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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: "Disappearing" Getter Question posted by stellavox on March 22, 2006 at 04:15:56:
As a tube is used, the getter flash certainly does appear to go away/disappear/get consumed. Just watch what happens to the getter flash over a tube's usage life. Output tubes, like 6550s/KT88s for example, seem to display this getter consumption more obviouly than small signal tubes. Or, watch what happens to it when a tube envelope is damaged/compromised and air enters the tube. VERY quickly the getter flash turns white'ish (having oxidized/combined with other materials?) and/or also reduces in the apparent amount on the inside of the tube envelope. Exactly where does it go/what's the exact chemistry here? Fine question.- SJ
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Follow Ups
- Re: "Disappearing" Getter Question - tvr2500m 17:42:43 03/23/06 (0)
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