[Amps] 2nd grid resistor blow Ameritron AMP 811H

[R.Measures]

On Aug 15, 2005, at 2:04 PM, Steve Thompson wrote:

>
>> -   I have observed that serious parasites in 811s can put so much EMF
>> on the filament, that it shatters into pieces and falls to the bottom
>> of the glass envelope.
>>
>>
> Even with the amp in standby?

I was not there when it happened, I saw the 3 casualties after a Ham 
brought the AL-811 over for a post mortem.  As I recall, he said he 
heard a pop after concluding the power measurement, and the three 
filaments stopped glowing.  .
>
> Steve
>
>>> -- 
>>> 73,
>>> Vic, K2VCO
>>> Fresno CA
>>> http://www.qsl.net/k2vco
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>>>
>>>
>>>
>>
>> Richard L. Measures, AG6K, 805.386.3734.  www.somis.org
>>
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>>
>>
>>
>>
>>
>
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>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org