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In Reply to: RE: Musings on true-ribbon roll-off points for 3-way Maggies - corrected!! :-)) posted by andyr on October 24, 2009 at 02:53:58
Andy,
I finally had a chance to run the full 3.3R high pass filter (Lars values, 3 ohm driver) in Matlab. The component values are not correct for a fourth-order Butterworth filter, and provide some low freq peaking. The actual roll-off point is close to yours.Does your analysis tool show the same peaking characteristic as well?
regards,
Jim
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