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Re: Question for Mark Gilmore & John Harper

0

(no right hand at present following skiing accident,
hence typing style)

if you have the chokes then that's not the problem.
is your input signal clean? check with a short on
the input. really you need to chase through with a scope
and find where the hum is coming from. also check
'the ripple on driver supply - with chokes should be a few mv

john


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