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Optimal positioning of subwoofer in a UAII cab - Suggestions?

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kujina:

Hi Everyone

I have got hold of a nice Creative MegaWorks THX 2.1 250D system and I want to position the subwoofer box in the best way. Its a little different from most 2.1 subwoofer boxes as the subwoofer speaker is mounted on the bottom (downward firing).

Heres are pics of the subwoofer its quite a lot larger than the other creative subwoofers.


 


Here are some pics of it placed inside my unfinished Ultimate arcade II cabinet:




Am I right in thinking just placing the subwoofer inside the cabinet probably isnt a very good place to put it, how would it effect the sound?
Heres the deal, I'm up for hacking the subwoofer box or even completely taking out the amp and speaker to get the best from it.

One of my ideas is to place the box in the corner at the back and to take out the reflex tube/port and to mount it on the side of the cabinet connecting into the box.

My second idea is to remove everything from the original box and to mount the subwoofer at the back of the cabinet as below:




Any ideas, feedback, comments welcome!

Trimoor:

Whatever you do, keep the subwoofer in the box and don't take it apart.

The box is specially designed to perfectly match the speaker.  Taking it out would ruin this harmony, and possibly damage the speaker at higher volumes.

What I would do is cut a hole in the bottom of the cab, and fit the box right up against it, sealing it as best as you can.

kujina:


--- Quote from: Trimoor on September 01, 2004, 08:27:00 pm ---Whatever you do, keep the subwoofer in the box and don't take it apart.

The box is specially designed to perfectly match the speaker.  Taking it out would ruin this harmony, and possibly damage the speaker at higher volumes.

What I would do is cut a hole in the bottom of the cab, and fit the box right up against it, sealing it as best as you can.

--- End quote ---

Ideally I would prefer to keep it in its own box, as it will be less work for me anyway. Would your idea be ok, there is clearence of 1/2" under the cabinet floor but there is no gap as all the side and front/back panels touch the ground.

electricd:

Well, I could be wrong (its been known to happen), but I think bass is omni-directional, meaning that even if the speaker is completly inside the cabinet, it will still sound decent.  

Trimoor:

Bass is fairly omni-directional, but if it's inside the cab, the sound will be deadened by the cab walls.

I say mount it anywhere so that the speaker is on the outside.

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