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[Amps] Tube Burn In Question.

To: amps@contesting.com
Subject: [Amps] Tube Burn In Question.
From: ab5mm <ab5mm@9plus.net>
Date: Fri, 18 Jun 2004 21:17:30 -0500
List-post: <mailto:amps@contesting.com>
The 20+ year old 3-500Z Eimacs have lost their brilliance. I finally broke down and purchased a new pair to go into the Henry 3K-A today at HAM-COMM.
My question is how should I "burn in" the tubes?
How many hours?
Only filament and blower on? (I did the mod to cool the pins)
Filament voltage? (I can vary it)
And finally, is there a general consensus on whether or not some portion of the burn in time should include plate voltage (no drive, just idle current? (I can vary this also)


As always, Thank You for the input.

Steve
AB5MM

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