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  #1  
Old 04-21-2011, 11:21 PM
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Default Can someone review my box specs...please

Box is for 2 12" Re HC's powered by a Crossfire VR2000D.
I am using the RE audio calculator but pretty complicated for my dumb ass.
Need a box that is 7 cubic ft and hitting around 32 hz. Now the complicated part is that i want subs up port back which i can't figure out. Here are the numbers from RE :
box width- 45
box height- 22
box top depth- 21
box bottom depth- 21
wood thickness- 0.75
square port hieght- 20.5
square port width - 6.5
square port length (1) - 13.75
square port length (2) - 15
total port lenght - 39.25
sqaure port diam. - 13.025----
square port area - 133.25
square port volume internal - 5230.0625
sqaure port volume displacement - 5251.0625
box volume - 7.024
tune frequency - 32.365
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Old 04-22-2011, 08:11 AM
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way too much port area

id do 5" wide port, double baffle it, 28" port length
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Old 04-22-2011, 12:18 PM
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please explain double baffle?
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Old 04-22-2011, 12:59 PM
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Double baffle simply means doubling up the face with the woofer. Just curious as to why 7^3 for 2 12's? I know some subs like big boxes but that's huge
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Old 04-22-2011, 02:19 PM
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i was told that these subs like 3.5 cubes a piece so 7 should be good for 2 right?
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Old 04-22-2011, 02:35 PM
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I'm certainly not arguing lol I don't know those subs. I just know the most common BIG box is generally 2.5-3 so 3.5 is large to me for a 12. I was just thinking out loud, basically looking for someone to confirm these subs do indeed like those size boxes. Sorry to clutter but just to add, I would get someone to design you a box and disregard all of what RE's calculator tells you. Just pay the $5-10 various people charge and you'll be much better off.
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Old 04-22-2011, 03:09 PM
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I have noticed that re calc and torres calc are totally different. I have sent decaf a pm and hopefully he can design one for me. Today hehe
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Old 04-22-2011, 04:39 PM
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honestly i looked at the volume and just thought it was for 2 15s, woops

iirc one 12" re hc is more like 2.5cuft for rms power

so u need to rework the plans, pm'd also
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Old 04-22-2011, 07:10 PM
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Pm sent to decaf
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