[AMPS] Re: Poor science

[measures]

>
>> >My inclination is now turning toward a short from anode to ground through
>> >the grid.
>> >An ammeter in the cathode lead would remain at zero during an event like
>> >this.
>> >A tell-tale pile of grid pieces in the bottom of the tube envelope lead me
>> >down this path.  A purely uneducated guess eight years after the fact from
>> 2000
>> >miles away!
>> >
>> This scenario would have required broken anode cooler welds - which
>> allowed the anode cooler to tip sideways and touch the grid.  Terry did
>> not report such an occurrence.
>> If Terry still has the fil./grid shorted tubes, I can disassemble them,
>> photograph what I find, and post it on my Web site.
>>
>> cheers, Phil

>My feeling is that the failure was NOT mechanical in nature.

agreed

>I have an 8877 here that trips 30 amp breakers while drawing "0" cathode 
>current.
>
Interesting, Phil.  want to sell it?  name your price.  What kind of 
amplifier?

later

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