nedd help

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bassboy140
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nedd help

Postby bassboy140 » Fri Sep 19, 2008 12:53 pm

i have a 93 eclipse that i want to put a re mt 15 in off of a planet audio 2250d amp the max size box for the back is 31 wide 21 high 16 deep can anyone help design a port for this box and i want the sub and port up can put two ports if need be i would munch appercaite it
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Nigel
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Postby Nigel » Fri Sep 19, 2008 1:19 pm

well with those as your external measurements, factoring in the use of 3/4 inch MDF for box construction, using a 6" round port that is 11.75" in length, this will net you a tuning of ~32 Hz.

which you would have plenty of room to fit the port beside the the sub for both to be up facing.

Nigel
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bassboy140
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Postby bassboy140 » Fri Sep 19, 2008 3:12 pm

i would like to stay with slot ports if i could because i want to move as munch air asposible mabye even do a hair trick
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KU40
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Postby KU40 » Fri Sep 19, 2008 5:03 pm

and.....somebody told you only slot ports can move air?
-Nick aka NS1 aka mopey aka speedbump
Alpine CDA-9827
Crossfire CFQ5.2
JL Audio XR 650csi components, Planet Audio TT2300
Crossfire VR404 on factory rear 6x8's until I get them upgraded
SI 15D2 + 3.8 @ 30 hz + Crossfire BMF 1000D = :)
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bassboy140
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Postby bassboy140 » Fri Sep 19, 2008 5:36 pm

no i just had better luck out of a slot port and i live in a small town and 6 inch pvc pipe is hard to fined have to drive 2 hours just to get the wood
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Postby TalNLnky » Fri Sep 19, 2008 7:32 pm

bassboy140 wrote:no i just had better luck out of a slot port and i live in a small town and 6 inch pvc pipe is hard to fined have to drive 2 hours just to get the wood


sonotube is your friend.... stuff comes in sizes ranging from like 4" up to 36". I used a 8" sonotube for the port in my home theater sub that I made a few years back using an 18" sonotube as the box.
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KU40
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Postby KU40 » Fri Sep 19, 2008 10:06 pm

partsexpress.com has aero ports. Not sure if they have 6".
-Nick aka NS1 aka mopey aka speedbump

Alpine CDA-9827

Crossfire CFQ5.2

JL Audio XR 650csi components, Planet Audio TT2300

Crossfire VR404 on factory rear 6x8's until I get them upgraded

SI 15D2 + 3.8 @ 30 hz + Crossfire BMF 1000D = :)
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Nigel
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Postby Nigel » Sat Sep 20, 2008 12:16 am

'03 S-dime ext. Cab.
Dropped 3" all around
Shadow billet grill
De-Trimmed/De-Badged
18" Beyern Type Five's in Hyper Silver
Nexen N3000 245/45ZR18 rubber
Eurolite clear tails
clear corners
Truxedo Truxsport Tonneau Cover

Alpine CDA-7998 source unit
Clarion SRS 1686 6.5" comp set up front
OZ Audio ME 12.4 in a 2 cube ported box at 34 Hz
JBL GTO 601.1 II Sub amp
JBL GTO 75.2 II comp. amp
12 sq. ft. Dynamat Extreme on roof
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KU40
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Location: Lawrence, KS
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Postby KU40 » Sat Sep 20, 2008 9:07 am

But if you still really want a slot port, just make the slot port have the same area that the 6" tube has and you can use the same length for the same tune. I even did the math for you: 28 sq. inches.
-Nick aka NS1 aka mopey aka speedbump

Alpine CDA-9827

Crossfire CFQ5.2

JL Audio XR 650csi components, Planet Audio TT2300

Crossfire VR404 on factory rear 6x8's until I get them upgraded

SI 15D2 + 3.8 @ 30 hz + Crossfire BMF 1000D = :)

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