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SQ and stuffing
SQ and stuffing
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Old 10th June 2013, 10:30 AM   #1
DAMIC is offline DAMIC  Seychelles
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Default SQ and stuffing


I am in process of changing the drivers in my 2 vented subs with newer Visaton TIW 250 8 OHM units. The current boxes give me net volume of 65l, which I would like to increase to about 80l.

So, I have two options, first: to slightly modify/enlarge the current boxes to desirable volume with no stuffing at all, and second, to put determined amount of polyfill , that will imitate bigger volume.

The subs will go up to 84Hz (LR/24dB, by EV Dx34a digital x-o).

Ia am ok with any option, but wonder which one would give better sound quality , smaller volume with stuffing or bigger, without.

Thank you in advance for any opinion.
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Old 12th June 2013, 02:52 PM   #2
Cal Weldon is offline Cal Weldon  Canada
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SQ and stuffing
I would estimate you're not going realize the same advantage from stuffing as you would increasing the box size by almost 1/4. I understand the stuffing can add a 'virtual' 10% to the volume
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Old 13th June 2013, 08:33 AM   #3
DAMIC is offline DAMIC  Seychelles
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Join Date: Jan 2006
Location: Beograd
Thank’s a lot Weldon, you are right. Yesterday, I find some older posts written by Sreten and Svante that lead me to the conclusion that there is no substitute for pure volume.

Virtual volume increase using wadding

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