[TenTec] warming up of tubes

[Duane A Calvin]

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 at 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