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Low tuned boxes that still hit the highs.


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Posted

not to thread jack but this seems like the right place and time to ask this question

how would i figure out the area of this port?

Posted Image

this is the foot print of the port and its 10" high

Posted

dang you know alot about making good boxes. well do you wanna help me design a box for a orion xtr?

Send me a pm with some info and we'll talk. I've helped quite a few here on the forum with their designs. I'm actually in the middle of a design right now for a member. So far I haven't had a single person that has been disapointed with one of my designs yet. I guess that I should start to charge for them huh? :);)

2013 VW Jetta GLI 2.0 Turbo

1 Sundown Audio SCV2000

1 Sundown Audio X15 V2

1 XS Power D3100

Audio Control LC6i

Stock Deck

146.4 sealed on the dash at 37hz

2001 Focus ZX3: RETIRED

Team Sundown Audio, Team XS Power, 2 time NSPL Car 3601-Up Champion, 2 time NSPL Car Hardcore Champion
Highest NSPL Scores to date:
154.3db on the dash sealed at 46hz, 156.2db in the kick at 46hz
155.2db unofficial on dash at 43hz

Posted

I don't recommend it but I'm tuned to around 28hz - 27hz and just absolutely destroy anything 30hz to 22hz range but lack in loudness at around 40 and higher. I can still hit them and they sound really good, but they are just not very loud.

I love the 30hz down bass but I'm not as loud as I used to be when I was tuned to 31hz. Not a huge difference but I was experimenting. lol.

Just my .2 cents.

2 Infinity Reference 1252w 12s

4.2 cubic foot box tuned to 28hz

Sub amp: 1 Profile AP1200

Speaker amp: 1 Sony Xplod XM-504z

Kenwood eXcelon KDC-X492

4 and 8 Gauge Knu

Big III In 1/0

All in my 90 Accord

f05112e8-c6ca-4f78-9a8d-47be99303c8b_zps

Diamonds are forever, but 9's end that shit fast....

Posted

From what I'm seeing is that the port is 1.75" wide by 10" tall. If that is right then each side will have 17.5sqin of port, so 35sqin of port total is what it will be. What I don't understand is why the bottom of the port is only 2" wide. It should be 3.5" wide since that would be the same as each side added together. If you only make it 2" wide at the bottom it will be tapered and might not sound good or work at all.

2013 VW Jetta GLI 2.0 Turbo

1 Sundown Audio SCV2000

1 Sundown Audio X15 V2

1 XS Power D3100

Audio Control LC6i

Stock Deck

146.4 sealed on the dash at 37hz

2001 Focus ZX3: RETIRED

Team Sundown Audio, Team XS Power, 2 time NSPL Car 3601-Up Champion, 2 time NSPL Car Hardcore Champion
Highest NSPL Scores to date:
154.3db on the dash sealed at 46hz, 156.2db in the kick at 46hz
155.2db unofficial on dash at 43hz

Posted

the port i was showing is all sq. thats just like a top veiw of it its all 2" wide till it hits the angle"v" part of it then each side of the v is 1.75", it should be 2 but i got lazy with the math at the time and just did it that way to make it easier for me to build. i never fully figured out the area of the port cuz well honestly wasn't sure how to. lol its the port in box i got now aka my first box build. but anyways thanks for all the info nightshade

and are you going to start chagring for box design help? lol if not you might get pm from me :D

Edit: i color coded the measurements of the port if that helps any looking from the top thats how the port would look wide and depth "bad spelling i think" and the height is 10" but anyways ya lol

Posted Image

Posted

i think you should tune in the middle of the bass frequncies. if you absolutely wanna hit everything possible with no rolloff once so ever get a sealed box

retarded build on the way.....

2000 bagged s10

2 hdc3 15s

aq2200

aq4x90

stinger/knu wire

optima batteries

220 amp alt

fosgate hu/mids and highs

Posted

good infos :)

nightshade, have u ever made an aeroport out of mdf rings? (i was thinkin of trying this for a burp box).

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8_RedDevillogo.pngteamtexflex-1.jpg

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