>>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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