If you can make the 24's fit then i don't think you would be disappointed. The IB 24'S are not nearly as heavy as the HS24 so that makes them a lot less awkward. But the sub is still large and i am sure a bit hard to handle but you only need to worry about that as you install it.

 

So the IB- 24 is totally worth spending almost 3x the cost vs IB3 Series - IB318 v2 | Fi Car Audio? Good to know the IB- 24 isn't too difficult to work with.

 

The traditional thought with an IB setup is the more, the better. The Fi subs are tried and true but also not very expensive, so many folks have recommended them in multiples of 2-4-8, etc. If you go with singles in separate locations, and you will not be configuring them in pairs in dual opposed manifolds that cancel out vibration, just keep in mind you will need their baffles braced substantially. The cone of a 24" pounding back and forth on the surface of a wall can wreak some havoc.

By the way, I am also following your theater build thread. Keep up the good work!

 

The traditional thought with an IB setup is the more, the better. The Fi subs are tried and true but also not very expensive, so many folks have recommended them in multiples of 2-4-8, etc. If you go with singles in separate locations, and you will not be configuring them in pairs in dual opposed manifolds that cancel out vibration, just keep in mind you will need their baffles braced substantially. The cone of a 24" pounding back and forth on the surface of a wall can wreak some havoc.

Which of the 3 options above would you recommend?

As far as bracing is concerned I was going to double up with some birch plywood and OSB and a cutout for the driver and extend it from the floor to the ceiling with 2x4’s in between to really make sure it’s rock solid. I know they can really move regardless of which drivers I settle on.


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I'd definitely recommend dual opposed regardless of which you choose. It's going to be a chore to keep a single 18 or 24 from shaking itself to pieces in the IB arrangement.

My vote is 4 IB-24 dual opposed in 2 locations. That should get it done.

 

I'm with John. Especially since you said money is not a big concern. Dual opposed manifolds with 24"s will more than get the job done and not tear apart all of your hard work in a year from now.

 

Is something like this a really dumb idea that will just fall apart from the stress a single Fi or single 24 sub will put on it over time? I'm getting the idea from Building the Ultimate Home Theater Subwoofer Installation – Carlton Bale .com

 

I’ve seen some guys put their IB setups into concrete walls to prevent vibration. Many have their IB’s configured without manifolds, and they work, I just think that if you’re starting from scratch with a new room, you’re better off incorporating subs that you aren’t going to have to reinforce the crap out of or rework a year from now.
Now mind you, I have never done an IB. I have just followed and read others experiences for many years. I like the practice of dual opposed whenever possible, IB, sealed boxes, sonosubs, ported setups, etc. Building in vibration cancelling is always a great idea.

 

Thanks for the advice! Do you have any links to how to build such a setup? I’m a handy woodworker and have the necessary tools I just don’t know what this would look like.

 

This is a recent 24's in a IB setup.

Building a Ported In-Wall Sub EDIT: Infinite Baffle...

Hello, For my next project, I'd like to build a subwoofer into the wall where my television is mounted. The television is mounted on a wall that is shared with the garage. Most of that wall is nothing but the garage on the other side. However, some of it is shared with the stairs going down...

www.avsforum.com

I would check that out and see what he thinks of the system. It would be a good place to start.

 

This is a recent 24's in a IB setup.

Building a Ported In-Wall Sub EDIT: Infinite Baffle...

Hello, For my next project, I'd like to build a subwoofer into the wall where my television is mounted. The television is mounted on a wall that is shared with the garage. Most of that wall is nothing but the garage on the other side. However, some of it is shared with the stairs going down...

www.avsforum.com

I would check that out and see what he thinks of the system. It would be a good place to start.

LOL, that dude way over built things. Each to his own I suppose and I've been guilty of way overbuilding as well. I did find this post: Building a Ported In-Wall Sub EDIT: Infinite Baffle... Seems like a simply frame and OSB baffle will more than do the ol' trick!

 

The Fi driver is fantastic, however, if you can afford and fit 24s do it while you can.