\uc74c\uc5d0 \uc2dc\uc791\ud55c \uac83\uc740 \ub2f9\uc5f0\ud788 \uc6d0\uc804 \ud68c\ub85c\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2150\" height=\"1202\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-21.png\" alt=\"\" class=\"wp-image-3093\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-21.png 2150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-21-800x447.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-21-150x84.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-21-768x429.png 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-21-1536x859.png 1536w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-21-2048x1145.png 2048w\" sizes=\"auto, (max-width: 2150px) 100vw, 2150px\" \/><\/figure>\n\n\n\n<p>V1 EF86 \uc67c\ucabd\uc740 \uc785\ub825 \uc2e0\ud638\ub97c 1\/10 \uc774\ud558\ub85c \uac10\uc1c4\uc2dc\ud0a4\ub294 \ud1a4 EQ\uc785\ub2c8\ub2e4. PCB\ub97c \ub5a0\uc11c \uc8fc\ubb38\ud588\ub294\ub370 \uc544\uc9c1 \uc624\uc9c0\ub294 \uc54a\uc558\uace0 \uc2dc\ubbac \ud574\ubcf4\uba74 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4. 1V \uc785\ub825\uc744 \uc8fc\uba74 70mV \uc815\ub3c4\ub85c \uc904\uc5b4\ub4e4\uba74\uc11c Treble\/Bass \uc870\uc808\uc744 \ud574\uc8fc\uace0 10W \uc570\ud504\ub294 \uc774\uac83\uc744 100\ubc30 \uc774\uc0c1\uc73c\ub85c \uc99d\ud3ed\ud574\uc90d\ub2c8\ub2e4<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"959\" height=\"1032\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-22.png\" alt=\"\" class=\"wp-image-3094\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-22.png 959w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-22-743x800.png 743w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-22-139x150.png 139w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-22-768x826.png 768w\" sizes=\"auto, (max-width: 959px) 100vw, 959px\" \/><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1544\" height=\"820\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-23.png\" alt=\"\" class=\"wp-image-3095\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-23.png 1544w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-23-800x425.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-23-150x80.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-23-768x408.png 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-23-1536x816.png 1536w\" sizes=\"auto, (max-width: 1544px) 100vw, 1544px\" \/><\/figure>\n\n\n\n<p>\uc6d0\uc804 \ud68c\ub85c \uac70\uc758 \uadf8\ub300\ub85c \ub9cc\ub4e4\uc5b4 \ubcf4\uc558\uc73c\ub098 \uc5c4\uccad\ub09c \ubc29\uad6c\uc18c\ub9ac\uc640 \ubc1c\uc9c4\uc5d0 \uc2dc\ub2ec\ub838\uc2b5\ub2c8\ub2e4. \uc544\ub798 \uadf8\ub9bc\uc758 \uacbd\uc6b0\ub294 \uc785\ub825 80mVpp\uae4c\uc9c0\ub294 \ubc84\ud2f0\ub2e4\uac00 100mVpp\uac00 \ub418\ub294 \uc21c\uac04\ubd80\ud130 \uc800\ub7f0 \uc2dd\uc758 \ubc1c\uc9c4\uc774 \ub098\uc624\ub294 \uacbd\uc6b0\uc785\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\/10\/scope_489.png\" alt=\"\" class=\"wp-image-3098\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_489.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_489-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_489-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc9c0\uae08 \uc0dd\uac01\ud574\ubcf4\uba74 \ubbf8\ubd84\ud615 \uc704\uc0c1\ubcf4\uc815\uc6a9 \ucea1\uc744 \uc81c\uac70\ud574\ubd24\uc73c\uba74 \ud574\uacb0\ub410\uc744\ud150\ub370 \uadf8\ub7ec\uae30\uc5d4 \ub108\ubb34 \uba3c \uae38\uc744 \ub3cc\uc544\uc654\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n<p>\uace0\uc218\ub2d8\ub4e4\uaed8 \ub3c4\uc6c0\uc744 \uccad\ud588\uace0 C11\/C12\uc5d0 \ub300\ud55c \uc9c0\uc801\uc774 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub798\uc11c \uc544\ub798\uc640 \uac19\uc774 \uc2dc\ub3c4\ud574 \ubcf4\uc558\uace0 \uac1c\uc120\uc774 \uc880 \uc788\uc5c8\uc73c\ub098 \ubc29\uad6c\uc18c\ub9ac\ub294 \uc5ec\uc804\ud588\uace0 \ubc29\uad6c\uc18c\ub9ac\uac00 \uac00\uc2e0 \ud6c4\uc5d0 \uc548\uc815\ub41c \ud30c\ud615\uc744 \uc2a4\ucf54\ud504\ub85c \ub4e4\uc5ec\ub2e4\ubcf4\uba74 \ubbf8\uc138\ud558\uac8c \ud30c\ud615\uc774 \ub5a8\ub9ac\ub294 \uac83\uc774 \uc5ec\uc804\ud788 \ubd88\uc548\uc815 \uc0c1\ud0dc\ub85c \ubcf4\uc774\uae34 \ud588\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"605\" height=\"826\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-24.png\" alt=\"\" class=\"wp-image-3096\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-24.png 605w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-24-586x800.png 586w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-24-110x150.png 110w\" sizes=\"auto, (max-width: 605px) 100vw, 605px\" \/><\/figure>\n<\/div>\n\n\n<p>\ud558\uc9c0\ub9cc \uc74c\uc545\uc744 \ub4e4\uc744 \uc218\ub294 \uc788\uc5c8\uace0 \uc5ec\uae30\uc11c \uba48\ucd94\ub824\uace0 \ud588\uc73c\ub098 EF86\uc744 3\uacb0\ub85c \ubc14\uafb8\uba74 Gain\uc774 \uc880 \ub0ae\uc544\uc9c0\uba74\uc11c \ud574\uacb0\uc774 \ub420\uae4c \uc2f6\uc5b4 3\uacb0\ub85c \uac00\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=\"1842\" height=\"1206\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-25.png\" alt=\"\" class=\"wp-image-3097\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-25.png 1842w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-25-800x524.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-25-150x98.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-25-768x503.png 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-25-1536x1006.png 1536w\" sizes=\"auto, (max-width: 1842px) 100vw, 1842px\" \/><\/figure>\n<\/div>\n\n\n<p>\ud558\uc9c0\ub9cc \uc785\ub825 \ub808\ubca8\uc744 \ub9ce\uc774 \ub192\uc5ec\ubcf4\uba74 \ubc1c\uc9c4\uc774 \uc0dd\uae30\ub294 \uac83\uc740 \uc5ec\uc804\ud588\uace0 \uadf8 \uc6d0\uc778\uc744 \uc5c4\uccad\ub098\uac8c \ud070 NFB\ub85c \uc758\uc2ec\ud558\uae30 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4. NFB \uc5f0\uacb0\uc744 \ub04a\uc5b4\ubcf4\uba74 \uc544\ub798\uc640 \uac19\uc774 \ucee4\ub2e4\ub780 \ub179\uc0c9  \ud30c\ud615\uc774, \uadf8\uac83\ub3c4 \uc815\ud604\ud30c\ub3c4 \uc544\ub2cc \uac83\uc774 \ub098\uc635\ub2c8\ub2e4. \uc774\uac78 \ub418\uba39\uc5ec\uc11c \uc815\ud604\ud30c\uac00 \uae68\ub057\ud558\uac8c \uc5bb\uc5b4\uc9c8\ub9ac \uc5c6\ub2e4\uace0 \uc0dd\uac01\ud588\uc2b5\ub2c8\ub2e4. NFB\uc774\uc9c0\ub9cc \ubd80\ubd84\ubd80\ubd84\uc5d0 \ub530\ub77c\uc11c\ub294 PFB\uac00 \ub418\ub294 \uc218\ub3c4 \uc788\uc744 \uac83 \uac19\uc558\uace0 \uadf8\uac8c \uacc4\uc18d \ub3cc\uba74 \uc77c\uc885\uc758 locked loop\ucc98\ub7fc \uc791\ub3d9\ud558\ub294\uac8c \uc544\ub2d0\uae4c? \uc774\ub7f0 \ub9dd\uc0c1\uc744 \ud558\uae30 \uc2dc\uc791\ud55c\uac70\uc8e0.<\/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\/10\/scope_495.png\" alt=\"\" class=\"wp-image-3101\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_495.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_495-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_495-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\uadf8\ub7ec\ub2e4 \uc0dd\uac01\ud55c \uac83\uc774 EL84\ub3c4 3\uacb0\ub85c \ubc14\uafd4\ubcf4\uc790, \uc774\uac70\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>EL84 3\uacb0\uc758 \uacbd\uc6b0 OPT\ub294 10K, \uce90\uc18c\ub4dc \uc800\ud56d\uc740 560\uc634\uc744 \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\uc11c \uad8c\uc7a5\ud558\uace0 \uc788\ub294\ub370 Hammond 125E\uac00 8.2K \ub2e4\uc74c \ud0ed\uc774 11.6K\ub77c\uc11c \uc5b4\ub290 \ucabd\uc73c\ub85c \uac08\uae4c \ud558\ub2e4\uac00 \uadf8\ub0e5 5\uacb0\uc5d0\uc11c \uc37c\ub358 8.2K\ub97c \uadf8\ub0e5 \uc4f0\uae30\ub85c \ud558\uace0 \uce90\uc18c\ub4dc \uc800\ud56d\ub3c4 3W\uae09 \uc774\uc0c1\uc758 560\uc634\uc774 \uc5c6\uc5b4\uc11c 470\uc634\uc744 \ubd99\uc600\uc2b5\ub2c8\ub2e4. \ubb54\uac00 \uacc4\uc0b0\uc744 \ud574\ubcf4\uace0 \ud55c \uac83\uc740 \uc544\ub2c8\uace0 \ub300\uac15\ub300\uac15 \uc788\ub294 \uac83\uc744 \uc4f4\ub2e4\ub294 \uc8fc\uc758\uc785\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1835\" height=\"1167\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-28.png\" alt=\"\" class=\"wp-image-3102\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-28.png 1835w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-28-800x509.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-28-150x95.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-28-768x488.png 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-28-1536x977.png 1536w\" sizes=\"auto, (max-width: 1835px) 100vw, 1835px\" \/><\/figure>\n<\/div>\n\n\n<p>\ub9e8 \ucc98\uc74c\uc5d0 R11\uc744 10K\ub97c \ubd99\uc774\uace0 \uadc0\ucc2e\uc544\uc11c C3\uc744 \uc548 \ubd99\uc600\uc744 \ub54c \ubc1c\uc9c4\uc774 \uc5c6\ub294 \uac83\uc744 \ud655\uc778\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ubc29\ud615\ud30c\uc5d0\uc11c \ubcf4\uc774\ub294 ringing\uc744 \uc5c6\uc560\uae30 \uc704\ud574 C3\ub97c \ubbf8\ubd84\ud615 \uc704\uc0c1\ubcf4\uc815\uc73c\ub85c \ucd94\uac00\ud588\uc744 \ub54c \ub2e4\uc2dc \ubc1c\uc9c4\uc774 \uc0dd\uae30\ub294 \uac83\uc744 \uc54c\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uacb0\uad6d \uc81c\uac00 \ub9cc\ub4e0 \uc774 \uc138\ud2b8\uc5d0\uc11c\ub294 C3\uac00 \ubc1c\uc9c4\uc758 \uc5f4\uc1e0\ub97c \uac00\uc9c0\uace0 \uc788\ub294 \uac83 \uac19\uc2b5\ub2c8\ub2e4. \ub2e4\ub978 \ubd84\uc774 \ub2e4\ub978 \uc0e4\uc2dc\uc5d0\uc11c \ube4c\ub4dc\ud574\ubcf4\uc2dc\uba74 \ub2e4\ub978 \uacb0\uacfc\uac00 \ub098\uc62c \uc218\ub3c4 \uc788\uaca0\uc8e0.<\/p>\n\n\n\n<p>\uc544\ubb34\ud2bc \uc774 \uc570\ud504\uc5d0 \ubaa9\uc744 \ub9ec \uc774\uc720\ub294 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \ub2e4\uc2dc \uc6d0\uc804\ud68c\ub85c\ub85c \ub3cc\uc544\uac00\uc11c C3\ub97c \uc2dc\ud5d8\ud574\ubcf4\uc9c0\ub294 \uc54a\uc744 \uc0dd\uac01\uc785\ub2c8\ub2e4. \ud604\uc7ac \uc0c1\ud0dc\uc5d0\uc11c \uce21\uc815 \uae30\ub85d\ub9cc \ub0a8\uaca8\ub450\uace0 EF86\/EL84 \ubaa8\ub450 3\uacb0\ub85c \ud55c \uc694\uc0c1\ud55c \uad6c\uc131\uc73c\ub85c \uba48\ucd94\uae30\ub85c \ud569\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\/10\/scope_497.png\" alt=\"\" class=\"wp-image-3103\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_497.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_497-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_497-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>1W \ucd9c\ub825\uc740 \uc57d 90mVpp \uc785\ub825\uc744 \uc904 \ub54c \uc5bb\uc5b4\uc9d1\ub2c8\ub2e4. \uadc0\ucc2e\uc544\uc11c \uadf8\ub0e5 100mVpp \uc785\ub825\uc73c\ub85c \uce21\uc815\ud574\ubd05\ub2c8\ub2e4. \ud574\ubaac\ub4dc OPT\uac00 \uc800\uc5ed\ud2b9\uc131\uc774 \uc88b\uc740 \ub3c4\ub780\uc2a4\ub294 \uc544\ub2cc\ub370 (150 Hz. &#8211; 15 Khz at full rated power (+\/- 1db max. ref. 1 Khz) \uc2a4\ud399\uc744 \uacb8\uc190\ud558\uac8c \uc368 \ub193\uc740 \uac83 \uac19\uc2b5\ub2c8\ub2e4. 20Hz\uc5d0\uc11c\ub3c4 \ud30c\ud615\uc774 \uc608\uc0c1\ubcf4\ub2e4\ub294 \ub098\uc058\uc9c0 \uc54a\uc2b5\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\/10\/scope_507.png\" alt=\"\" class=\"wp-image-3104\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_507.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_507-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_507-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc800 ringing\uc774 \ubb38\uc81c\uc778\ub370 \ubbf8\ubd84\ud615 \uc704\uc0c1\ubcf4\uc815\uc744 \ud558\uba74 \uc27d\uac8c \uc5b5\ub204\ub97c \uc218 \uc788\uc73c\ub098 \ubc1c\uc9c4\uc774 \uc0dd\uae30\ub2c8 ringing\uc744 \ucc38\ub294 \ud3b8\uc774 \ub354 \ud604\uc2e4\uc801\uc785\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\/10\/scope_515.png\" alt=\"\" class=\"wp-image-3106\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_515.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_515-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_515-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\ud074\ub9ac\ud551\uc740 \uc785\ub825\uc774 200mVpp\ubcf4\ub2e4 \ucee4\uc9c0\uba74 \ubc1c\uc0dd\ud558\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4. \ud504\ub9ac\uc570\ud504 \uc5c6\uc774 \ud604\ub300\uc758 \uc18c\uc2a4 \uae30\uae30\ub97c \uc4f0\ub824\uba74 \uc6d0\uc804\uc5d0 \ub098\uc628 \ud328\uc2dc\ube0c EQ\uac00 \uc788\uc5b4\uc57c \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\/10\/scope_516.png\" alt=\"\" class=\"wp-image-3107\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_516.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_516-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_516-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>-75dBV\uba74 \ubc30\uc74c\uc740 \uc5c6\ub2e4\uace0 \ubcf4\uba74 \ub420 \uac83 \uac19\uace0\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\/10\/scope_517.png\" alt=\"\" class=\"wp-image-3108\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_517.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_517-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/scope_517-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>FRA\ub294 \uc704\uc640 \uac19\uc2b5\ub2c8\ub2e4. \uac70\uc758 \ud574\uba3c\ub4dc OPT\uc758 \ud2b9\uc131\uc77c\ud150\ub370 \uace0\uc5ed\ucabd\uc740 \uac1c\ub2f9 50\ubd88\uc9dc\ub9ac OPT\uce58\uace0\ub294 \uc88b\uc740\uac8c \uc544\ub2d0\uae4c \ud569\ub2c8\ub2e4. \uc0b4\uc9dd 1dB \uc815\ub3c4 \uc704\ub85c \ub728\ub294 \uac83\ub3c4 \ubcf4\uc774\uae34 \ud558\uc9c0\ub9cc \uc2e4\uccad\uc74c\uc5d0\uc11c\ub294 \ubaa8\ub974\uaca0\uc2b5\ub2c8\ub2e4. \uc800\uc5ed\ub3c4 30Hz\uae4c\uc9c0\ub294 \uc88b\ub2e4\uace0 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1013\" height=\"512\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-29.png\" alt=\"\" class=\"wp-image-3109\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-29.png 1013w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-29-800x404.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-29-150x76.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/10\/image-29-768x388.png 768w\" sizes=\"auto, (max-width: 1013px) 100vw, 1013px\" \/><\/figure>\n<\/div>\n\n\n<p>SW\uac00 35mV\uac19\uc740 Gen level\uc744 \ud5c8\uc6a9\ud558\uc9c0 \uc54a\uc544\uc11c 1W \ucd9c\ub825\uc2dc THD\ub97c \uce21\uc815\ud560 \uc218\ub294 \uc5c6\uc5c8\uace0 1.3W\uc5d0\uc11c\uc758 THD+N \uac12\uc774 \ub418\uaca0\uc2b5\ub2c8\ub2e4. LTspice \uc2dc\ubbac\ub85c\ub294 1KHz\uc5d0\uc11c 0.1%\uac00 \uc608\uc0c1\ub418\ub294\ub370 \uc2e4\uce21\uac12\uc740 0.6% \uc815\ub3c4\uc785\ub2c8\ub2e4. \uc774\uac74 \ubb50 \ube4c\ub4dc\ud55c \uc0ac\ub78c\uc774 \uc7a1 \ub178\uc774\uc988\ub97c \ubabb\uc7a1\uc544\uc11c \uadf8\ub7f0\uac70\uc77c\uc218\ub3c4&#8230;<\/p>\n\n\n\n<p>\uc329\ucd08\ubcf4\ub97c \ubc97\uc5b4\ub098\uc11c \uc0b4\uc9dd \ubcf5\uc7a1\ud55c \ud68c\ub85c\uc5d0 \ub3c4\uc804\ud558\ub2e4\ubcf4\ub2c8 \uc0c8\ub85c\uc6b4 \uacbd\ud5d8\uc744 \ub9ce\uc774 \ud558\uac8c \ub418\ub294 \uac83 \uac19\uc2b5\ub2c8\ub2e4. ^^<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub2e4\ub978 \uacf3\uc5d0 \ub3c4\ubc30\ud558\ub2e4\uc2dc\ud53c \uae00\uc744 \uc62c\ub838\ub294\ub370 \uacb0\uad6d \uc131\uacf5\uc740 \ubabb\ud558\uace0 \uc811\uc744 \ub4ef \ud558\uc5ec \uc815\ub9ac\uae00\uc744 \uc368\ubd05\ub2c8\ub2e4. \uc544\uc9c1 \ud328\uc2dc\ube0c EQ \ubcf4\ub4dc\ub294 \ub3c4\ucc29\ud558\uc9c0 \uc54a\uc558\uc9c0\ub9cc\uc694. \ub9e8 \ucc98\uc74c\uc5d0 \uc2dc\uc791\ud55c \uac83\uc740 \ub2f9\uc5f0\ud788 \uc6d0\uc804 \ud68c\ub85c\uc600\uc2b5\ub2c8\ub2e4. V1 EF86 \uc67c\ucabd\uc740 \uc785\ub825 \uc2e0\ud638\ub97c 1\/10 \uc774\ud558\ub85c \uac10\uc1c4\uc2dc\ud0a4\ub294 \ud1a4 EQ\uc785\ub2c8\ub2e4. PCB\ub97c \ub5a0\uc11c \uc8fc\ubb38\ud588\ub294\ub370 \uc544\uc9c1 \uc624\uc9c0\ub294 \uc54a\uc558\uace0 \uc2dc\ubbac \ud574\ubcf4\uba74 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4. 1V \uc785\ub825\uc744 \uc8fc\uba74 70mV \uc815\ub3c4\ub85c \uc904\uc5b4\ub4e4\uba74\uc11c Treble\/Bass \uc870\uc808\uc744 \ud574\uc8fc\uace0 &hellip;<br \/><a href=\"https:\/\/www.kyu.kr\/?p=3092\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\"><span class=\"screen-reader-text\">\uc5ec\ub7ec\ubaa8\ub85c \ubd88\ub9cc\uc871\uc2a4\ub7ec\uc6b4 Mullard 5-10 \uc570\ud504 \ub3c4\uc804<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":3093,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,108],"tags":[406,428,442,441,175,403],"class_list":["post-3092","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","category-108","tag-ef86","tag-el84-pp","tag-hammond-125e","tag-mullard-5-10","tag-nfb","tag-ringing"],"_links":{"self":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3092","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=3092"}],"version-history":[{"count":1,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3092\/revisions"}],"predecessor-version":[{"id":3110,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3092\/revisions\/3110"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/media\/3093"}],"wp:attachment":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}