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Old 10th March 2013, 10:37 PM   #11
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2+2 series would handle more power... Kicker site helped alsohttp://www.kicker.com/dvc_wiring

What is the proper port size for a 130.5 liter box tuned to 16.9hz?

Last edited by Kingnoob; 10th March 2013 at 10:48 PM.
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Old 11th March 2013, 02:28 AM   #12
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Quote:
Originally Posted by Kingnoob View Post
What is the proper port size for a 130.5 liter box tuned to 16.9hz?
You can play with that. Do you want circular port holes (tube) or rectangular. If one or the other; what are internal diameter (circular) or width x height (rectangular).
You can simulate that in the software. I don't mind you ask that question to the forum (also). Example, say for circular ports:

2 circular ports
int. diam. 9.4 cm (3 3/4")
length 102 cm (40")

same for 1x rectangular port/vent with HxWxL,
5 cm x 30 cm x 89 cm (2"x12"x35")

So as you see it needs to be adapted to the enclosure you have, lets say max length will give the internal max length of the tube or tubes (circular or rectangular).
Width will define one or the other of the dimensions of a rectangular port.
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Old 11th March 2013, 04:23 AM   #13
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circular ports.
Would a 5cu feet box require shorter port's??
How long for 4" ports?

Parts express has 4" ports decent priced Precision Port 4" Flared Port Tube Kit 268-352
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Old 11th March 2013, 05:24 PM   #14
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whats the sound quality? Bass difference between Ported/ sealed
I have a 12.5 foot x 13 foot bedroom for sub.

Id prefer circular ports from Parts Express.com
would using a larger port / Larger box .. make port Length required shorter?

Last edited by Kingnoob; 11th March 2013 at 05:26 PM.
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Old 11th March 2013, 05:57 PM   #15
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Quote:
Originally Posted by Kingnoob View Post
whats the sound quality? Bass difference between Ported/ sealed
I have a 12.5 foot x 13 foot bedroom for sub.

Id prefer circular ports from Parts Express.com
would using a larger port / Larger box .. make port Length required shorter?
Larger port requires longer tubes.
Sealed vs. Ported
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Old 11th March 2013, 06:04 PM   #16
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Quote:
Originally Posted by Kingnoob View Post
circular ports.
Would a 5cu feet box require shorter port's??
How long for 4" ports?

Parts express has 4" ports decent priced Precision Port 4" Flared Port Tube Kit 268-352
You might look at sealed because of the ports.
17in = 43.180cm
Parts-express PORTS 17" long in 2", 3", and 6" diameters are to small in lenght.
The problem with small diameter is the air speed noise at max output SPL.
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Old 11th March 2013, 07:20 PM   #17
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Sealed would make things easier except how expensive is the acoustic stuffing??
Poly-fill or some sort?
How much Poly fill would I need Acousta-Stuf Polyfill 1 lb. Bag 260-317
a 3-4 cu foot box is recommended for sealed.

thanks,
kingnoob

Last edited by Kingnoob; 11th March 2013 at 07:29 PM.
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Old 12th March 2013, 01:57 AM   #18
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Another project with pictures in a sealed 2.7ft³ = 76.455L. (Forum referenced by m R g S r)
Another Stereo Integrity Build, HT-15D2 - Home Theater Forum and Systems - HomeTheaterShack.com
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Old 12th March 2013, 03:12 AM   #19
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Another project with pictures in a sealed 2.7ft³ = 76.455L. (Forum referenced by m R g S r)
Another Stereo Integrity Build, HT-15D2 - Home Theater Forum and Systems - HomeTheaterShack.com
I take it a 2.7-4 cu feet sealed sub would do excellent
Yes I have seen this thread many times while googling , I take it he dosn't use plate amps for sub's?

Is bracing always a plus when using MDF?
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Old 12th March 2013, 05:25 AM   #20
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Do larger sealed box'es hit low notes better? Or smaller ones

I plan on adding poly-fill so my Sealed sub has more authority & less Resonant noise too

Last edited by Kingnoob; 12th March 2013 at 05:27 AM.
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