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2kw tubes
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To: "'Tesla List'" <tesla@pupman.com>
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Subject: 2kw tubes
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From: Tesla List <tesla@stic.net>
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Date: Fri, 29 May 1998 23:35:54 -0500
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Approved: tesla@stic.net
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From: Edward V. Phillips [SMTP:ed@alumni.caltech.edu]
Sent: Friday, May 29, 1998 3:42 PM
To: tesla@pupman.com
Subject: Re: 2kw tubes
"They would be pretty used, I believe he said
something akin to the thorium on the filament being
eroded, but if I were to increase the filament
voltage I should be able to get them to emit. "
There is a standard procedure to reactivate thoriated
tungsten filaments. It consists of running the filament
as hot as you dare for a few minutes, then coming back to
normal operating voltage and letting the filament run for
a while. Can send you more exact quote if you become
interested.
Ed