repost - Re: [AMPS] 2nd 8877 test result

[measures]

>
>Rich,
>I will be glad to test the tube.
>Terry W6RU
>
Excellent.  Is the Eucalyptus Drive adr ok? /   I got an e-mail from 
Dani,  S58D this morning.  He suspects there is some kind of grid-cathode 
problem. I will check that out before I ship you the tube.  

cheers

>----- Original Message -----
>From: "measures" <2@vc.net>
>To: "Phil (VA3UX)" <phil@vaxxine.com>; "AMPS" <amps@contesting.com>
>Sent: Tuesday, October 03, 2000 9:56 PM
>Subject: Re: repost - Re: [AMPS] 2nd 8877 test result
>
>
>>
>> >
>> >
>> >At 03:42 PM 10/3/2000 -0700, you wrote:
>> >>
>> >>The second reportedly kaput 8877 (s/n LZZ 506) that was removed from an
>> >>AL-1500 was tested today.  The positive and the negative anode/grid
>> >>leakage was under 2uA @ 8000v - so gold-sputtering is not likely.  The
>> >>heater has continuity.  The anode appears to have been quite hot --  but
>> >>obviously not hot enough to cause seal failure.  Any guesses from the
>> >>8877-mavens as to why this tube failed?
>> >>
>> >>end
>> >>
>> >
>> >Maybe it really isn't dead at all.
>> good point.  I would hate to saw the anode off of it and find zero
>> problems.
>>
>> >Or maybe it's just plain pooped.   What's the expected life span of an 
8877..?
>>
>> c.  15k-hours.
>>
>> I need to find someone with an 8877 amplifier - that has proven glitch
>> protection, who is willing to test a tube.
>>
>> end
>>
>>
>> cheers, Phil
>>
>> -  Rich..., 805.386.3734, www.vcnet.com/measures.
>> end
>>
>>
>> --
>> FAQ on WWW:               http://www.contesting.com/FAQ/amps
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>>
>>
>
>
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>
>


-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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