volume question and critiques appreciated - Page 2 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #11 of 13 Old 05-16-08, 09:50 AM Thread Starter
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Re: volume question and critiques appreciated

Quote:
collo wrote: View Post
My main concern would be a possible obstruction between the driver and the port intake. I would like to see maximum coupling between the two.

For addressing resonances, I would go for lining as opposed to stuffing.

For a more technical reason, have a look at the comment by John Janowitz
from Acoustic Elegance in this discussion
Maximun coupling....would that mean as in a sono sub the port is directly in line with the driver? without any stuffing--only lining.
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post #12 of 13 Old 05-16-08, 04:02 PM
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Re: volume question and critiques appreciated

I agree Collo. Stuffing is better for sealed subs as it makes the box to appear larger. Lining is enough for vented ones.

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post #13 of 13 Old 05-16-08, 04:41 PM
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Re: volume question and critiques appreciated

Quote:
asiquis wrote: View Post
Maximun coupling....would that mean as in a sono sub the port is directly in line with the driver....
Not necessarily.

Consider the port as being "charged" by the springiness supplied by the air in the box. If the port was right on top of the driver, there may not be enough clearance for the air to work its magic.

The recommended clearance of one port diameter should be enough though.

It would be interesting to compare port output at the tuning frequency for different configurations. Maybe someone from the car audio competition crowd would know the answer.
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