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. Or maybe it's just plain pooped.
What's the expected life span of an 8877 if operated within recommended
patterns.
Phil
>- Rich..., 805.386.3734, www.vcnet.com/measures.
>end
>
>
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