Box Sizing...please help

[bumpinthanite 10+ year member]

I just bought two new 10" HE's(8 ohm, 200rms), powered by a 760 total watt 2 channel pioneer amp, to mess around with. Rockford reccomends that, for a sealed enclosure, that you use a .75cu sq. ft. box. The box that I loaded it into is .65cu. Now, my question is: what will the .75 do that the .65 isn't?

Also, what is a good size for a ported box with these subs?For this set-up, I'm looking more along the lines of sql, rather than sq.

Thanks

=-=colin-=-

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[nick3470 10+ year member]

the larger box will make a deeper sound for the sub, that and if a box is to small it can be hard of the driver

that small of a difference may not be noticed, but im not sure about that