1st order Highpass filter to cap cone excursion? - diyAudio
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Old 12th December 2010, 11:15 AM   #1
Boscoe is offline Boscoe  United Kingdom
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Join Date: Feb 2010
Location: England
Default 1st order Highpass filter to cap cone excursion?

Through having a fiddle with WinISD and plotting some response curves I noticed to overall power input was limited my the driver exceeding it's xmax sub 30-40Hz which for the floorstanders I'm designing isn't vital. So I added a 1st order highpass butterworth filter to it crossed at 50Hz, this brought the excursion down dramatically but I noticed the SPL sub 40Hz didn't change even at 50W input.

Is this possible or is it a glitch in WinISD?
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