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surface area or raw power?


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the_one369 
Copper - Posts: 80
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Joined: December 15, 2005
Location: Michigan, United States
Posted: March 17, 2008 at 5:17 PM / IP Logged  

im just wondering which one would be louder....to have 6 lower rms subs say 200 rms each......or would it be better to have 2 subs that can handle 600 rms each?

pbguy 
Member - Posts: 17
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Joined: April 27, 2007
Posted: March 17, 2008 at 5:30 PM / IP Logged  
Efficiency is the biggest thing people dont consider when buying a sub. They look at a big rms or max out number and want something huge. I had two jlw1's those subs push 150 watts rms, but they are some of the loudest 12's if you have them in the right application.
the_one369 
Copper - Posts: 80
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Location: Michigan, United States
Posted: March 17, 2008 at 5:54 PM / IP Logged  
but what about the aspect of pushing more air comes into play doesn't it?
sedate 
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Posted: March 17, 2008 at 6:53 PM / IP Logged  

For the sake of the abstract question, the 6 subwoofers would be substantially louder than the 2.

Generally speaking, if output is the primary goal, cone area should be a prime consideration.

Larger power numbers are great for low end extention - efficiency is generally more desirable for sheer output.

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stevdart 
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Joined: January 24, 2004
Location: Pennsylvania, United States
Posted: March 17, 2008 at 7:59 PM / IP Logged  
But with more subs comes more space given up and more weight to carry around in the vehicle.  You have to consider everything.
Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
pbguy 
Member - Posts: 17
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Joined: April 27, 2007
Posted: March 17, 2008 at 8:06 PM / IP Logged  
The cone can only move so far on subwoofers.  You'll push way more air with surface area than excursion of a high rms sub in your case. Its simply just not logical to waste your entire trunk trying to fit 6 subs in, thats why most people put 2 12's in the trunk and be done with it.
greenbroncoguy 
Copper - Posts: 299
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Joined: March 27, 2003
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Posted: March 17, 2008 at 8:09 PM / IP Logged  

It's not all about cone area; 2 12's are going to dig deeper than 4 6's...

-Matt

aznboi3644 
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Posted: March 17, 2008 at 10:02 PM / IP Logged  
Enclosure is a bigger factor...I'd rather take two nice 12 inch subs in a nice ported enclosure than 6 low quality subs in a sealed box since thats all you could probably fit.
DYohn 
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Joined: April 22, 2003
Location: Arizona, United States
Posted: March 18, 2008 at 10:42 AM / IP Logged  
greenbroncoguy wrote:

It's not all about cone area; 2 12's are going to dig deeper than 4 6's...

-Matt

Not necessarily.  It depends on the speakers and the enclosure alignment.  I have build a sub using a single 6.5" driver that hits 28Hz with ease.

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greenbroncoguy 
Copper - Posts: 299
Copper spacespace
Joined: March 27, 2003
Location: Florida, United States
Posted: March 18, 2008 at 10:54 AM / IP Logged  
DYohn wrote:
greenbroncoguy wrote:

It's not all about cone area; 2 12's are going to dig deeper than 4 6's...

-Matt

Not necessarily.  It depends on the speakers and the enclosure alignment.  I have build a sub using a single 6.5" driver that hits 28Hz with ease.

Well naturally, we'd be comparing the same type of driver, just in a different size. It would not really be a valid comparrison if done otherwise...

-Matt

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