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no this is somethingn very odd going on, I just timed it, every 20 seconds I get a vert shake that last about 3 seconds, its like clockwork.
I have had odd bends (hulas I call them) that seem to be a beat freq of the vert rate vs the line rate, slow moving weaves.
argh...
when I had the hula it was a bad ground on the defection board of a mid 60's B&W maggie.
yep still doing it, every 20 seconds it gets the shakes for about 3 seconds.
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