>
>Is the heater resistance normal.
What is normal for a cold 8877 heater?
>Some heaters open and then heal??
>
>DA
>-----Original Message-----
>From: measures <2@vc.net>
>To: AMPS <amps@contesting.com>
To: <amps@contesting.com>
>Date: Tuesday, October 03, 2000 3:41 PM
>Subject: [AMPS] 2nd 8877 test result
>
>
>>
>>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
>>
>>- Rich..., 805.386.3734, www.vcnet.com/measures.
>>end
>>
>>
>>--
>>FAQ on WWW: http://www.contesting.com/FAQ/amps
>>Submissions: amps@contesting.com
>>Administrative requests: amps-REQUEST@contesting.com
>>Problems: owner-amps@contesting.com
>>
>>
>
>
>--
>FAQ on WWW: http://www.contesting.com/FAQ/amps
>Submissions: amps@contesting.com
>Administrative requests: amps-REQUEST@contesting.com
>Problems: owner-amps@contesting.com
>
>
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
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