Don't know what the accepted practice is, but I've fired up with the
cathodes on for about 5 seconds. No ill effects observed.
73, Duane
On Thu, 18 Dec 2003 12:13:50 -0500 "John" <brazos@rochester.rr.com>
writes:
> Can any one tell me how long must I allow the tubes in my centurion
> warm up before use ? John
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Duane Calvin, AC5AA
Austin, Texas
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