Filling in airspace?

[BumpInDaTrunk 10+ year member]

Would it be alright to fill airspace in a subwoofer box by gluing foam board into it and caulking it into place?

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[BEAVER.989 10+ year member]

I'd screw in a few scraps of wood...

 

[S_B 10+ year member]

^x2 I would use something solid not only can it take up space but if done right can be usefull bracing

 

[blazinb2000 10+ year member]

I agree also just use scrap blocks of wood and measure out the air space taken up by each block and subtract it from the total box volume.

 

[BumpInDaTrunk 10+ year member]

do you think the foam board would effect sound quality or performance?

 

[blazinb2000 10+ year member]

It seems to me that foam would be harder to measure since it is not completely solid.

 

[ultimate157 5,000+ posts]

What's the point of filling up the airspace anyways?

hmm... box too big maybe.

Screw in scrap wood.