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[AMPS] Follow Up on the SB-220 Follow UP

To: <amps@contesting.com>
Subject: [AMPS] Follow Up on the SB-220 Follow UP
From: measures@vc.net (Rich Measures)
Date: Thu, 18 Mar 1999 08:51:23 -0800


>>Parasites can be intermittent, seemingly without rhyme or reason. 
>
>Yeah but Rich, he said the amp was in standby meaning "unkeyed." 

?  indeed
  
> If you 
>think that he had a parasitic event while unkeyed, please explain how 
>this could happen.  I always belived that a tube in cutoff would be very 
>hard to get oscillating.  You also told me this once.
>
?  The how part beats me.  It has not happened to me, however, I have 
talked to a number of those who have had it happen.  How do we know it 
was a parasite?  Bent fil. helix / sudden change in suppressor resistance 
/ 6kV bandswitch arcs in amp. with 3kV anode supply, are clues.  .      

-  later, Jon


Rich...

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


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