My ported box comments - Audio & Electronics Forum

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My ported box comments
Wednesday, July 12, 2006 9:17 PM
Alright so I've decided to go ported like soo many others here. I've got a Kicker L5 with 800 wRMS to it. I'm really wanting SQ/SQL outta this setup, and from much research found high 20's to low 30's to be best for that. I've done up some preliminary measurements and whatnot then went to the box calculator web page and put it all in.
Let me know what you guys think:

Ported box 29 Hz

Net Volume: 2.42 cubic feet
Tuning Frequency: 29 Hz
Port Width: 2 inches
Port Area: 29 Square Inches
Port Length: 34 inches

External Dimensions: 30 wide x 16 tall x 20.25 deep.

Woofer Xmax: 12.9 mm
Driver Displacement 1.28 cubic feet

Woofer Qts: .566
Woofer Vas: 2.41 Cubic Feet
Woofer Fs: 32.2

Granted I've never built a ported enclosure, I've built several boxes so the building won't be the biggest challenge. Just want to make sure the port tuning etc is correct, because that is where I'm a noob . Also take into account the measurements are rough measures I went out and got in 2 minutes and I've no problem changing them if someone thinks it would be better. Thanks



Re: My ported box comments
Wednesday, July 12, 2006 9:28 PM
damn those subs take up a LOT of space...1.28 cubic feet displacement?

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Re: My ported box comments
Wednesday, July 12, 2006 9:44 PM
lol leave it up to me to make a mistake. OK I think I got it now as .78 cubic feet. I'll repost the info

Linkage


Net Volume: 2.42 cubic feet
Tuning Frequency: 29 Hz
Port Width: 2 inches
Port Area: 29 Square Inches
Port Length: 34 inches

External Dimensions: 30 wide x 16 tall x 18.25 deep

Woofer Xmax: 12.9 mm
Driver Displacement: .78 cu ft

hehe thanks again


Re: My ported box comments
Wednesday, July 12, 2006 10:33 PM
i have never saw kicker subs, especialy any solobarics producting good sq.... meh, theyre just not much of an sq driver... kickers get loud and thats all their worth


On the other hand....you have other fingers.

I just bought a 20 inch widescreen ultrasharp flat pannel..I'm going to have to subscribe to the high quality porn places now......damn
Re: My ported box comments
Thursday, July 13, 2006 5:15 AM
is it a 15"....cuz my 12" L7's only take 750 rms......so im sure the 12" L5 doesnt take 800


Re: My ported box comments
Thursday, July 13, 2006 3:11 PM
.78 cubic feet for an 12" L5?????








RE Audio
Re: My ported box comments
Thursday, July 13, 2006 3:35 PM
my DDS dont displace that much
I dunno.
Re: My ported box comments
Thursday, July 13, 2006 5:49 PM
i'm guessing .25 - .35 displacement. Maybe he has the superfast cavalier edition kickers or something.



Re: My ported box comments
Thursday, July 13, 2006 7:06 PM
^ if that. I'd say more around .1xx





RE Audio
Re: My ported box comments
Thursday, July 13, 2006 8:43 PM
my L7 12" only displaces .21 per sub


Re: My ported box comments
Thursday, July 13, 2006 9:58 PM
OK so after all the sarcasm above (not offended btw lol) I thought what the hell did I do wrong? So I goto the kicker site and look at that manual ( I have the original manual that came with the sub sitting in front of me right now) and see two different numbers in what I thought were the same thing. So I took the displacement it gave me which was 131.1 cubic inches, then I divided by 1728 to get approx .076 cubic feet. This seems to be more in line with what was being said up above. Sooooo, back to the calculator ( I also changed up some measures etc, minor stuff) and got THIS

Hopefully I'm on the right track this time. Thanks for the uh advice as it were lol



Re: My ported box comments
Friday, July 14, 2006 1:06 PM
.076 sounds much better!




RE Audio
Re: My ported box comments
Friday, July 14, 2006 2:38 PM
Cool thanks Lash. Well if no other obstacles come up between now and tomorrow, I'm gonna go ahead and build this box. Stay tuned lol


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