{"id":7632,"date":"2018-09-29T16:50:16","date_gmt":"2018-09-29T15:50:16","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/2018\/09\/29\/tuning-the-system-for-etf\/"},"modified":"2018-09-29T17:54:37","modified_gmt":"2018-09-29T16:54:37","slug":"tuning-the-system-for-etf","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2018\/09\/29\/tuning-the-system-for-etf\/","title":{"rendered":"Tuning the system for ETF"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"7631\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2018\/09\/29\/tuning-the-system-for-etf\/img_1305\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/09\/img_1305.jpg?fit=3024%2C4032&amp;ssl=1\" data-orig-size=\"3024,4032\" 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_1305\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/09\/img_1305.jpg?fit=768%2C1024&amp;ssl=1\" class=\"size-full wp-image-7631 aligncenter\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/09\/img_1305.jpg?resize=840%2C1120\" width=\"840\" height=\"1120\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/09\/img_1305.jpg?w=3024&amp;ssl=1 3024w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/09\/img_1305.jpg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/09\/img_1305.jpg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/09\/img_1305.jpg?resize=1200%2C1600&amp;ssl=1 1200w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/09\/img_1305.jpg?w=1680&amp;ssl=1 1680w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/09\/img_1305.jpg?w=2520&amp;ssl=1 2520w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/p>\n<p>This year I entered the shootout competition and will bring my DHT system to the European Triode Festival in France. It&#8217;s comprised of the ER801a stage plus the 01a (if extra gain is needed) and the 4P1L PSE output stage<\/p>\n<p>I will have to swap out the amorphous OPT for the Monolith Magnetic ones as the speaker load is 5R.<\/p>\n<p>It&#8217;s going to be interesting!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This year I entered the shootout competition and will bring my DHT system to the European Triode Festival in France. It&#8217;s comprised of the ER801a stage plus the 01a (if extra gain is needed) and the 4P1L PSE output stage I will have to swap out the amorphous OPT for the Monolith Magnetic ones as &hellip; <a href=\"https:\/\/www.bartola.co.uk\/valves\/2018\/09\/29\/tuning-the-system-for-etf\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Tuning the system for ETF&#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_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":[835,12,153,911,233,154,1179,159,152,156,449,448,158,1178,162,698,5],"tags":[10,782,216,1115,1128,44,1112,1116,1061,118],"class_list":["post-7632","post","type-post","status-publish","format-standard","hentry","category-4p1l-pse-amp","category-dht-valves","category-driver","category-gyrator-pcb","category-music","category-output-stage","category-pcb","category-power-supplies","category-power-supply","category-pre-amplifier-valves","category-riaa","category-riaa-stages","category-se-designs","category-sic-filament","category-source","category-speakers","category-valves","tag-01a","tag-4p1l","tag-4p1l-pse","tag-amorphous-core","tag-er801a","tag-gyrator","tag-monolith-magnetics","tag-np-accoustics","tag-source-follower","tag-vt-25"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-1Z6","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/7632","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=7632"}],"version-history":[{"count":1,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/7632\/revisions"}],"predecessor-version":[{"id":7634,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/7632\/revisions\/7634"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=7632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=7632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=7632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}