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@gmail.com>
To: <amps@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
---
This email has been checked for viruses by AVG.
http://www.avg.com
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|