{"id":751,"date":"2014-07-12T19:08:32","date_gmt":"2014-07-12T17:08:32","guid":{"rendered":"http:\/\/blog.the-leviathan.ch\/?page_id=751"},"modified":"2014-09-25T14:18:04","modified_gmt":"2014-09-25T12:18:04","slug":"plasma-speaker","status":"publish","type":"page","link":"https:\/\/blog.the-leviathan.ch\/?page_id=751","title":{"rendered":"Plasma-Speaker"},"content":{"rendered":"<p>Hi Folks<br \/>\nThis is the project page for my plasma speaker.<br \/>\nIt makes use of a variant of the well known Tesla resonance coil.<\/p>\n<h2>schematics (v1)<\/h2>\n<p><a href=\"https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/hochtoener2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-789 size-medium\" src=\"https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/hochtoener2-300x206.png\" alt=\"\" width=\"300\" height=\"206\" srcset=\"https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/hochtoener2-300x206.png 300w, https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/hochtoener2-1024x705.png 1024w, https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/hochtoener2.png 1296w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>This is the first revision of my schematics for the oscillator circuitry.<br \/>\nThis plasma speaker is intended to be used in combination with a low frequency membran speaker in order to create a broadband high definition sound.<\/p>\n<h2>the coil<\/h2>\n<p><a href=\"https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/tesla_coil.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-765 size-medium\" src=\"https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/tesla_coil-e1405940225603-300x297.jpg\" alt=\"tesla_coil\" width=\"300\" height=\"297\" srcset=\"https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/tesla_coil-e1405940225603-300x297.jpg 300w, https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/tesla_coil-e1405940225603-150x150.jpg 150w, https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/tesla_coil-e1405940225603.jpg 768w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>That&#8217;s the Tesla resonator coil, the core of the whole circuit.<\/p>\n<h2>the PL519<\/h2>\n<p><a href=\"https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/pl519.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-766 size-medium\" src=\"https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/pl519-e1405940125544-225x300.jpg\" alt=\"pl519\" width=\"225\" height=\"300\" srcset=\"https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/pl519-e1405940125544-225x300.jpg 225w, https:\/\/blog.the-leviathan.ch\/wp-content\/uploads\/2014\/07\/pl519-e1405940125544.jpg 768w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n<p>This tube is a common line output pentode used within old monochrome cathode tube TVs.<br \/>\nPL519 goes under many different type numbers, but all of them are basically the same.<\/p>\n<div class=\"row push-right\">\n<p class=\"pull-left product-title\">This means: 40KG6A \/ PL519 \/ PL509 are equivalent.<\/p>\n<p class=\"pull-left product-title\">I&#8217;ve got mine from here: <a href=\"https:\/\/www.tubedepot.com\/products\/40kg6a-pl519-pl509\">https:\/\/www.tubedepot.com\/products\/40kg6a-pl519-pl509<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Hi Folks This is the project page for my plasma speaker. It makes use of a variant of the well known Tesla resonance coil. schematics (v1) This is the first revision of my schematics for the oscillator circuitry. This plasma speaker is intended to be used in combination with a low frequency membran speaker in &hellip; <a href=\"https:\/\/blog.the-leviathan.ch\/?page_id=751\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Plasma-Speaker<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":754,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-751","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blog.the-leviathan.ch\/index.php?rest_route=\/wp\/v2\/pages\/751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.the-leviathan.ch\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blog.the-leviathan.ch\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blog.the-leviathan.ch\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.the-leviathan.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=751"}],"version-history":[{"count":11,"href":"https:\/\/blog.the-leviathan.ch\/index.php?rest_route=\/wp\/v2\/pages\/751\/revisions"}],"predecessor-version":[{"id":790,"href":"https:\/\/blog.the-leviathan.ch\/index.php?rest_route=\/wp\/v2\/pages\/751\/revisions\/790"}],"up":[{"embeddable":true,"href":"https:\/\/blog.the-leviathan.ch\/index.php?rest_route=\/wp\/v2\/pages\/754"}],"wp:attachment":[{"href":"https:\/\/blog.the-leviathan.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}