From: Robert & Linda McGraw K4TAX <RMcGraw@Blomand.Net>
Reply-To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Centurion
Date: Sat, 10 Dec 2005 23:08:07 -0600
I'll be interested to read all the answers on this one.
73 & Merry Christmas to all.
Bob, K4TAX
----- Original Message -----
From: <CATFISHTWO@aol.com>
To: <tentec@contesting.com>
Sent: Saturday, December 10, 2005 4:05 PM
Subject: Re: [TenTec] Centurion
>
> there is a component in side the tube called a "getter" and if storing a
> tube for any length of time while in the radio it is good practice for
you
> to
> turn on the amp for a bit ( like an hour) once a month or so to allow
the
> getter
> to colect the stray atoms of other gasses let in the tube while being
> manufactured. Especially true on highh power transmit tubes... or so the
> story
> goes YMMV
>
> tom N6AJR
>
> """"""
>
> Often when those glass tubes set for a while they collect gas,
>
> Usually people will turn the amp on for a day or so after storage
without
> High Voltage to let the filiments draw the gas out of the tube,
>
> If you apply HV too soon, the gas could ionize and blow a hole in the
> grid.
> Usually with a nice sounding pop....
>
> If you see the purplish color at the top of the tube when you key the
TX,
> you got some gas in the tube.
>
> This is the most prevelent cause of Tube death for tube amps.
>
> Check the tubes....
>
> Best wishes,
> Rich
> K5SF """"""
>
>
>
>
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