{"id":794,"date":"2012-11-10T08:57:54","date_gmt":"2012-11-10T08:57:54","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/?p=794"},"modified":"2012-11-10T08:57:54","modified_gmt":"2012-11-10T08:57:54","slug":"thd-measurement","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2012\/11\/10\/thd-measurement\/","title":{"rendered":"THD measurement"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2012\/11\/THD-test-2.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"795\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2012\/11\/10\/thd-measurement\/thd-test-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2012\/11\/THD-test-2.jpg?fit=538%2C640&amp;ssl=1\" data-orig-size=\"538,640\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPad&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1352533481&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.28&quot;,&quot;iso&quot;:&quot;64&quot;,&quot;shutter_speed&quot;:&quot;0.02&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"THD test 2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2012\/11\/THD-test-2.jpg?fit=538%2C640&amp;ssl=1\" class=\"alignleft size-medium wp-image-795\" title=\"THD test 2\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2012\/11\/THD-test-2-252x300.jpg?resize=252%2C300\" alt=\"\" width=\"252\" height=\"300\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2012\/11\/THD-test-2.jpg?resize=252%2C300&amp;ssl=1 252w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2012\/11\/THD-test-2.jpg?w=538&amp;ssl=1 538w\" sizes=\"auto, (max-width: 252px) 85vw, 252px\" \/><\/a>Yesterday finished to upgrade my THD test box by adding the screen bias section I needed to test the 24a tetrode. <a title=\"THD measurement\" href=\"http:\/\/www.bartola.co.uk\/valves\/curve-tracer\/785-2\/\">Here are the details<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yesterday finished to upgrade my THD test box by adding the screen bias section I needed to test the 24a tetrode. Here are the details &nbsp;<\/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_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[67,24,38,5],"tags":[228,227,229,223,226,225,231,232,224,230],"class_list":["post-794","post","type-post","status-publish","format-standard","hentry","category-thd","category-valve-curve-tracer","category-valve-tester","category-valves","tag-pentode-thd-test","tag-tetrode-thd-test","tag-thd-measurement","tag-thd-test","tag-triode-thd-test","tag-tube-thd-test","tag-tube-thd-testing","tag-tube-thd-testing-circuit","tag-valve-thd-test","tag-valve-thd-testing"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-cO","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/794","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=794"}],"version-history":[{"count":2,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/794\/revisions"}],"predecessor-version":[{"id":797,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/794\/revisions\/797"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}