Anyone willing to build Crossovers? - Home Theater Forum and Systems - HomeTheaterShack.com

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post #1 of 26 Old 03-13-08, 03:04 PM Thread Starter
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Anyone willing to build Crossovers?

Hey all. I've been doin DIY subs for some time now and i'm thinking of taking the plunge into DIY speakers. Want to build a new front sound stage but have ZERO experience with crossover design nor do i want to learn-my brain is too full of other stuff already. If i supplied the needed materials and parameters, could someone build the X-overs for me ?
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post #2 of 26 Old 03-13-08, 06:02 PM
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Re: Anyone willing to build Crossovers?

Would you be interested in building an already documented design?
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post #3 of 26 Old 03-13-08, 06:52 PM
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Re: Anyone willing to build Crossovers?

I'd be happy to solder things up for you and make it look nice. However, so much of crossover design is trial and error. You can get a perfect design in the tools and then have it sound bad because the woofer is a little high and the midrange a bit low, or the tweeter is a bit hot.

If you use a proven design, the odds of you getting it right are much better, however, variances in drivers could still make you unhappy with the final results.

And maybe I'm a glutton for punishment, but I actually like the trial and error part
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post #4 of 26 Old 03-13-08, 06:58 PM
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Re: Anyone willing to build Crossovers?

If you want to skip the crossover design part, you can alway go active. I think most would agree that an active system will be superior to a passive system.

The obvious downside is cost -- you'll need the crossover itself plus the additional amps, but if you can afford it, it'll offer better performance.

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post #5 of 26 Old 03-14-08, 04:31 PM
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Re: Anyone willing to build Crossovers?

Another option you could do, and I have no idea how good it'd turn out, is to have Madisound design the crossover for you. Based on the price, I'd assume that design is pretty theoretical without any real testing.. but it's cheap, and it'll give you something at least "decent".

Madisound Crossover Design

Also, here's another quickie on crossover building..


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post #6 of 26 Old 03-14-08, 06:02 PM
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Re: Anyone willing to build Crossovers?

I'd skip the Madisound design services. Even their Thor speaker kits aren't very good. One of my engineer buddies was so dissatisfied with the design that he started over from scratch. They sound very good now!
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post #7 of 26 Old 03-17-08, 11:19 AM
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Re: Anyone willing to build Crossovers?

I didn't think the crossover was designed by Madisound but rather by Joe D'Appolito.
In fact, I thought most of the designs on their website weren't their own -- I could be very wrong of course.

Not trying to sidetrack the OP, but what didn't your friend like about the Thor?

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post #8 of 26 Old 03-17-08, 11:58 AM
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Re: Anyone willing to build Crossovers?

Hmm, I didn't know that. That might call for some more investigation:

If the crossover was designed by Joe D'appolito, then by all means, give it a try. He is one of the foremost experts in speaker design. It still may have problems due to enclosure size, baffle, and driver variances -- but it would be a good start. If it's just designed by someone at Madisound using Sound Easy, or Speaker Workshop, then I'd wager you should just try yourself.

Again, though, crossover design is about trial, error, and measurement.
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post #9 of 26 Old 03-17-08, 01:07 PM Thread Starter
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Re: Anyone willing to build Crossovers?

Any good books about the subject that don't require a degree in engineering??
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post #10 of 26 Old 03-17-08, 02:33 PM
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Re: Anyone willing to build Crossovers?

You will need the degree
I used Madisound to design the crossover for my wilson watt puppy clones and they did a fairly good job of it. Then I gave the speakers to my friend who then built a center channel with the same drivers and madisound made the xover for it. I must admit that his sytem sounds petty bleedin good now FWIW.
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