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A comment on Making glass-to-metal seals for home­made vacuum tubes. Parent comment

Re:Making glass-to-metal seals for home­made vacuum tubes by drum55 on Monday June 15, 2026 @01:12PM (#48544237)
xray, photomultiplier and laser tubes are still SOTA. PM tubes in particular have a huge number of glass feed through for the intermediate plate voltages.
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Re:Making glass-to-metal seals for home­made vacuum tubes by SoftTalker on Monday June 15, 2026 @02:41PM (#48545350)
Musical instrument amplifiers still use them as well, at least some of them.
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Re:Making glass-to-metal seals for home­made vacuum tubes by namibj on Monday June 15, 2026 @04:15PM (#48546447)
Those are Not where the tubes are SOTA.
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Re:Making glass-to-metal seals for home­made vacuum tubes by eimrine on Tuesday June 16, 2026 @08:02AM (#48553902)
It is impossible to achieve a proper guitar distortion without pentodes.
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