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[AMPS] SB-1000 mods?

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Subject: [AMPS] SB-1000 mods?
From: (2)
Date: Thu, 13 Sep 2001 06:27:02 -0700
>2 wrote:
>>>>//  Please name and explain some other causes of potentially fatal 
>>>>current surges, Mr. White.
>>>You appear to have forgotten that this very subject was discussed at
>>>some length back in January/February. 
>>//  Alzheimers?
>Nah... you're just not changing your memory backup batteries often
>enough. Or maybe it's parasitic diodes in the I/O ports   :-)
>>>Here are a few quotes from the literature.
>>>"Although a very high degree of insulation between two electrodes can be
>>>obtained... by modern high-vacuum technique, it is nevertheless possible
>>>for this insulation to break down spontaneously and completely. This
>>>phenomenon is known by various names, such as... the "Rocky Point
>>>effect", after the American wireless station, which is one of several at
>>>which it has been observed. ...  Time lags [after application of
>>>voltage] can vary between a few seconds or minutes to tens, hundreds or
>>>even thousands of hours." 
>>>Gossling (British GEC), 'The Flash-Arc in High Power Valves', 1932.
>>//  What of G.W. Fyler (Sept.,1935) article in the IRE Journal - 
>>"Parasites in Transmitters"?  
>We all 

//  not quite, Ian.  There's the person who professes that AC 
circuit-analysis is not valid for L-R parasitic suppressors.  

>know that parasitic oscillations can be a cause of current surges
>My very simple point is that they are just *one* of several possible
//  But the "several" are not the cause of bent/broken filaments and 
gold-sputtered grids.  


-  R. L. Measures, 805.386.3734, AG6K,  

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