[Amps] Gettering tubes?

[Carl]

Probably near forever; Ive never found one that needed it using a hi-pot 
tester.
However it wont hurt to run the filament only for a few hours , with air, 
before applying HV.

Carl


----- Original Message ----- 
From: "Ed Stallman" <ed.n5dg at gmail.com>
To: <amps at contesting.com>
Sent: Sunday, March 25, 2018 12:49 PM
Subject: [Amps] Gettering tubes?


> How long can Eimac 8877 tubes set on the shelf before needing gettering ?
>
> Ed N5DG
>
>
>
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