Which box is right for this pro audio subwoofer.

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cameron paterson

Senior Audioholic
Can you look at the design of this speaker please?:

file:///C:/Users/Sherry/Downloads/en-lf-drivers-18tbw100-4.pdf

It says 7cubic feet tuned at 32hz. Would I be better off going with that box for chest slam? Or this box which is only a box tuned at 27hz for like 6 different drivers. Here is the box I mean tuned at 27hz:

 
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cameron paterson

Senior Audioholic
Sorry if the other link didn't work in the post above. Here is a link to the sub. Look at the manufacturers data sheet 4ohm. It says 7ft3 tuned at 32hz. So which box would work better for this sub for the most "CHEST SLAM!" The one tuned at 32hz or the one at GSG tuned at 27hz?

 
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ryanosaur

ryanosaur

Audioholic Warlord
The thing that is hardest to understand is the these Pro Drivers have such a powerful motor usually, that they are able to be pushed beyond their 'conventional' limits, according to the guys that are more experienced at experimenting with them. I don't know how else to describe it beyond paraphrasing one such designer: the Driver and the box form its own system, and when it's powered appropriately, you get performance that exceeds that conventional wisdom.
B&C, for example have stopped focusing on Xmax and use Xvar as their metric for safe excursion. I am still trying to understand this. You will also see many references about 70% of Bl defining excursion capabilities.

I've seen some home measurements by DIYers that have built some of these different cabinets using pro drivers, and their measurements tend to track well with the specs offered up by the designers. This would be true of the stuff from GSG as well.
 
C

cameron paterson

Senior Audioholic
I see. I hear good things about the pro drivers. Especially for chest slam. So do you have any idea which box would be better for what I am asking for?
 
ryanosaur

ryanosaur

Audioholic Warlord
For the system you mentioned through GSG, I would stick with their recommendations.
 
C

cameron paterson

Senior Audioholic
How do I post my WinISD results from my WinISD page to this forum?
 
ryanosaur

ryanosaur

Audioholic Warlord
I don't use WinISD, know nothing about the program.
 
C

cameron paterson

Senior Audioholic
Kevin at GSG told me to go for the 32hz option for what I want.
 

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