ported or vented/ slotted question

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=25622
Printed Date: May 13, 2025 at 12:03 AM

Topic: ported or vented/ slotted question

Posted By: aspec0002
Subject: ported or vented/ slotted question
Date Posted: January 31, 2004 at 12:20 PM

i think this may be one of the first times i posted so try not to jump my case to fast. anyways, i am making a box for a power acoustik fubr 15" sub. it has a port specification but not a vented or slotted and i would rather use a slotted or vented style for my box. is there a way to convert the specs? any ideas?

FUBR-15

2000 watts power handling
800 Watts RMS
200 oz. magnet size
2.5” ASV voice coil
SPL 93 dB
Fs: 29.1 Hz
Vas: 4.73 cu.ft.
Qms: 3.83
Qes: 0.457
Qts: 0.4986
Xmax: 0.6"
Sealed box: 2 cu. Ft.
Ported box: 3 cu.. Ft.
Tuning: 35 Hz
Port Size: 4”(dia)x6.25”(length)
# of ports:1

Replies:

Posted By: DYohn
Date Posted: January 31, 2004 at 6:59 PM

Hi and welcome. No one here will jump your case. Not right away, anyway! :)

Check out this thread. It describes how to convert round port specifications to a square (or slot) port. Cheers!

https://www.the12volt.com/installbay/forum_posts.asp?tid=25433&KW=square+port

Posted By: forbidden
Date Posted: January 31, 2004 at 7:15 PM

There are very few people who will flame you on this site, so welcome as well and post away. There are alot of good members on this site that will help you out when available. Dyohn has sent you on the right track.

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Top Secret, I can tell you but then my wife will kill me.