{"id":150,"date":"2017-05-22T10:11:50","date_gmt":"2017-05-22T08:11:50","guid":{"rendered":"http:\/\/vintageaudiorepairs.eu\/?p=150"},"modified":"2017-05-22T10:11:50","modified_gmt":"2017-05-22T08:11:50","slug":"trace-elliot-gp-11","status":"publish","type":"post","link":"http:\/\/vintageaudiorepairs.eu\/?p=150","title":{"rendered":"Trace Elliot GP 11"},"content":{"rendered":"<p>This preamp was humming and some of the graphical sliders worked as a noise generators rather then equalizer. \u00a0Also the two momentary switches were bad. I couldn&#8217;t find the exact momentary switch so i had to modify the switch cap slighty to fit modern replacements.<\/p>\n<p>Re-cap and upgrade of main filter cap from 2200uF to 15000uF resolved all the PSU induced\u00a0hum and one of the transistors in the graphical equalizer actually had a small crater where the silicon chip used to be inside of the plastic casing. It was interesting that the transistor was still working-ish but it was acting as a noise generator.<\/p>\n<p><a href=\"http:\/\/vintageaudiorepairs.eu\/wp-content\/uploads\/2017\/05\/IMG_3652.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-151\" src=\"http:\/\/vintageaudiorepairs.eu\/wp-content\/uploads\/2017\/05\/IMG_3652.jpg\" alt=\"\" width=\"3264\" height=\"2448\" srcset=\"http:\/\/vintageaudiorepairs.eu\/wp-content\/uploads\/2017\/05\/IMG_3652.jpg 3264w, http:\/\/vintageaudiorepairs.eu\/wp-content\/uploads\/2017\/05\/IMG_3652-300x225.jpg 300w, http:\/\/vintageaudiorepairs.eu\/wp-content\/uploads\/2017\/05\/IMG_3652-768x576.jpg 768w, http:\/\/vintageaudiorepairs.eu\/wp-content\/uploads\/2017\/05\/IMG_3652-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 3264px) 100vw, 3264px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This preamp was humming and some of the graphical sliders worked as a noise generators rather then equalizer. \u00a0Also the two momentary switches were bad. I couldn&#8217;t find the exact momentary switch so i had to modify the switch cap slighty to fit modern replacements. Re-cap and upgrade of main filter cap from 2200uF to &hellip; <a href=\"http:\/\/vintageaudiorepairs.eu\/?p=150\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Trace Elliot GP 11<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-150","post","type-post","status-publish","format-standard","hentry","category-amps-preamps"],"_links":{"self":[{"href":"http:\/\/vintageaudiorepairs.eu\/index.php?rest_route=\/wp\/v2\/posts\/150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/vintageaudiorepairs.eu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/vintageaudiorepairs.eu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/vintageaudiorepairs.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/vintageaudiorepairs.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=150"}],"version-history":[{"count":1,"href":"http:\/\/vintageaudiorepairs.eu\/index.php?rest_route=\/wp\/v2\/posts\/150\/revisions"}],"predecessor-version":[{"id":152,"href":"http:\/\/vintageaudiorepairs.eu\/index.php?rest_route=\/wp\/v2\/posts\/150\/revisions\/152"}],"wp:attachment":[{"href":"http:\/\/vintageaudiorepairs.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/vintageaudiorepairs.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=150"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/vintageaudiorepairs.eu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}