Too little airspace?

[john9721]

So I'm trying to match a box for a 12" JBL that I recently purchased. I have a sealed 12 inch box laying around with an airspace of 0.90 cubic feet. The sub requires 1.00 cubic feet. Will the box be too small? Thanks!

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[joom 10+ year member]

The box will probably be ok. You could lightly stuff the box with poly fill.

 

[I'mPoor:(]

Get a bigger box. The bigger the box the more efficient the sub is.

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[Slo_Ride 5,000+ posts]

The box will probably be ok. You could lightly stuff the box with poly fill.

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[snyderd758 10+ year member]

if you stuff the box with 1lb of polyfill it will make the woofer think it is in a larger enclosure. you can get a couple lb bag of polyfill at a craft store for somewhere around 5 bucks.

 

[whitemax 10+ year member]

You could use the polyfill, but I would recommend getting a bigger box down the road. One that will give you the recommended air space after taking the driver's displacement into account.