The most correct answer is : 4 hours
Don WA4NPL
Quoting Mike <noddy1211@sbcglobal.net>:
> What a Crap answer, in reality nothing that you could even measure, don't
> even worry about it
>
> Mike
>
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
> Behalf Of Gary Patterson
> Sent: Thursday, September 24, 2009 8:02 PM
> To: amps@contesting.com
> Subject: Re: [Amps] Dimished Tube Life
>
>
> 4 hours
>
>> From: mhughes149@verizon.net
>> To: amps@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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>
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