{"id":5785,"date":"2016-10-09T13:53:13","date_gmt":"2016-10-09T12:53:13","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/?p=5785"},"modified":"2016-10-09T13:53:13","modified_gmt":"2016-10-09T12:53:13","slug":"uv4-ptfe-sockets","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2016\/10\/09\/uv4-ptfe-sockets\/","title":{"rendered":"UV4 PTFE sockets"},"content":{"rendered":"<p>Looking to build a new<a href=\"http:\/\/www.bartola.co.uk\/valves\/dht-pre-amplifier\/01a-preamp-gen2\/\"> 01a Gen2 preamp<\/a> shortly. This time will be for the rare <a href=\"http:\/\/uv201.com\/Tube_Pages\/uv200_uv201.htm\">UV-201a valves<\/a>. They need a special socket UV4 rather than the usual UX4. See width difference of both filament pins. In the UV4 all pins have same size as below:<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image2.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"5786\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2016\/10\/09\/uv4-ptfe-sockets\/image2-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image2.jpg?fit=640%2C480&amp;ssl=1\" data-orig-size=\"640,480\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5s&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1475318691&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;80&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;3&quot;}\" data-image-title=\"image2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image2.jpg?fit=640%2C480&amp;ssl=1\" class=\"alignleft size-full wp-image-5786\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image2.jpg?resize=640%2C480\" alt=\"image2\" width=\"640\" height=\"480\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image2.jpg?w=640&amp;ssl=1 640w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image2.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image2.jpg?resize=400%2C300&amp;ssl=1 400w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/a> Weather they have brass or bakelite bases, the new UV4 sockets produced by Luciano Bandozzi (<a href=\"http:\/\/www.jakeband.it\">Jakeband<\/a>) are of supreme quality. I highly recommend them:<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image1.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"5787\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2016\/10\/09\/uv4-ptfe-sockets\/image1-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image1.jpg?fit=640%2C614&amp;ssl=1\" data-orig-size=\"640,614\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5s&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1475318720&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;32&quot;,&quot;shutter_speed&quot;:&quot;0.0044444444444444&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"image1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image1.jpg?fit=640%2C614&amp;ssl=1\" class=\"alignleft size-large wp-image-5787\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image1.jpg?resize=584%2C560\" alt=\"image1\" width=\"584\" height=\"560\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image1.jpg?w=640&amp;ssl=1 640w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image1.jpg?resize=300%2C288&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2016\/10\/image1.jpg?resize=313%2C300&amp;ssl=1 313w\" sizes=\"auto, (max-width: 584px) 85vw, 584px\" \/><\/a>I already reviewed these and you can see more info <a href=\"http:\/\/www.bartola.co.uk\/valves\/2012\/12\/03\/teflon-sockets-loctal-and-ux5\/\">here<\/a>. I hope to post some pictures of the new preamp shortly<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Looking to build a new 01a Gen2 preamp shortly. This time will be for the rare UV-201a valves. They need a special socket UV4 rather than the usual UX4. See width difference of both filament pins. In the UV4 all pins have same size as below: Weather they have brass or bakelite bases, the new &hellip; <a href=\"https:\/\/www.bartola.co.uk\/valves\/2016\/10\/09\/uv4-ptfe-sockets\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;UV4 PTFE sockets&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_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},"jetpack_post_was_ever_published":false},"categories":[5],"tags":[945,246,944,46,947,946],"class_list":["post-5785","post","type-post","status-publish","format-standard","hentry","category-valves","tag-jakeband-socket","tag-jakeband-sockets","tag-pfte-sockets","tag-preamp","tag-uv-201a","tag-ux4"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-1vj","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/5785","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=5785"}],"version-history":[{"count":1,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/5785\/revisions"}],"predecessor-version":[{"id":5788,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/5785\/revisions\/5788"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=5785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=5785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=5785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}