{"id":7536,"date":"2018-08-13T20:47:32","date_gmt":"2018-08-13T19:47:32","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/?p=7536"},"modified":"2018-08-13T20:47:38","modified_gmt":"2018-08-13T19:47:38","slug":"er801a-driver-stage","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2018\/08\/13\/er801a-driver-stage\/","title":{"rendered":"ER801a Driver Stage"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"840\" height=\"1120\" data-attachment-id=\"7537\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2018\/08\/13\/er801a-driver-stage\/img_0939\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/08\/IMG_0939.jpg?fit=3024%2C4032&amp;ssl=1\" data-orig-size=\"3024,4032\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 8&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1533989032&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;3.99&quot;,&quot;iso&quot;:&quot;80&quot;,&quot;shutter_speed&quot;:&quot;0.2&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_0939\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/08\/IMG_0939.jpg?fit=768%2C1024&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/08\/IMG_0939.jpg?resize=840%2C1120\" alt=\"\" class=\"wp-image-7537\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/08\/IMG_0939.jpg?w=3024&amp;ssl=1 3024w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/08\/IMG_0939.jpg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/08\/IMG_0939.jpg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/08\/IMG_0939.jpg?resize=1200%2C1600&amp;ssl=1 1200w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/08\/IMG_0939.jpg?w=1680&amp;ssl=1 1680w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2018\/08\/IMG_0939.jpg?w=2520&amp;ssl=1 2520w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><figcaption>ER801a as Driver in my system<\/figcaption><\/figure>\n\n\n\n<p>Received the <a href=\"http:\/\/www.bartola.co.uk\/valves\/2018\/07\/20\/elrog-er801a-update\/\">ER801a<\/a> today back from Thomas. They were working fine, it was a faulty UX-4 socket pin of my <a href=\"http:\/\/www.bartola.co.uk\/valves\/2018\/01\/01\/etracer-build-and-review\/\">tracer<\/a> which annoyingly made the grid to appear faulty and open at certain voltage level. I need to replace it.<\/p>\n\n\n\n<p>Either way, they are now in my system and I can only say how much I was surprised with the sound of these. They take the detail and timbre of the<a href=\"http:\/\/www.bartola.co.uk\/valves\/2017\/03\/26\/vt-25-dht-preamp-update\/\"> VT-25<\/a> to a next level. Amazing result, happy to have these as part of my driver stage. The preamp is the <a href=\"http:\/\/www.bartola.co.uk\/valves\/2018\/08\/09\/dht-audio-shootout-london\/\">201a<\/a> feeding the ER801a into the <a href=\"http:\/\/www.bartola.co.uk\/valves\/2017\/02\/05\/4p1l-pse-amp-finished\/\">4P1L PSE<\/a>.\u00a0<\/p>\n\n\n\n<p>Highly recommended valves, worth the price indeed.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Received the ER801a today back from Thomas. They were working fine, it was a faulty UX-4 socket pin of my tracer which annoyingly made the grid to appear faulty and open at certain voltage level. I need to replace it. Either way, they are now in my system and I can only say how much &hellip; <a href=\"https:\/\/www.bartola.co.uk\/valves\/2018\/08\/13\/er801a-driver-stage\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;ER801a Driver Stage&#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":[835,12,911,24],"tags":[10,1166,783,1158,216,49,186,47,1125,1128,1090,749,1165,118],"class_list":["post-7536","post","type-post","status-publish","format-standard","hentry","category-4p1l-pse-amp","category-dht-valves","category-gyrator-pcb","category-valve-curve-tracer","tag-01a","tag-100-dht","tag-10y","tag-201a","tag-4p1l-pse","tag-dht-amplifier","tag-dht-preamp","tag-dht-preamplifier","tag-elrog","tag-er801a","tag-etracer","tag-sic-cathode-bias","tag-tube-10","tag-vt-25"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-1Xy","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/7536","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=7536"}],"version-history":[{"count":1,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/7536\/revisions"}],"predecessor-version":[{"id":7538,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/7536\/revisions\/7538"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=7536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=7536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=7536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}