Extending tube life?

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Found a small quiet electric fan and have it blowing on the 7868 output tubes when using my fisher 400. My question is, will this extend the life of these tubes? or, am I wasting time and energy? Curious about this. Thanks for answers.........

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Topic - Extending tube life? - Fishstink 18:27:17 09/06/03 (6)

Re: Extending tube life? - John 10:38:47 09/08/03 (0)

Re: Extending tube life? - John 10:38:30 09/08/03 (0)

Re: Extending tube life? - steve oda 22:10:48 09/06/03 (0)

Re: Extending tube life? - mkmelt 20:32:24 09/06/03 (0)

Re: Extending tube life? - Gerald 19:27:31 09/06/03 (0)

Re: Extending tube life? - Herbie 18:57:07 09/06/03 (0)

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