{"id":4570,"date":"2012-07-22T11:42:00","date_gmt":"2012-07-22T01:42:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2012\/07\/22\/valve-line-up-of-british-homebrew-rig\/"},"modified":"2025-07-21T17:25:41","modified_gmt":"2025-07-21T07:25:41","slug":"valve-line-up-of-british-homebrew-rig","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2012\/07\/22\/valve-line-up-of-british-homebrew-rig\/","title":{"rendered":"Valve line-up of British Homebrew Rig"},"content":{"rendered":"

\"\"<\/a><\/p>\n

A number of electro-archeologists out there have asked about the valves found in the old British homebrew rig I presented yesterday. Here you go:<\/b><\/div>\n

<\/b><\/span><\/div>\n
Mic amp: ECC83<\/b><\/span><\/div>\n
What I think is the modulator: EL84<\/b><\/span><\/div>\n
Suspected oscillator: M8162 also marked as 12AT7 WA UJ <\/b><\/span><\/div>\n
What looks like the driver: EL85<\/b><\/span><\/div>\n
Final: QQVC3.10<\/b><\/span><\/div>\n

<\/b><\/span><\/div>\n
I’ll try to determine the resonant frequency of the tuned circuits. <\/b><\/span><\/div>\n
<\/div>\n

Our book: “SolderSmoke — Global Adventures in Wireless Electronics”<\/span>http:\/\/soldersmoke.com\/book.htm<\/a>Our coffee mugs, T-Shirts, bumper stickers: <\/span>http:\/\/www.cafepress.com\/SolderSmoke<\/a>Our Book Store: <\/span>http:\/\/astore.amazon.com\/contracross-20<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

A number of electro-archeologists out there have asked about the valves found in the old British homebrew rig I presented yesterday. Here you go: Mic amp: ECC83 What I think is the modulator: EL84 Suspected oscillator: M8162 also marked as 12AT7 WA UJ What looks like the driver: EL85 Final: QQVC3.10 I’ll try to determine … Continue reading “Valve line-up of British Homebrew Rig”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":4571,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[130,101,119],"tags":[],"class_list":["post-4570","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-am","category-tubes","category-uk"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/4570","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=4570"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/4570\/revisions"}],"predecessor-version":[{"id":4572,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/4570\/revisions\/4572"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media\/4571"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=4570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=4570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=4570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}