{"id":8310,"date":"2020-03-31T18:34:41","date_gmt":"2020-03-31T17:34:41","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/?p=8310"},"modified":"2020-03-31T18:34:41","modified_gmt":"2020-03-31T17:34:41","slug":"01a-preamp-from-south-korea","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2020\/03\/31\/01a-preamp-from-south-korea\/","title":{"rendered":"01a Preamp from South Korea"},"content":{"rendered":"<p>Time ago I made a set of gyrator boards for Chul in South Korea. His build skills are amazing and look at his work below. I love the structure and design, it&#8217;s simply beautiful.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-20-15.43.22.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"8314\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2020\/03\/31\/01a-preamp-from-south-korea\/2019-02-20-15-43-22\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-20-15.43.22.jpg?fit=1632%2C1011&amp;ssl=1\" data-orig-size=\"1632,1011\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1550677402&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;160&quot;,&quot;shutter_speed&quot;:&quot;0.033333333333333&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"2019-02-20 15.43.22\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-20-15.43.22.jpg?fit=840%2C520&amp;ssl=1\" class=\"size-large wp-image-8314 aligncenter\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-20-15.43.22-1024x634.jpg?resize=840%2C520\" alt=\"\" width=\"840\" height=\"520\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-20-15.43.22.jpg?resize=1024%2C634&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-20-15.43.22.jpg?resize=300%2C186&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-20-15.43.22.jpg?resize=768%2C476&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-20-15.43.22.jpg?resize=1536%2C952&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-20-15.43.22.jpg?resize=1200%2C743&amp;ssl=1 1200w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-20-15.43.22.jpg?w=1632&amp;ssl=1 1632w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/a><!--more--><\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-04-14.36.25-2.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"8317\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2020\/03\/31\/01a-preamp-from-south-korea\/2019-02-04-14-36-25-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-04-14.36.25-2.jpg?fit=1632%2C1224&amp;ssl=1\" data-orig-size=\"1632,1224\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1549290985&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;125&quot;,&quot;shutter_speed&quot;:&quot;0.033333333333333&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"2019-02-04 14.36.25\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-04-14.36.25-2.jpg?fit=840%2C630&amp;ssl=1\" class=\"size-full wp-image-8317 aligncenter\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-04-14.36.25-2.jpg?resize=840%2C630\" alt=\"\" width=\"840\" height=\"630\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-04-14.36.25-2.jpg?w=1632&amp;ssl=1 1632w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-04-14.36.25-2.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-04-14.36.25-2.jpg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-04-14.36.25-2.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-04-14.36.25-2.jpg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2019-02-04-14.36.25-2.jpg?resize=1200%2C900&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/a><\/p>\n<p>Chul asked me also to engrave one of my cartoons on his preamp, a real honour. Look at it and judge it yourself<\/p>\n<p>Hopefully Chul can chip in here and leave his impressions of the preamp. I believe he tried before other configurations and also is looking to build a 10Y soon!<\/p>\n<figure id=\"attachment_8311\" aria-describedby=\"caption-attachment-8311\" style=\"width: 948px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2020-03-31-10.36.19.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"8311\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2020\/03\/31\/01a-preamp-from-south-korea\/2020-03-31-10-36-19\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2020-03-31-10.36.19.jpg?fit=948%2C711&amp;ssl=1\" data-orig-size=\"948,711\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1585650979&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.033333333333333&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"2020-03-31 10.36.19\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;My cartoon engraved on the preamp top plate&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2020-03-31-10.36.19.jpg?fit=840%2C630&amp;ssl=1\" class=\"size-full wp-image-8311\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2020-03-31-10.36.19.jpg?resize=840%2C630\" alt=\"\" width=\"840\" height=\"630\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2020-03-31-10.36.19.jpg?w=948&amp;ssl=1 948w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2020-03-31-10.36.19.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/2020-03-31-10.36.19.jpg?resize=768%2C576&amp;ssl=1 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/a><figcaption id=\"caption-attachment-8311\" class=\"wp-caption-text\">My cartoon engraved on the preamp top plate<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Time ago I made a set of gyrator boards for Chul in South Korea. His build skills are amazing and look at his work below. I love the structure and design, it&#8217;s simply beautiful.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[12,156],"tags":[10,1064,47,44,875,1169],"class_list":["post-8310","post","type-post","status-publish","format-standard","hentry","category-dht-valves","category-pre-amplifier-valves","tag-01a","tag-bartola-source-follower-pcb","tag-dht-preamplifier","tag-gyrator","tag-gyrator-pcb","tag-sic-filament-bias"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-2a2","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/8310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/comments?post=8310"}],"version-history":[{"count":1,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/8310\/revisions"}],"predecessor-version":[{"id":8318,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/8310\/revisions\/8318"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=8310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=8310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=8310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}