[AMPS] 8877 test results.??

[Steve Thompson]

-----Original Message-----
From: measures <2@vc.net>
To: Bill Aycock <baycock@hiwaay.net>; AMPS <amps@contesting.com>
Date: 15 September 2000 03:27
Subject: Re: [AMPS] 8877 test results.??


>
>>
>>I have seen several postings with the subject "8877 test results"- but no
>>results.
>
>Positive leakage was 10uA at 4000v.  Negative leakage was 0uA at 6000v.
>This is typical of gold sputtering.  Autopsy revealed one gold blister on
>the lower part of the grid.  There were no bare patches of base metal on
>the grid.   Most of the meltballs apparently landed on the anode
>insulator.

Why was the tube taken out of service - in what way had it stopped
functioning?
Steve



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