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Linkwitz Transform question
Linkwitz Transform question
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Old 19th January 2007, 06:38 PM   #1
mikee55 is offline mikee55  United Kingdom
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Default Linkwitz Transform question

Hi all, can someone explain why the Linkwitz Transform doesn't use a lowpass filter? There is no mention on Rod Elliott's Project to use a crossover.

I'm just curious before I repair mine.I used a lowpass filter in-between mixer and L. Transform. Anybody else use it this way?

Cheers mikee55
If it don't work, I'll fix it in the mix! Or visit http://lsdp.proboards.com/index.cgi
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Old 19th January 2007, 07:14 PM   #2
Dag is offline Dag  Sweden
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A closed box speaker behaves as a 2nd order HP filter at low frequencies.
You might think of the Linkwitz Transform as a "thing" that first makes the FR flat and then makes a new 2nd order HP filter at (almost) any frequency and Q.
A LP filter (+Linkwitz Transform) can sometimes be a good idea to avoid breaking the woofer because of high excursion but maybe it is better to adjust the Linkwitz Transform for safe operation.

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