{"id":7736,"date":"2021-04-12T20:25:57","date_gmt":"2021-04-13T01:25:57","guid":{"rendered":"http:\/\/w0ep.us\/OM\/?p=7736"},"modified":"2021-04-12T20:25:57","modified_gmt":"2021-04-13T01:25:57","slug":"collins-75a-1-receiver","status":"publish","type":"post","link":"http:\/\/w0ep.us\/OM\/?p=7736","title":{"rendered":"Collins 75A-1 Receiver"},"content":{"rendered":"\n<p>[today&#8217;s run: 3 slow miles]<\/p>\n\n\n\n<p>A few years ago I was at the ham fest swap meet in Jackson Mississippi, sitting at a table selling some of my surplus radio and electronics stuff.<\/p>\n\n\n\n<p>It was winding down toward the end of the event.  The guy at a nearby table was trying to unload some Collins receivers for an estate over in Alabama.<\/p>\n\n\n\n<p>I&#8217;ve always been interested in old Collins receivers.  The closest thing I have owned was a military R390 made by Collins.<\/p>\n\n\n\n<p>Anyway, he had 2 receivers left and made me an offer I couldn&#8217;t refuse so I bought the pair.<\/p>\n\n\n\n<p>Recently I printed off the manual  and schematic for the older one, a 75A1.  I took it out of it&#8217;s box  (which is actually a transmitter box) and put it up on the bench.  I can see that someone has replaced some of the bathtub capacitors in the past.  But there are still some old paper electrolytics in there.  And there is one tube missing.<\/p>\n\n\n\n<p>So yet another project to work on when I feel like it!<\/p>\n\n\n\n<p>Here&#8217;s a <a href=\"http:\/\/www.crompton.com\/hamradio\/collins\/75a1\/\">webpage about a guy restoring one<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[today&#8217;s run: 3 slow miles] A few years ago I was at the ham fest swap meet in Jackson Mississippi, sitting at a table selling some of my surplus radio and electronics stuff. It was winding down toward the end of the event. The guy at a nearby table was trying to unload some Collins [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-7736","post","type-post","status-publish","format-standard","hentry","category-ham-radio"],"_links":{"self":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts\/7736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7736"}],"version-history":[{"count":1,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts\/7736\/revisions"}],"predecessor-version":[{"id":7737,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts\/7736\/revisions\/7737"}],"wp:attachment":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7736"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}