[Amps] New Tubes - Question

[Carl]

It wouldnt hurt to run them for 20 minutes or so with the plates showing a 
bit of color with no drive. The same holds with Eimacs that have been stored 
for several years. Be sure a HV current limiting resistor is in the HV lead 
in case a tube decides to flash over.

This assumes that you have sufficient air flow to keep the tube seals 
contented. At least treat that original SB-220 fan to a tear down, cleaning 
and relube.

Carl
KM1H


----- Original Message ----- 
From: "Lee Buller" <k0wa at swbell.net>
To: <amps at contesting.com>
Sent: Friday, July 18, 2008 12:19 PM
Subject: [Amps] New Tubes - Question


>
>
> Question....
>
> I have a new pair of Taylor 3-500Zs from RF Parts in my amp.  Do they have 
> to been "burned in" or "gettered" before actual use?  The seem to work 
> fine and make power.  Never did that with the new SB-220 back in the 
> day....just plugged them in and operated.  But, I've read comments here on 
> the list about doing this....
>
> Lee - K0WA
>
>
> In our day and age it seems that Common Sense is in short supply.  If you 
> don't have any Common Sense - get some Common Sense and use it.  If you 
> can't find any Common Sense, ask for help from somebody who has some 
> Common Sense.  Is Common Sense divine?
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