{"id":7207,"date":"2018-02-24T14:36:39","date_gmt":"2018-02-24T14:36:39","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/?p=7207"},"modified":"2018-02-26T20:18:32","modified_gmt":"2018-02-26T20:18:32","slug":"another-dht-preamp","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2018\/02\/24\/another-dht-preamp\/","title":{"rendered":"Another DHT Preamp"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"7213\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2018\/02\/24\/another-dht-preamp\/img_0095\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0095.jpg?fit=1086%2C750&amp;ssl=1\" data-orig-size=\"1086,750\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"img_0095\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0095.jpg?fit=840%2C580&amp;ssl=1\" class=\"size-full wp-image-7213\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0095.jpg?resize=840%2C580\" width=\"840\" height=\"580\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0095.jpg?w=1086&amp;ssl=1 1086w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0095.jpg?resize=300%2C207&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0095.jpg?resize=768%2C530&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0095.jpg?resize=1024%2C707&amp;ssl=1 1024w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/p>\n<p>Another DHT Preamp on the way with Rod Coleman regs. I will do a A-B comparison with some Tentlabs modules, it&#8217;s an interesting experiment to undertake. The preamp has the classic<a href=\"http:\/\/www.bartola.co.uk\/valves\/2017\/07\/09\/gyrator-pcb-update-rev07\/\"> gyrator Rev07<\/a> and <a href=\"http:\/\/www.bartola.co.uk\/valves\/for-sale\/source-follower-pcb\/\">Source Follower<\/a> boards&#8230;<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"7212\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2018\/02\/24\/another-dht-preamp\/img_0097\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0097.jpg?fit=750%2C1000&amp;ssl=1\" data-orig-size=\"750,1000\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"img_0097\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0097.jpg?fit=750%2C1000&amp;ssl=1\" class=\"wp-image-7212 size-full\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0097.jpg?resize=750%2C1000\" width=\"750\" height=\"1000\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0097.jpg?w=750&amp;ssl=1 750w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/02\/img_0097.jpg?resize=225%2C300&amp;ssl=1 225w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Another DHT Preamp on the way with Rod Coleman regs. I will do a A-B comparison with some Tentlabs modules, it&#8217;s an interesting experiment to undertake. The preamp has the classic gyrator Rev07 and Source Follower boards&#8230;<\/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":[12,156,5],"tags":[864,903,1123,186,287,44,467,1061],"class_list":["post-7207","post","type-post","status-publish","format-standard","hentry","category-dht-valves","category-pre-amplifier-valves","category-valves","tag-bartola-gyrator","tag-bartola-gyrator-pcb","tag-bartola-source-follower","tag-dht-preamp","tag-filament-bias","tag-gyrator","tag-rod-coleman-regulators","tag-source-follower"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-1Sf","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/7207","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=7207"}],"version-history":[{"count":2,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/7207\/revisions"}],"predecessor-version":[{"id":7252,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/7207\/revisions\/7252"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=7207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=7207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=7207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}