[AMPS] SB-220 TUNE Cap Arcing

[Rich Measures]

>
>>My guess is that amplifier is not perfectly stable.  There's a 1000v 
>>safety margin in the breadown V of the Tune-C.  When the Tune-C arcs, 
>>chances are that it ain't due to teensy  fruit flies or gnats. 
>
>Rich,
>
>He has nichrome suppressors in there that are supposedly of correct 
>value.  I think even those who think nichrome unecessary wil agree that 
>they do add additional stability.  So...what else can he do?
>
Increase Lsup (by squeezing turns together) and observe what happens.  


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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