<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 23, 2025, at 6:02 PM, cheater cheater via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" class="">synth-diy@synth-diy.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Another thing I've been thinking about recently is vacuum tube manufacture.<br class=""><br class="">Just shooting the breeze.<br class=""></div></div></blockquote></div><div class=""><br class=""></div><div class="">You just opened a can of worms. 8D</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><div class="">On Feb 23, 2025, at 9:37 PM, Jay Schwichtenberg via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" class="">synth-diy@synth-diy.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">About 20 years ago a friend worked for a company that made tubes. They had bought the tools and materials from a company that quit making tubes. Their plan was to do custom and out of production tubes until they ran out of materials. They did that until the materials were gone.<br class=""></div></blockquote></div><div class=""><br class=""></div><div class="">I'd recommend talking to Eric Barbour at Metasonix. He can tell you how "easy" it is. Very cynical but at least he doesn't beat around the bush.</div><div class=""><br class=""></div><div class="">How about cold cathode Nixie tubes to start out with? They're a tiny bit easier. Several people have done it and some are selling new ones with warranties. There are videos in the usual place.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">
<div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Terry Bowman, KA4HJH<br class="">"The Mac Doctor"<br class=""><br class=""></div><div class=""><a href="https://www.astarcloseup.com" class="">https://www.astarcloseup.com</a></div><div class=""><br class=""></div><div class="">"If only you could see what I've seen with your eyes."—Roy Batty, <i class="">Blade Runner</i></div></div></div></div></div></div></div>
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