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Second Skin Audio

Explain Vas for me


IH8PunkRok

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ive looked over a lot of places and the definition ive found is "the amount of air equivalent to the 'springyness' of the subwoofer's suspension"

now how does this factor into box design? should the box volume be close to the vas? or is it useless info?

-Matt

2005 Dodge Magnum RT
JVC KD-AVX1

2 PPI S580.2

Obsidian Audio ST1 Horn Tweeters

PRV 8MB450s

Audio Legion 3500.1D

2 RE MT 18s

360 ah LiFePO4 Battery
SHCA 2/0

155.2 @ 29 hz



Kicker CVR 15's build
DD 3512e build
Mini T-Line Build
(6) 8s Build
Nightshade 15s Wall Build
Magnum AB XFL 12s Build
Newest Magnum Build

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Your description is correct. It describes the suspension stiffness vs. compression of an equivalent volume of air.

Check this out along with the frequency response tab:

http://www.diysubwoofers.org/prt/ported1.htm

Current system:

1997 Blazer - (4) Customer Fi NEO subs with (8) American Bass Elite 2800.1s

Previous systems:

2000 Suburban - (4) BTL 15's and (4) IA 40.1's = 157.7 dB at 37 Hz.

1992 Astro Van - (6) BTL 15's and (6) IA 40.1's = 159.7 dB at 43 Hz.

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