Subs with Magnets out

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Walkercustoms

Copper - Posts: 219

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Joined: May 19, 2004

Location: United States

Posted: May 15, 2005 at 2:51 PM / IP Logged

When building a box for subs with the magnets facing out how do you determin air space? Do you still make it say 2cubic ft or less because there is not speaker displacement.

Thanks

wade

Alpine Guy

Platinum - Posts: 2,478

Joined: October 18, 2003

Location: Canada

Posted: May 15, 2005 at 2:55 PM / IP Logged

if the sub asks for 2 cu.ft then make it exactly 2 cu.ft when inverted, , ,if mounting normally you would have to make it 2 cu.ft plus say 0.3 cu.ft to compensate for the sub displacement ending with a 2.3 cu.ft box.

2003 Chevy Avalanche,Eclipse CD7000,Morel Elate 5,Adire Extremis,Alpine PDX-4.150, 15" TC-3000, 2 Alpine PDX-1.1000, 470Amp HO Alt.

oonikfraleyoo

Gold - Posts: 1,069

Joined: January 04, 2005

Location: United States

Posted: May 15, 2005 at 3:20 PM / IP Logged

What AlpineGuy said is dead on the mark. But,the change in air space for most subs will make no audible difference.

Nik

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Subs with Magnets out

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