{"id":4568,"date":"2012-02-16T15:43:24","date_gmt":"2012-02-16T19:43:24","guid":{"rendered":"http:\/\/www.engineeringradio.us\/blog\/?p=4568"},"modified":"2023-04-29T11:15:52","modified_gmt":"2023-04-29T15:15:52","slug":"the-raytheon-rm-10-monitor-amp","status":"publish","type":"post","link":"https:\/\/www.engineeringradio.us\/blog\/2012\/02\/the-raytheon-rm-10-monitor-amp\/","title":{"rendered":"The Raytheon RM-10 Monitor Amp"},"content":{"rendered":"\n<p>I found this manual from 1946 in the drawer at the WICC transmitter site, which is a sort of time capsule due to its inaccessibility. I figured I would bring it home and scan it, then return it to the file drawer out on the island. &nbsp;Step one is done:<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-monitor-amp.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"506\" src=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-monitor-amp.jpg\" alt=\"Raytheon RM-10 Monitor Amp\" class=\"wp-image-4574\" srcset=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-monitor-amp.jpg 650w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-monitor-amp-150x116.jpg 150w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-monitor-amp-300x233.jpg 300w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-monitor-amp-400x311.jpg 400w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><figcaption class=\"wp-element-caption\">Raytheon RM-10 Monitor Amp<\/figcaption><\/figure>\n\n\n\n<p>This is a cool little monitor amp, capable of driving line-level or speaker outputs up to about 10 watts or so. \u00a0It could be used as a front or input stage for a larger audio amp. \u00a0By the way, 10 watts is a lot more than it seems, if using efficient speakers to convert that power into sound waves. \u00a0Specs show total harmonic distortion is between 0.6 to 2 percent depending on power and frequency. \u00a0Lower power output levels net less distortion.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"434\" src=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-650x434.jpg\" alt=\"\" class=\"wp-image-4575\" title=\"raytheon rm10\" srcset=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-650x434.jpg 650w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-150x100.jpg 150w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-300x200.jpg 300w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10-400x267.jpg 400w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/raytheon-rm10.jpg 1200w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><\/figure>\n\n\n\n<p>Schematic is pretty simple, a pair of 6L6&#8217;s in push-pull for the output. &nbsp; Inverse feedback into the previous stage via the output transformer. &nbsp;Click on image for higher resolution.<\/p>\n\n\n\n<p>Full manual and parts list is available <a href=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2012\/02\/Raytheon-RM-10.pdf\" target=\"_blank\" rel=\"noopener\">here<\/a>.<\/p>\n\n\n\n<p>Now I just need to get the manual back out there.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I found this manual from 1946 in the drawer at the WICC transmitter site, which is a sort of time capsule due to its inaccessibility. I figured I would bring it home and scan it, then return it to the file drawer out on the island. &nbsp;Step one is done: This is a cool little &hellip; <a href=\"https:\/\/www.engineeringradio.us\/blog\/2012\/02\/the-raytheon-rm-10-monitor-amp\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">The Raytheon RM-10 Monitor Amp<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[102,4],"tags":[146],"class_list":["post-4568","post","type-post","status-publish","format-standard","hentry","category-audio","category-tech-stuff","tag-tube-gear"],"_links":{"self":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/4568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/comments?post=4568"}],"version-history":[{"count":5,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/4568\/revisions"}],"predecessor-version":[{"id":11645,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/4568\/revisions\/11645"}],"wp:attachment":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/media?parent=4568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/categories?post=4568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/tags?post=4568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}