subwoofer vs ib subwoofer

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meh66

Copper - Posts: 266

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Joined: October 26, 2003

Location: United States

Posted: October 09, 2008 at 8:02 AM / IP Logged

I wanted to know how could I look at a woofer and be able to know if it is an IB woofer or one that should be used in a box? Does IB (Infinite Baffle) mean the same thing as free air?

MEH66

"Car Performance and Mobile Electronic Enthusiats"

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megaman

Copper - Posts: 385

Joined: June 24, 2008

Location: Montana, United States

Posted: October 09, 2008 at 9:07 AM / IP Logged

You can't just look at a sub and determine if it's IB or not. It's gonna look exactly like it's boxed counterpart. The spec sheet will tell you if it's IB or not.

Yes, Infinity Baffle is the same as Free Air.

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meh66

Copper - Posts: 266

Joined: October 26, 2003

Location: United States

Posted: October 09, 2008 at 12:37 PM / IP Logged

Thanks Megaman.....here are the specs of the woofer. Dayton said it could be used in a free-air because the QTS is high. In my reading of these terms..I would think that the VAS would be better reference...but I am new at understanding about speaker measurements.

SD215-88 8" DVC Shielded Series Subwoofer Specifications

Power Handling: 80 watts RMS/120 watts max
VCdia: 1.5"
Le: 1.2 mH
Impedance: 8 ohms per coil
Re: 3.00 ohms
Frequency range: 30-2,000 Hz
Fs: 28 Hz
SPL: 89.0 dB 2.83V/1m
Vas: 1.40 cu. ft.
Qms: 3.40
Qes: .47
Qts: .41
Xmax: 6 mm
Dimensions:
Overall Diameter: 8-1/2"
Cutout Diameter: 7-1/8"
Mounting Depth: 4-1/4"

MEH66

"Car Performance and Mobile Electronic Enthusiats"

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subwoofer vs ib subwoofer

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