I have no purpose in life.......

[bloodhound50 10+ year member]

Within the last few years, the car audio field has seen a variety of subwoofers using non-circular shapes from manufacturers such as Kicker, Sony, Bazooka, X-Tant, etc. There is no known net audible advantage to these shapes. They can, in some situations (limited mounting space, for instance) give a greater cone surface area and so higher output at low frequencies, but on the other hand, non circular surrounds are more prone to distortion, especially in high excursion applications.

The nominal intent of a non-round subwoofer is to increase the surface area of the woofer's cone (e.g., the square shape mentioned above). In enclosures of the particular size, more subwoofer cone area is possible with some of these shapes. The increased surface area nominally means moving more air and higher sound pressure levels. However, this neglects the asymmetric effects of excursion with surrounds having corners, and the increased distortion which follows.

An important factor in the "square sub vs round sub" argument is the effects of the enclosure used. In a sealed enclosure, all displacement is determined by

where Vd stands for volume of displacement, xmax to the amount of linear excursion the sub is mechanically capable of (in mm), and Sd to the cone area of the subwoofer (in cm2). These are some of the Thiele/Small parameters which can often be found in the owner's manual or driver specifications. Because of the multiplication, excursion is as important as cone area to generate SPL. However, the importance of these parameters shifts if the subwoofer is used in a ported enclosure. When a subwoofer produces frequencies near the tuning frequency of the ported enclosure, excursion decreases and cone area becomes more important.

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[billabongcr 5,000+ posts]

the purpose of this was?

stating what everyone already knows?

 

[WantedIsHere]

is there a paper due by all members or somethin i didnt know about....

 

[Hintzyboy 5,000+ posts]

is there a paper due by all members or somethin i didnt know about....

I lawled

 

[DBfan187 5,000+ posts]

My penis is round and your mom likes it.

 

[joem1cha3l 10+ year member]

My penis is round and your mom likes it.

ROFL //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif :laugh: //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

 

[NYR36 10+ year member]

My penis is round and your mom likes it.

ROFL:laugh: //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif X2

 

[audioholic 5,000+ posts]

Great read... except for the fact it never really went anywhere, never stated anything controversial, and never came to any conclusion. It was like you got bored and stopped typing before you made a point. Why, if everyone did that, where would...

 

[Army-Killa]

my square l7's **** im going round

 

[Hintzyboy 5,000+ posts]

Great read... except for the fact it never really went anywhere, never stated anything controversial, and never came to any conclusion. It was like you got bored and stopped typing before you made a point. Why, if everyone did that, where would...

Nice:naughty:

 

[CaliforniabOY5 10+ year member]

My penis is round and your mom likes it.

that is all that matters.

 

[bigbangtheory 5,000+ posts]

You know what I always wondered. Why do some people call ciggerttes squares!

That should be the question at hand.

 

[Eugenics 5,000+ posts]