passive crossover - Page 3 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #21 of 21 Old 04-11-14, 09:32 AM
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Danny Richie's Avatar
 
Join Date: Jul 2009
Location: Iowa Park, Texas
Posts: 279
Re: passive crossover

Hey guys,

Just a few things to think about...

Designing crossovers is something that I have been doing professionally for a long time. Most of you know who I am or even own some of our products or products from companies that I have designed for in some way.

Software like Harris Tech bases its figures on electrical parameters. They are what is know as textbook designs. Sometimes they get you in the ballpark but usually not.

Crossovers really need to be designed based on acoustic output. This is not limited to a measured response of the drivers used either. It really involves the output of the drivers used in the cabinet that you are using them in. And the cabinet design and surface reflections of the cabinet will have a dramatic effect on the response. Time and phase must also be accounted for. Break up mods have to be minimized. Impedance's need to be matched. Output levels matched. etc.

If it were only as easy as a mathematical calculation...

For me to design a crossover for anyone I have to have the speaker here in a cabinet that is identical to the one that will be used in the final product. Without that I won't even attempt the job.
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