Common chamber vs Separate Chambers

[dudeogo]

What are all the differences between common and separate chamber enclosures. Is a common chamber worth the risk of all the subs unloading if one blows?

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[LosIsATool 5,000+ posts]

That's about the only issue. If one goes the box could be worthless. Or all you have to do is back the power off on the good one.

Separate chambers add a good bit of bracing which is never a bad thing.

 

[adulbrich 5,000+ posts]

I forget the amount, but you usually gain with a common chamber.

As far as unloading, you shouldn't be expecting to blow subs. I've "blown" one sub in the 4 years I've been doing this. One of my 21" Wardens came apart where the spider glues to the basket landing. I was going full tilt with four 7k's on the three subs for about 10 seconds. After it blew, the other subs were fine, and I still use them. That being said, I was wayyyyy overpowering them (probably well below the tuning of the enclosure). If that didn't break them from unloading, I am not going to be concerned with that possibility in future builds. Plus, recones aren't too horribly expensive as long as you don't have a TON of subs. Build a common chamber box and play it *reasonably* safe.