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post #1 of 5 Old 08-19-2012, 07:58 AM - Thread Starter
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I want to make surrounds with the Aura NS6-255-8A and the Vifa BC25SC06-04 1" Textile Dome Tweeter. I have the Stentorians towers and CC.

I've seen the current builds for using the woofer and tweeter and from what I can tell the designs are ported except for the Sten2's. I'm looking at putting them into a sealed box and need help with the crossover. I would like the same sound as my towers and CC. What would be the best crossover design to achieve this? Could I use the same XO as the Aurbac's or would I need to model something else since my box would be sealed instead of ported or does that matter?

Would I just crossover at 3500Hz or 4000Hz? Should I use 3rd butterworth or something else? This would be my first stab at making a crossover so a little help is appreciated.

Thanks for any advice.
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post #2 of 5 Old 08-19-2012, 02:31 PM
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designing a passive crossover is not a trivial task. it would be best if you could find something already designed that fits your needs.

Listen. It's All Good.
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post #3 of 5 Old 08-19-2012, 07:13 PM
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If you're putting these up against the wall you'll be fine just plugging the port on one of the may designs using those drivers. If you can get the tweeter's .frd and .zma files I can design something specific for you, but It's kind of pointless with the many designs available.

The design in post #1 should do well up against a wall with port plugged.

http://techtalk.parts-express.com/showthread.php?223120-budget-MT-NS6-and-BC25SC

If you're not putting them against a wall then the porting shouldnt matter


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post #4 of 5 Old 08-20-2012, 03:23 AM
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Quote:
Originally Posted by LTD02 View Post

designing a passive crossover is not a trivial task. it would be best if you could find something already designed that fits your needs.

Quote:
Originally Posted by Jay1 View Post

If you're putting these up against the wall you'll be fine just plugging the port on one of the may designs using those drivers. If you can get the tweeter's .frd and .zma files I can design something specific for you, but It's kind of pointless with the many designs available.
The design in post #1 should do well up against a wall with port plugged.
http://techtalk.parts-express.com/showthread.php?223120-budget-MT-NS6-and-BC25SC
If you're not putting them against a wall then the porting shouldnt matter

Agreed on all that is said above. From all accounts, the design Jay1 linked sounds very good and I would likely build that to go with your other speakers.

That said, I have .frd and .zma for the Vifa tweet as I have used it a few times...should you want to go down that road.

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post #5 of 5 Old 08-20-2012, 08:26 AM
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Quote:
Originally Posted by rolltide0323 View Post

I want to make surrounds with the Aura NS6-255-8A and the Vifa BC25SC06-04 1" Textile Dome Tweeter. I have the Stentorians towers and CC.... I would like the same sound as my towers and CC. What would be the best crossover design to achieve this?....
The one in the Sten II's.
Quote:
This would be my first stab at making a crossover so a little help is appreciated.
Seriously, if you want a similar sound from varying speaker designs, your best bet is a common designer as well as common drivers. That's the Sten II.

If you want to learn speaker design, an interesting, fulfilling and practical hobby, it's a different story. Just realize you're not likely to achieve a similar sound as another designer in your first build, as gettting good sound is hard enough! Since you're throwing out terms, I suspect you don't know the process. Here's a good introduction.
http://www.pvconsultants.com/audio/frdgroup.htm
for tools and for an example of their usage, look here.
http://www.rjbaudio.com/Audiofiles/FRDtools.html

Have fun,
Frank
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