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Old 11-23-2014, 12:36 AM
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Default soundqubed subs question

im looking into order a few soundqubed hds2 15's
i know i can do ported but with redistricted pace im only allowed to do sealed. so my question is can i run these sealed just by looking at t.s. parameters? i know there are different variables. i only wanna play from 30htz to about 42 range mostly. im looking at 2 cubes per sealed thank you.

Piston Diameter 330.2 mm
Mounting Depth
7.5"
Circle Cutout
14"
Overall Diameter
15 3/4 with gasket
Xmax
26.5mm Peak to Peak
Magnet Weight
100oz
f(s) 36.34 Hz
Q(ms) 7.483
Q(es) 0.895
Q(ts) 0.800
V(as) 73.310 liters
(2.589 cubic feet)
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Old 11-23-2014, 01:18 AM
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They won't do very well in that small of a sealed box. In 2cf each, they will have a nasty peak at about 50hz and a steep drop off on the low end. They are just too weak to work in small sealed enclosures.

If you're stuck on a pair of those subs, the best option seems to be an isobaric clamshell pair in a 4cf box tuned to low 30's.
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Old 11-23-2014, 01:28 AM
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Going about it all wrong if thats your frequency response goals. 2 12s in a ported enclosure tuned to 28-30hz will outperform your idea of 2 15s sealed.
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Old 11-23-2014, 06:04 AM
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Ya don't put a 15 in 2 cubes. That's to small. I'd say deff go 12s if that's the space u have.
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