[Amps] Dimished Tube Life

[Gary Patterson]

4 hours
 
> From: mhughes149 at verizon.net
> To: amps at contesting.com
> Date: Thu, 24 Sep 2009 22:43:13 -0400
> Subject: [Amps] Dimished Tube Life
> 
> Hello all !
> 
> I wonder, and I hope someone can offer a reasonable explanation. If I turn on my AL 1500 Amplifier, which uses the 8877 indirectly heated cathode tube when I come into the shack and then 4 hours later, I turn off the amplifier and go about my business, how much have I shortened that tubes' life ?
> 
> KE9AG
> 
> Mike..
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