{"id":43,"date":"2012-01-17T07:17:17","date_gmt":"2012-01-17T07:17:17","guid":{"rendered":"http:\/\/filip.filippeters.com\/?page_id=43"},"modified":"2012-01-18T23:35:39","modified_gmt":"2012-01-18T23:35:39","slug":"headphone-amp-1","status":"publish","type":"page","link":"https:\/\/www.filippeters.com\/?page_id=43","title":{"rendered":"Headphone amp 1"},"content":{"rendered":"<p>This one was made around 2000.<\/p>\n<p>This is a headphone amp for high impedance headphones.<br \/>\nIt&#8217;s built based on &#8220;Brute force in a linestage&#8221; by Eric Barbour. But the power supply is different, built with the parts I could get. Simple: a mu stage with parallel 6sn7 in the bottom part, parallel 6bl7 on top. With a good output cap, perfect for 300ohm phones.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/filip.filippeters.com\/wp-content\/uploads\/2012\/01\/headamp.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-34\" title=\"headamp\" src=\"https:\/\/i0.wp.com\/filip.filippeters.com\/wp-content\/uploads\/2012\/01\/headamp-283x300.jpg?resize=283%2C300\" alt=\"\" width=\"283\" height=\"300\" srcset=\"https:\/\/i0.wp.com\/www.filippeters.com\/wp-content\/uploads\/2012\/01\/headamp.jpg?resize=283%2C300&amp;ssl=1 283w, https:\/\/i0.wp.com\/www.filippeters.com\/wp-content\/uploads\/2012\/01\/headamp.jpg?w=361&amp;ssl=1 361w\" sizes=\"auto, (max-width: 283px) 100vw, 283px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This one was made around 2000. This is a headphone amp for high impedance headphones. It&#8217;s built based on &#8220;Brute force in a linestage&#8221; by Eric Barbour. But the power supply is different, built with the parts I could get. Simple: a mu stage with parallel 6sn7 in the bottom part, parallel 6bl7 on top. &hellip; <a href=\"https:\/\/www.filippeters.com\/?page_id=43\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Headphone amp 1<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":26,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"sidebar-page.php","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-43","page","type-page","status-publish","hentry"],"jetpack_shortlink":"https:\/\/wp.me\/P292Q1-H","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.filippeters.com\/index.php?rest_route=\/wp\/v2\/pages\/43","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.filippeters.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.filippeters.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.filippeters.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.filippeters.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=43"}],"version-history":[{"count":7,"href":"https:\/\/www.filippeters.com\/index.php?rest_route=\/wp\/v2\/pages\/43\/revisions"}],"predecessor-version":[{"id":62,"href":"https:\/\/www.filippeters.com\/index.php?rest_route=\/wp\/v2\/pages\/43\/revisions\/62"}],"up":[{"embeddable":true,"href":"https:\/\/www.filippeters.com\/index.php?rest_route=\/wp\/v2\/pages\/26"}],"wp:attachment":[{"href":"https:\/\/www.filippeters.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=43"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}