RE: there must be a scientific reason for tube break-in

Posted by Groundhog Phil (A) on January 18, 2016 at 21:41:06

In Reply to: there must be a scientific reason for tube break-in posted by airtime on January 18, 2016 at 06:55:30:

For old tubes that have been sitting around for decades they tend to be a little noisy for the first 48 hrs. I beleive this is due to the getter outgassing some impurities and when the tube gets hot they are reabsorbed by the getter. Usually a 24 to 48 hrs Burn-In will resolve this issue.
Groundhog Phil

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Follow Ups Full Thread

Topic - there must be a scientific reason for tube break-in - airtime 06:55:30 01/18/16 (12)

What if you tried a high-testing, brand new 12AT7 or 12AY7? - FenderLover 07:42:57 01/19/16 (2)

RE: What if you tried a high-testing, brand new 12AT7 or 12AY7? - airtime 07:47:08 01/19/16 (1)

JOC - FenderLover 10:22:47 01/19/16 (0)

I think it is random - Frihed89 01:13:18 01/19/16 (0)

RE: there must be a scientific reason for tube break-in - Groundhog Phil 21:41:06 01/18/16 (1)

RE: there must be a scientific reason for tube break-in - Lee of Omaha 11:49:22 01/23/16 (0)

RE: there must be a scientific reason for tube break-in - SETdude 15:54:08 01/18/16 (0)

RE: there must be a scientific reason for tube break-in - johns dad 13:26:37 01/18/16 (0)

RE: there must be a scientific reason for tube break-in - Alpha Al 12:58:57 01/18/16 (0)

RE: there must be a scientific reason for tube break-in - Caucasian Blackplate 09:44:31 01/18/16 (0)

It can only be....Corrosion - Byrd69 07:24:31 01/18/16 (1)

RE: It can only be....Corrosion - airtime 07:31:06 01/18/16 (0)

Follow Ups

RE: there must be a scientific reason for tube break-in - Groundhog Phil 21:41:06 01/18/16 (1)

RE: there must be a scientific reason for tube break-in - Lee of Omaha 11:49:22 01/23/16 (0)

RE: there must be a scientific reason for tube break-in

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