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Old 10-10-2011, 01:25 PM
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Default Single???Double???space???tuning???

plan on gettin 2 AQ HDC3s 12s this month

35x21.75x14 is outside with a double baff front =4.73cf
i was wondering which would be the best way to go single port/chamber or double port/chamber and what tuning should i use

MIX i know what ur gonna say lol use ur design ... i checked it wont fit
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Old 10-10-2011, 01:43 PM
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i dont know if 2 chambers would b louder, I had 2 hdc3 12's off a sundown 3500 with subs up and one center slot port to the back and it was crazy, then I built it with subs up and 2 slot ports firing to the rear and could tell no difference. Both were close to the same size you mentioned
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Old 10-10-2011, 01:55 PM
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That box would be 4.7cf before any displacement..Subs are .17-.19cf each so around 4.3cf then you need port...box seems to small unless you used aeroports. You'd probably wanna use 3 4" aeros which would probably take up around .3-4cf...be kinda small still but it may work for two 12" hdc3's...I was suggested 4.5-5cf net for hdc3's...so I went in the middle 4.7cf after all displacement.
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Old 10-10-2011, 02:19 PM
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to small FAIl i might be able to squeeze a couple more inches out of it in depth im jus not sure if ill be able to get it in my trunk lol but i appreciate ya help
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Old 10-11-2011, 10:26 PM
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Could i pull off a single baff? I might have to we came up with single baff and 35x23.5x14 it cumes out to 4.5 but its single baffed tuning is 35hz
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Old 10-12-2011, 02:49 AM
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the box i ran was 38" w x 14" h x 23.5" deep, with double baffle on top and port back. I think it was 4.25 cubes after displacements @ 36hz and it was perfect for me
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