{"id":10241,"date":"2021-10-15T12:36:47","date_gmt":"2021-10-15T11:36:47","guid":{"rendered":"https:\/\/www.bartola.co.uk\/valves\/?p=10241"},"modified":"2021-10-15T12:36:47","modified_gmt":"2021-10-15T11:36:47","slug":"dht-supply-pcb","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2021\/10\/15\/dht-supply-pcb\/","title":{"rendered":"DHT Supply PCB"},"content":{"rendered":"<p>I took me a couple of years but eventually found the time to build the BOM and a simple documentation guide for the DHT LT supply PCB. I&#8217;ve been using this PCB for a long time on most of my DHT preamps and in my current <a href=\"https:\/\/www.bartola.co.uk\/valves\/300b-se-amplifier\/\">300B SE Amplifier<\/a>.<\/p>\n<p>It&#8217;s a 16 x 8 cm board which can be stacked for a stereo DHT stage. Enough flexible is provided for all sort of filtering combinations (either choke to cap input supplies).<\/p>\n<p>Some may say is a killer, but I add a common-mode choke to suppress HF noise from mains. I design my supplies with a no-compromise thinking and best possible components (e.g. including split-bobbin main transformers), chokes and capacitors to deliver the lowest noise possible to the filament supply.<\/p>\n<p>This board doesn&#8217;t replace the filament regulator (e.g. Rod Coleman regulator), it&#8217;s just the raw supply circuit needed before them.<\/p>\n<p>I will sell the remainder of my stock of these lovely ENIG finished PCBs. You can order them <a href=\"https:\/\/www.bartola.co.uk\/valves\/for-sale\/dht-lt-supply-pcb\/\">here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I took me a couple of years but eventually found the time to build the BOM and a simple documentation guide for the DHT LT supply PCB. I&#8217;ve been using this PCB for a long time on most of my DHT preamps and in my current 300B SE Amplifier. It&#8217;s a 16 x 8 cm &hellip; <a href=\"https:\/\/www.bartola.co.uk\/valves\/2021\/10\/15\/dht-supply-pcb\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;DHT Supply PCB&#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":[894,49,186,1424,1425,1308,1254],"class_list":["post-10241","post","type-post","status-publish","format-standard","hentry","category-valves","tag-bartola-pcb","tag-dht-amplifier","tag-dht-preamp","tag-dht-supply","tag-lt-supply","tag-lt-supply-pcb","tag-supply-pcb"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-2Fb","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/10241","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=10241"}],"version-history":[{"count":1,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/10241\/revisions"}],"predecessor-version":[{"id":10242,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/10241\/revisions\/10242"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=10241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=10241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=10241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}