Id be more concerned about the PS if the filters havent been replaced. There
are also a few resistors and a small electrolytic that change value/go
leaky.
An hour should be sufficient as that tube appears to age well if it isnt a
well abused pull.
Carl
KM1H
----- Original Message -----
From: "Bob K6UJ" <k6uj@pacbell.net>
To: <amps@contesting.com>
Sent: Tuesday, March 27, 2012 11:48 PM
Subject: [Amps] gettering question
> With an amplifier that uses a pair of 3CPX800's, like my converted Alpha
> 76CA, how long should I
> let it sit there heating the filaments before using, when it hasn't been
> used for 2 or 3 years ? Couple of hours, 1 day, ?
>
> Bob
> K6UJ
>
>
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>
>
> -----
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