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Precision Port 4" Flared Speaker Cabinet Port Tube Kit
Does a port always have to be inside the cabinet?
What I mean can I put a port outside rather than inside and sill function the same as if it were inside?
No the port does not need to be on the inside, it will do the same thing if it were on the outside of the cabinet.
Date published: 2013-01-14
So when i cut the hole to install this port it should be 6 1/4" in diameter?
Yes, this product requires a 6-1/4" cutout.
Date published: 2011-09-10
4" tube diameter? And is the max diameter really 7.25 in?
Yes 4" ID and 7.25" OD of the outside flare.
Date published: 2012-11-18
Does this kit come with the tube itself or just the post ends? What length tube?
It comes with a tube and the ends. Usually the tube is 14-16"
Date published: 2011-10-10
Is there a way I can assure the tube will be 16" long?
looking at 2 of these and the tubes needs to 16" long to tune my enclosure to 32 Hz i have 3 10's i am putting in a single enclosure
The quick answer to your question is...measure twice. The serious answer is...this kit comes with a 17" tube and two flared ends. Therefore you will need to only cut off an inch of the supplied 17" tube before permanently gluing the two flared ends to your newly created 16" tube.I hope that helps you.
Date published: 2012-01-08
What is the "flare radius"?
I have a program (Flare-it) that tells me if I will have port noise. I'm trying to calculate the "flare radius".
Flare radius on the 4" port kit is about 42 mm.That would be 1.65" radius.This is huge as flare-it tells me I need 20 - 25 mm Flare radius most of the time.The flare radius on the internal flare is about the same.
Date published: 2012-08-25