{"id":3295,"date":"2014-04-13T18:49:24","date_gmt":"2014-04-13T17:49:24","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/?p=3295"},"modified":"2014-04-13T19:01:08","modified_gmt":"2014-04-13T18:01:08","slug":"4p1l-siberian-gen3-loctal-socket-board","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2014\/04\/13\/4p1l-siberian-gen3-loctal-socket-board\/","title":{"rendered":"4P1L Siberian Gen3: Loctal socket board"},"content":{"rendered":"<p>Here is the 4P1L Siberian DHT preamp (Gen3) socket board. I&#8217;m using a pair of custom made teflon\u00a0<a title=\"Teflon sockets (Loctal and UX5)\" href=\"http:\/\/www.bartola.co.uk\/valves\/2012\/12\/03\/teflon-sockets-loctal-and-ux5\/\">sockets<\/a>\u00a0mounted on a PCB\u00a0sandwich with a 4mm silicon rubber sheet. The lower board is mounted over 4 silent blocks:<\/p>\n<div class=\"tiled-gallery type-rectangular tiled-gallery-unresized\" data-original-width=\"840\" data-carousel-extra='{&quot;blog_id&quot;:1,&quot;permalink&quot;:&quot;https:\\\/\\\/www.bartola.co.uk\\\/valves\\\/2014\\\/04\\\/13\\\/4p1l-siberian-gen3-loctal-socket-board\\\/&quot;,&quot;likes_blog_id&quot;:35997060}' itemscope itemtype=\"http:\/\/schema.org\/ImageGallery\" > <div class=\"gallery-row\" style=\"width: 840px; height: 402px;\" data-original-width=\"840\" data-original-height=\"402\" > <div class=\"gallery-group images-1\" style=\"width: 303px; height: 402px;\" data-original-width=\"303\" data-original-height=\"402\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/www.bartola.co.uk\/valves\/2014\/04\/13\/4p1l-siberian-gen3-loctal-socket-board\/20140413-185207-jpg\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"299\"> <meta itemprop=\"height\" content=\"398\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"3302\" data-orig-file=\"https:\/\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-185207.jpg\" data-orig-size=\"768,1024\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1397383876&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.12&quot;,&quot;iso&quot;:&quot;50&quot;,&quot;shutter_speed&quot;:&quot;0.0068493150684932&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"20140413-185207.jpg\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-185207.jpg?fit=225%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-185207.jpg?fit=768%2C1024&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-185207.jpg?w=299&#038;h=398&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-185207.jpg?w=768&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-185207.jpg?resize=225%2C300&amp;ssl=1 225w\" width=\"299\" height=\"398\" loading=\"lazy\" data-original-width=\"299\" data-original-height=\"398\" itemprop=\"http:\/\/schema.org\/image\" title=\"20140413-185207.jpg\" alt=\"drilling the socket boards\" style=\"width: 299px; height: 398px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> drilling the socket boards <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 537px; height: 402px;\" data-original-width=\"537\" data-original-height=\"402\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/www.bartola.co.uk\/valves\/2014\/04\/13\/4p1l-siberian-gen3-loctal-socket-board\/20140413-184842-jpg\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"533\"> <meta itemprop=\"height\" content=\"398\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"3291\" data-orig-file=\"https:\/\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184842.jpg\" data-orig-size=\"1024,765\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1397386762&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.28&quot;,&quot;iso&quot;:&quot;80&quot;,&quot;shutter_speed&quot;:&quot;0.0083333333333333&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"20140413-184842.jpg\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184842.jpg?fit=300%2C224&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184842.jpg?fit=840%2C628&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184842.jpg?w=533&#038;h=398&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184842.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184842.jpg?resize=300%2C224&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184842.jpg?resize=401%2C300&amp;ssl=1 401w\" width=\"533\" height=\"398\" loading=\"lazy\" data-original-width=\"533\" data-original-height=\"398\" itemprop=\"http:\/\/schema.org\/image\" title=\"20140413-184842.jpg\" alt=\"Loctal sockets fit and silentblocks\" style=\"width: 533px; height: 398px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Loctal sockets fit and silentblocks <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 840px; height: 373px;\" data-original-width=\"840\" data-original-height=\"373\" > <div class=\"gallery-group images-1\" style=\"width: 280px; height: 373px;\" data-original-width=\"280\" data-original-height=\"373\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/www.bartola.co.uk\/valves\/2014\/04\/13\/4p1l-siberian-gen3-loctal-socket-board\/20140413-184852-jpg\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"276\"> <meta itemprop=\"height\" content=\"369\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"3292\" data-orig-file=\"https:\/\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184852.jpg\" data-orig-size=\"765,1024\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1397386790&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.28&quot;,&quot;iso&quot;:&quot;80&quot;,&quot;shutter_speed&quot;:&quot;0.0083333333333333&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"20140413-184852.jpg\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184852.jpg?fit=224%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184852.jpg?fit=765%2C1024&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184852.jpg?w=276&#038;h=369&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184852.jpg?w=765&amp;ssl=1 765w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184852.jpg?resize=224%2C300&amp;ssl=1 224w\" width=\"276\" height=\"369\" loading=\"lazy\" data-original-width=\"276\" data-original-height=\"369\" itemprop=\"http:\/\/schema.org\/image\" title=\"20140413-184852.jpg\" alt=\"finished socket board\" style=\"width: 276px; height: 369px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> finished socket board <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 280px; height: 373px;\" data-original-width=\"280\" data-original-height=\"373\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/www.bartola.co.uk\/valves\/2014\/04\/13\/4p1l-siberian-gen3-loctal-socket-board\/20140413-184915-jpg\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"276\"> <meta itemprop=\"height\" content=\"369\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"3294\" data-orig-file=\"https:\/\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184915.jpg\" data-orig-size=\"765,1024\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1397388941&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.28&quot;,&quot;iso&quot;:&quot;80&quot;,&quot;shutter_speed&quot;:&quot;0.0083333333333333&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"20140413-184915.jpg\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184915.jpg?fit=224%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184915.jpg?fit=765%2C1024&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184915.jpg?w=276&#038;h=369&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184915.jpg?w=765&amp;ssl=1 765w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184915.jpg?resize=224%2C300&amp;ssl=1 224w\" width=\"276\" height=\"369\" loading=\"lazy\" data-original-width=\"276\" data-original-height=\"369\" itemprop=\"http:\/\/schema.org\/image\" title=\"20140413-184915.jpg\" alt=\"4P1Ls\" style=\"width: 276px; height: 369px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> 4P1Ls <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 280px; height: 373px;\" data-original-width=\"280\" data-original-height=\"373\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/www.bartola.co.uk\/valves\/2014\/04\/13\/4p1l-siberian-gen3-loctal-socket-board\/20140413-184902-jpg\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"276\"> <meta itemprop=\"height\" content=\"369\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"3293\" data-orig-file=\"https:\/\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184902.jpg\" data-orig-size=\"765,1024\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1397388915&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.28&quot;,&quot;iso&quot;:&quot;100&quot;,&quot;shutter_speed&quot;:&quot;0.0083333333333333&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"20140413-184902.jpg\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184902.jpg?fit=224%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184902.jpg?fit=765%2C1024&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184902.jpg?w=276&#038;h=369&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184902.jpg?w=765&amp;ssl=1 765w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2014\/04\/20140413-184902.jpg?resize=224%2C300&amp;ssl=1 224w\" width=\"276\" height=\"369\" loading=\"lazy\" data-original-width=\"276\" data-original-height=\"369\" itemprop=\"http:\/\/schema.org\/image\" title=\"20140413-184902.jpg\" alt=\"4P1Ls ready!\" style=\"width: 276px; height: 369px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> 4P1Ls ready! <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <\/div>\n<p>This should be a great improvement to reduce any further microphonic noise in the preamp!<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here is the 4P1L Siberian DHT preamp (Gen3) socket board. I&#8217;m using a pair of custom made teflon\u00a0sockets\u00a0mounted on a PCB\u00a0sandwich with a 4mm silicon rubber sheet. The lower board is mounted over 4 silent blocks: This should be a great improvement to reduce any further microphonic noise in the preamp! &nbsp;<\/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":[5],"tags":[782,537,142,186,114,584],"class_list":["post-3295","post","type-post","status-publish","format-standard","hentry","category-valves","tag-4p1l","tag-4p1l-dht","tag-4p1l-preamp","tag-dht-preamp","tag-siberian","tag-siberian-preamp"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-R9","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/3295","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=3295"}],"version-history":[{"count":4,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/3295\/revisions"}],"predecessor-version":[{"id":3307,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/3295\/revisions\/3307"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=3295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=3295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=3295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}