{"id":47910,"date":"2021-02-24T08:14:50","date_gmt":"2021-02-24T12:14:50","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=47910"},"modified":"2021-02-24T08:14:50","modified_gmt":"2021-02-24T12:14:50","slug":"video-how-the-philips-factory-made-vacuum-tubes","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2021\/02\/video-how-the-philips-factory-made-vacuum-tubes\/","title":{"rendered":"Video: How the Philips factory made vacuum tubes"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2021\/02\/philips-valves-tubes-ad.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-47911\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2021\/02\/philips-valves-tubes-ad.jpg\" alt=\"\" width=\"554\" height=\"805\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2021\/02\/philips-valves-tubes-ad.jpg 554w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2021\/02\/philips-valves-tubes-ad-206x300.jpg 206w\" sizes=\"auto, (max-width: 554px) 100vw, 554px\" \/><\/a>Many thanks to <em>SWLing Post<\/em> contributor, Dave (K4SV), who shares the following video:<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/fcfMj_cqufc?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/youtu.be\/fcfMj_cqufc\" target=\"_blank\" rel=\"noopener\">Click here to view on YouTube.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor, Dave (K4SV), who shares the following video: Click here to view on YouTube.<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,305,288,43],"tags":[4019,5114,7002,5113],"class_list":["post-47910","post","type-post","status-publish","format-standard","hentry","category-news","category-nostalgia","category-radio-history","category-shortwave-radio","tag-phillips","tag-tubes","tag-vacuum-tubes","tag-valves"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-csK","jetpack-related-posts":[{"id":31790,"url":"https:\/\/swling.com\/blog\/2018\/04\/hand-made-vacuum-tubes-by-claude-paillard\/","url_meta":{"origin":47910,"position":0},"title":"Hand Made Vacuum Tubes by Claude Paillard","author":"Robert Gulley","date":"April 28, 2018","format":false,"excerpt":"This is an amazing video - hand-made vacuum tubes! About 17 minutes long - well worth the watching if you have any interest at all in old equipment! https:\/\/vimeo.com\/47812871 You can find the video here Enjoy! Robert Gulley, AK3Q,\u00a0is the author of this post and a regular contributor to the\u2026","rel":"","context":"In &quot;Art&quot;","block_context":{"text":"Art","link":"https:\/\/swling.com\/blog\/category\/art-2\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/vacuum-tube.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/vacuum-tube.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/vacuum-tube.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/vacuum-tube.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":46502,"url":"https:\/\/swling.com\/blog\/2020\/11\/ieee-spectrum-the-11-greatest-vacuum-tubes-youve-never-heard-of\/","url_meta":{"origin":47910,"position":1},"title":"IEEE Spectrum: &#8220;The 11 Greatest Vacuum Tubes You\u2019ve Never Heard Of&#8221;","author":"Thomas","date":"November 16, 2020","format":false,"excerpt":"Many thanks to SWLing Post contributor, Ed, who writes: Hi Thomas, SWLing Post readers who are fans of tube radios might enjoy reading about \"The 11 Greatest Vacuum Tubes You've Never Heard Of\" in this IEEE Spectrum article. While only a few of them have been used in radio and\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/05\/VOA-Site-B-57-of-170.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/05\/VOA-Site-B-57-of-170.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/05\/VOA-Site-B-57-of-170.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/05\/VOA-Site-B-57-of-170.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":19217,"url":"https:\/\/swling.com\/blog\/2016\/05\/tubes-and-valves-dans-research-uncovers-three-vintage-films\/","url_meta":{"origin":47910,"position":2},"title":"Tubes and Valves: Dan&#8217;s research uncovers three vintage films","author":"Thomas","date":"May 29, 2016","format":false,"excerpt":"Many thanks to SWLing Post contributor, DanH, who writes: I have been working on my Hammarlund SP600-JX-21 for the last two weeks. Results of the filter cap replacement were encouraging. I\u2019m going after an AVC issue that is probably capacitor-related as well before doing a re-alignment with the signal generator.\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"Hammarlund-SP-600","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/05\/Hammarlund-SP-600.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/05\/Hammarlund-SP-600.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/05\/Hammarlund-SP-600.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/05\/Hammarlund-SP-600.jpg?resize=700%2C400 2x"},"classes":[]},{"id":52991,"url":"https:\/\/swling.com\/blog\/2022\/06\/high-speed-a-d-conversion-in-1965-with-a-vacuum-tube\/","url_meta":{"origin":47910,"position":3},"title":"High Speed A\/D Conversion in 1965, with a Vacuum Tube!","author":"Thomas","date":"June 8, 2022","format":false,"excerpt":"Many thanks to SWLing Post contributor, Mark (AE2EA), with the Antique Wireless Museum who shares the following: This isn't a SWL, or even a ham radio story, but it's a nice technology story about a vacuum tube at the beginning of the digital age and near the end of the\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/06\/Tube-9-Bit-1.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/06\/Tube-9-Bit-1.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/06\/Tube-9-Bit-1.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/06\/Tube-9-Bit-1.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":56221,"url":"https:\/\/swling.com\/blog\/2023\/04\/radio-waves-vacuum-tube-revival-kmj-documentary-2023-domestic-broadcasting-survey-and-radio-in-zimbabwe\/","url_meta":{"origin":47910,"position":4},"title":"Radio Waves: Vacuum Tube Revival, KMJ Documentary, 2023 Domestic Broadcasting Survey, and Radio in Zimbabwe","author":"Thomas","date":"April 4, 2023","format":false,"excerpt":"Radio Waves:\u00a0 Stories Making Waves in the World of Radio Welcome to the\u00a0SWLing Post\u2019s Radio Waves, a collection of links to interesting stories making waves in the world of radio.\u00a0Enjoy! Many thanks to SWLing Post contributors Ulis Fleming, Dennis Dura, and Tracy Wood for the following tips: One Man\u2019s Quest\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/09\/Transistor-radio-dial-1.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/09\/Transistor-radio-dial-1.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/09\/Transistor-radio-dial-1.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/09\/Transistor-radio-dial-1.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/09\/Transistor-radio-dial-1.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":15023,"url":"https:\/\/swling.com\/blog\/2015\/10\/dan-spots-an-extremely-rare-hro-600-on-ebay\/","url_meta":{"origin":47910,"position":5},"title":"Dan spots an extremely rare HRO-600 on eBay","author":"Thomas","date":"October 4, 2015","format":false,"excerpt":"SWLing Post contributor, Dan Robinson, writes: Wow . . . a huge, amazing rarity...this is perhaps the rarest of radios, the HRO-600. It is almost never seen on the used market and when it is, it is usually in non-operational condition. In its day it was quite advanced, though now,\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/10\/HRO-660-Back-1024x483.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/10\/HRO-660-Back-1024x483.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/10\/HRO-660-Back-1024x483.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/10\/HRO-660-Back-1024x483.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/47910","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/comments?post=47910"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/47910\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=47910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=47910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=47910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}