[AMPS] SB1000 parasite question for Tom and Rich+

[measures]

>
>>If "tinks" in a vacuum can be heard (ie. de-wiskering a vacuum cap), then
>>big bangs in a vacuum should also be heard.
>>
>vac. cap. tinks can barely be heard.  Big bangs are loud.  The
>accompanying flash comes from the HV circuitry.
>
>The tink can barely be heard because it is a current limited arc.

 The vac. capacitor itself is an extraordinary source of (peak) current 
during an internal arc. 

>Does anyone care to sacrifice a vacuum variable for the good
>of the cause and hang it across a big amp power supply with a
>tape recorder running? You will loose a good cap, but you will
>be made famous here on the reflector in hundreds of references
>to your test.
>
>IMO, Tom is right and Rich is right. The loud bang is caused by
>the heating of the air from the external arc(s) in the tank circuit/power
>supply. This covers up any internal arc noises by many DB.
>

amen to that. 


later

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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