Can someone help me model this driver in WinISD? - AVS Forum
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post #1 of 2 Old Today, 05:20 PM - Thread Starter
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Can someone help me model this driver in WinISD?

It is the MTX Audio 5515-44. When I modeled it I had it tuned to 2ft^3, 25Hz, round port of 3.23 and a vent length of 15.23.

For signal I put 200.

I get a rear port velocity right at 20 when the sub hits 20Hz (15 at 25Hz). I am at 95db at 20Hz.

I'm really just looking to see if I'm doing something wrong. To my untrained eye it looks pretty good. I found the driver on craigslist, so I thought I'd look it up and model it.

The manual says to use a 2.48ft^3 vented enclosure, but that is too high velocity, and I'm guessing it doesn't matter because that's for a car.

Thanks for any help.

I know it is for a car, but if the numbers look good, what does it matter?
What am I overlooking?

https://www.mtx.com/5515-44-mtx-car-subwoofer


Attached is the .wdr file for anyone that desires to help. It has the extension .txt, so the extension needs to be changed.
Attached Files
File Type: txt MTX-Audio-5515-44.txt (849 Bytes, 0 views)

Samsung 51" PN51E450A, Pioneer VSX-918V, Polk Tsi300, Polk CS 2 series ii center, gonna get a sub...one day.
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post #2 of 2 Old Today, 05:25 PM
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I havent modeled it but considering the Vas is over 6 ft3 and the Qts is .79 I seriously doubt it looks very good in 2 ft3 25hz box
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