{"id":546,"date":"2023-02-04T13:50:00","date_gmt":"2023-02-04T02:50:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2023\/02\/04\/to-re-cap-or-not-to-re-cap-curious-marc-on-the-electrolytic-controversy-in-ham-radio\/"},"modified":"2025-07-22T18:02:26","modified_gmt":"2025-07-22T08:02:26","slug":"to-re-cap-or-not-to-re-cap-curious-marc-on-the-electrolytic-controversy-in-ham-radio","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2023\/02\/04\/to-re-cap-or-not-to-re-cap-curious-marc-on-the-electrolytic-controversy-in-ham-radio\/","title":{"rendered":"To Re-Cap or Not to Re-Cap &#8212; Curious Marc on the Electrolytic Controversy in Ham Radio"},"content":{"rendered":"<p><iframe loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\" frameborder=\"0\" height=\"247\" src=\"https:\/\/www.youtube.com\/embed\/GMNQDoFpYQY?rel=0\" title=\"YouTube video player\" width=\"440\"><\/iframe><\/p>\n<div><b><br \/><\/b><\/div>\n<div><b>A while back I got some fairly acerbic feedback when I DARED to suggest that perhaps it would be a good idea to replace the old electrolytic capacitors in ham radio equipment. It was as if I had attacked motherhood and apple pie! <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>Yesterday I was looking at CuriousMarc&#8217;s YouTube channel and I came across the above video. While I had been in the preemptive replacement camp, Marc makes a good case for leaving some of the old caps in place. The fact that the electrolytics usually are open when they fail, and that there are fuses in the power supply to protect the transformers, are important points. His admonition not to replace electrolytics with tantalum caps (which fail closed) was also very useful. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>OK, my flame-proof suit is on! <\/b><\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A while back I got some fairly acerbic feedback when I DARED to suggest that perhaps it would be a good idea to replace the old electrolytic capacitors in ham radio equipment. It was as if I had attacked motherhood and apple pie! Yesterday I was looking at CuriousMarc&#8217;s YouTube channel and I came across &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2023\/02\/04\/to-re-cap-or-not-to-re-cap-curious-marc-on-the-electrolytic-controversy-in-ham-radio\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;To Re-Cap or Not to Re-Cap &#8212; Curious Marc on the Electrolytic Controversy in Ham Radio&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100,98,101],"tags":[],"class_list":["post-546","post","type-post","status-publish","format-standard","hentry","category-old-radio","category-repair","category-tubes"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=546"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/546\/revisions"}],"predecessor-version":[{"id":11321,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/546\/revisions\/11321"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}