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using pvc ports, adhesive?

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=110208
Printed Date: July 15, 2025 at 1:32 AM


Topic: using pvc ports, adhesive?

Posted By: bigbensteel
Subject: using pvc ports, adhesive?
Date Posted: December 31, 2008 at 2:42 PM

Hey all I'm new to the12volt!

I've got the PVC and all my port calculations figured for 30Hz and 35Hz (using 4 subs to achieve 2 different sounds) I'm just trying to figure what sort of adhesive to use to mount the ports? I thought of silicone or some sort of pipe glue, I've got some PVC glue in bulk, but am unsure of how it will adhese to MDF wood.

LMK what to use, Thanks!
-Ben



Replies:

Posted By: ckeeler
Date Posted: December 31, 2008 at 2:58 PM

i use epoxy.




Posted By: DYohn
Date Posted: December 31, 2008 at 6:51 PM

bigbensteel wrote:
Hey all I'm new to the12volt!

I've got the PVC and all my port calculations figured for 30Hz and 35Hz (using 4 subs to achieve 2 different sounds) I'm just trying to figure what sort of adhesive to use to mount the ports? I thought of silicone or some sort of pipe glue, I've got some PVC glue in bulk, but am unsure of how it will adhese to MDF wood.

LMK what to use, Thanks!
-Ben

First, there is no advantage to port at two different frequencies, and in fact it can end up sounding like ass if you do.  You will gain nothing besides possible headaches.  Just port at one frequency.  Whenever I use PVC pipe for ports, I cut the hole so there is just a clearance fit through the front baffle, force the PVC through and seal it to the front baffle using silicone cement from the inside.



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