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12th December 2010, 10:15 AM
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#1 |
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diyAudio Member
Join Date: Feb 2010
Location: England
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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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