basically the whistle in my mic is caused by the boom being almost 1/4 wave
(50cm approx) so fix for most will be an earth at base of boom from the
coax. The mic has grown over the years and the power or xcom is more than
microair etc. Thats about the story
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Ian McPhee (skype macca304)
Box 657
Byron Bay NSW 2481 Australia
Tel +61(0)2 66847642 mob +61(0)428847642
ralia (remove stralia)
www.mrsoaring.com