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Boxbuilders look this over please


Jeff4661

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Yes a 12 would have worked out better. Two 4" ports actually has less area than 1 6". Maybe you could get away with 3 4" ports giving you 37sq in but still low for that sub

if I go with 2 5" 15" long would I be ok Bcs that's 9.84in/cube in a 3.99 cube box

Isn't the bass line for aeros like 9-12in/cube? Or am I thinking of something different..

Sorry for all the questions I'm fairly new to box building with ports.. and I've never even herd a Fi bl in real life until now lol

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This is going in a jeep Cherokee but he is keeping his spare inside...

i know bro but just wanted to share.

Oh ok my bad.. I like that box design of Urs it's different from "normal" 2 6" areos I presume?

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Two 5" ports is the best idea so far, but I still think you will have port velocity issues. Two 6" aero ports or a slot port of appropriate size is really what you should use, but if you can't fit it you have to compromise somewhere.

Also the 9-12 sq in per cube for aeros rule is really just a general rough guess, sometimes it works better than others. In this case, its not going to be enough.

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Two 5" ports is the best idea so far, but I still think you will have port velocity issues. Two 6" aero ports or a slot port of appropriate size is really what you should use, but if you can't fit it you have to compromise somewhere.

Also the 9-12 sq in per cube for aeros rule is really just a general rough guess, sometimes it works better than others. In this case, its not going to be enough.

Ok well I'll build it with 2 5" areos

If he gives me any lip I'll tell him to either sacrifice the spare tire or buy a 12"

Thanks again for your help

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Two 5" ports is the best idea so far, but I still think you will have port velocity issues. Two 6" aero ports or a slot port of appropriate size is really what you should use, but if you can't fit it you have to compromise somewhere.

Also the 9-12 sq in per cube for aeros rule is really just a general rough guess, sometimes it works better than others. In this case, its not going to be enough.

I'll see If I can get the 2 6" to work possibly without going to small on the enclosure
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Every sub has a specific minimum port area it needs to work properly. If you can manage two 6" that would be a good for a start.

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DD Audio 9500 15''

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Alright I gained a 1/4 inch on all sides (on purpose) it still fits I can run 2 6" aeros but they will have to come from the side not The back... Is it worth moving the ports to the side in order to gain port area?

Bcs it won't be port back subs up anymore.. it will be port to the side sub up

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I have my BL in a 3.66cuft box with 50 sq" of port area so about 13.75 port area per foot. The box is tuned to 33Hz and sounds great. I would recommend doing a double baffle for the extra support and I used a piece of oak 1" dowel as the bracing inside the box.

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FRONT STAGE:
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ELECTRICAL:
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Scores: 146.5db @ 29hz Outlaw

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I have my BL in a 3.66cuft box with 50 sq" of port area so about 13.75 port area per foot. The box is tuned to 33Hz and sounds great. I would recommend doing a double baffle for the extra support and I used a piece of oak 1" dowel as the bracing inside the box.

Yes I am doing a double baffle as well and 45's on all corners as well as fiberglass resin the whole inside on top of bracing with 1"oak Dowells

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Ok guys I think I'm going with the 2 6" aeros on the side. 24"long tuned to 35.5hz.. over 50sq" of port and roughly 14.61 inches per cubic foot..

Sound better?

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