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Reload Thread: 0.95 Cu Ft Volume Box, Sub is 0.65 "Optimal" Enclosure, Will Polyfill help any?

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    0.95 Cu Ft Volume Box, Sub is 0.65 "Optimal" Enclosure, Will Polyfill help any?

    I have a single 10" sub that says the "Optimal" Cu. Ft. Volume is 0.65 .... (but I did read this sub will work fine in a range from 0.45 to 1.0).

    My box is a custom downfiring enclosure that is 0.95 cu. ft. volume.

    I know this sub will sound fine either way but I did read somewhere that some polyfill helps with variances in box sizes like this.

    Should I put polyfill in the box or just leave it as is?

    Thanks so much for the info.







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    Re: 0.95 Cu Ft Volume Box, Sub is 0.65 "Optimal" Enclosure, Will Polyfill help any?

    Adding polyfill makes the sub think the box is bigger, usually manufacturer recommendations for boxes aren't 100% accurate anyway. You'll be fine in .95 cubes



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    Re: 0.95 Cu Ft Volume Box, Sub is 0.65 "Optimal" Enclosure, Will Polyfill help any?

    That's what I was curious about ... So no polyfill ... Good to know the box will be fine for my sub, can't wait till they arrive so I can get it all installed.

    Thanks so much for the info




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