Ported or enclosure for audiobahn 1200Q

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=809
Printed Date: August 21, 2025 at 6:02 AM

Topic: Ported or enclosure for audiobahn 1200Q

Posted By: jorgefdz
Subject: Ported or enclosure for audiobahn 1200Q
Date Posted: May 16, 2002 at 3:30 PM

Someone knows some site where i can find the volume of the enclosure or ported box for an audiobahn 12" model 1200Q.?

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J.F.L.L.

Replies:

Posted By: bberman1
Date Posted: May 16, 2002 at 5:09 PM

I emailed you audiobahns spec sheet. but its 1.8 cu ft with (2) 3x17.5" ports.

Posted By: the12volt
Date Posted: May 16, 2002 at 6:41 PM

Hi, jorgefdz, here's what I have for an Audiobahn AW1200Q:

Fs  31.2 Hz
Qts  0.6
Qes  0.67
Qms  6.23
Vas  51 Liters
Vas  1.8 Cu. Ft.
Re  3.3 ohms
Le  2.20 mH
Mmd  135 grams
Xmax   +/- 12.5 mm
RMS  700 watts
Sd  0.045 M2
SPL  85.8 dB
EBP  48
Freq. Resp. 20Hz-500Hz
Efficiency 92.7 dB
Dimensions
Depth  5 5/8"
Hole  11 1/8"
Diameter 12 3/4"
Dis.  0.18 Cu.Ft.

Ported AW1200Q
Air Space 1.8^3
Port Size (1)4x12.3
Port Vel. 13.17%
-3Db 30.5Hz
Tune Freq. 35Hz
Sub Disp. 0.18
Port Disp. 0.089
Total Vol. 2.0^3

Sealed AW1200Q
Minimum 0.25
Maximum 1
SPL 87.6 dB

Thiele - Small parameters: https://www.the12volt.com/caraudio/theile.asp

the12folt

Posted By: jorgefdz
Date Posted: May 17, 2002 at 11:33 AM

thanks guys..

If i Want an enclosure sealed box = 1.8 ft3 and for ported box too?

or are there diferents?

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J.F.L.L.

Posted By: the12volt
Date Posted: May 17, 2002 at 4:34 PM

For either enclosure, 1.8 to 2.0 cubic feet of air space per driver will work fine.

Posted By: jorgefdz
Date Posted: May 20, 2002 at 12:01 AM

thanks a lot The 12 volt. and congratulations for your web site.

it is excellent for us. "The dumbs" jejjejejeje!!!!

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J.F.L.L.