----- Original Message -----
From: Jeff Maass <jmaass@columbus.rr.com>
To: Amps Mailing List <amps@contesting.com>
Sent: 12 October 2003 02:13
Subject: [Amps] Conditioning Spare Tubes After Storage
>
> I have a pair of 4CX800A tubes that have been on
> the shelf here for a few years (and for an unknown
> period before I got them). I'm about to swap them
> into one of my Alpha 91b amps.
>
> Is there a recommendation to let these tubes run
> without HV for a period before pressing them into
> full service?
It's difficult to see how it could cause any harm. I've used the guidelines
in SM5BSZ's site. I still go that route if a tube is leaky on a hipot test.
Steve
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