What makes a subwoofer system louder.....?

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repentant sinner

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Like if I get 2 150w rms kicker C10's in a 1.25 cu/ft compact sealed enclosure it wouldn't be as loud as 2 1000w rms Kicker Solo-Baric L7 15's in a 6 cu/ft sealed enclosure.

Is it the surface area of the cone? or the power driving the voice coils? the size of the magnet maybe.
Or is it some extremely complicated formula including every little variable that can't be summed up like overpower the small subs or boost the input signal voltage or something simple like that.
 
There is MANY variables that make a subwoofer system louder...

90% install, 10% equipment.

Yes, surface area does play a big role in how loud it is. Also heat dissipation. Power being used.

The biggest that will make a difference is the box. Sealed boxes generally tend to yield the least output. Bandpassed boxes tend to be the loudest, but only on certain frequencies. Ported box can get extremely loud too, specially with a high tuning.

You can't put all the numbers into a formula either. The same setup will sound louder/quieter in different cars. For example, the CRX is commonly used in SPL competitions because it has a lot of cabin gain and that means its easier to get loud in.
 
there is no way 150Watt kickers will sound as loud as 1000 watt L7s. What makes a difference is what kinda of amp you are using to power your subs. I always use sealed box I thought sounded clearer for me.
 
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