12" Sealed (Could I make a Port?) - Realm of Excursion



Enclosures Woodworking & fiberglassing

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Old 05-23-2006   #1 (permalink)
 
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Default 12" Sealed (Could I make a Port?)

Would it be a bad idea to cut a whole in a sealed box and make a port?

And yes, The box I would like to do it on would be the one with my (yes crappy) Sony Xplod's. Would it make them any louder?
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Old 05-23-2006   #2 (permalink)
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It would only make them louder if you used a peice of pvc for the port, or a aero port. The problem will be that your box is going to be fairly small seeings it is a sealed enclosure. What are you current box dimensions?
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Old 05-23-2006   #3 (permalink)
 
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The dimensions are as follows :

33-1/4"W x 15-1/4"H x 14-1/2"D1 x 9-7/8"D2

Also IF I had a port where should I locate it?
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Old 05-23-2006   #4 (permalink)
 
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Hook me up with a lil more info....

How Many drivers do you have?
Are they divided in the enclosure?
How Thick is the Board this box is built with?


And as far as port placement goes... As many as i have heard. Where you put it really doesn't matter (as long as it's Not Suffocated, (like On the bottom of the Box Facing down))... In My Greater opinion though, if you have it in a trunk it's better to have the port Facing Toward the trunk or on top of the Box (not toward the sides because the reflect eachother and really messes up the phaseing) And not on the Back of the box because that really takes away pressure if i remember correctly.
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Old 05-24-2006   #5 (permalink)
 
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2 Drivers.
Yes the Subs are in seprate chambers.

It is made out of 3/4" Fiberboard.
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Old 05-25-2006   #6 (permalink)
 
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Default Well.

Well, you have Appox. 1.7 Cu. Ft. So that's not too small for a ported Enclosure. If your on a tight budget I would go with Pvc Pipe, it's Cheap, Easy to work with and VERY effective. Are you wanting to port them for Sound Quality, Pure SPL, or a sort of even mix? By the sound of you wanting them "Louder, I'm Guessin you're Probably leaning toward SPL but want some sound quality in there too. If i were you i'd Probably tune to 38Hz. (But that's Just my opinion, Don't take my Word for it.). What sounds good to some, May sound bad to others.....


So...

What Size of PvC pipe are you Planning on Useing? 3 Inch? 6 Inch?
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Old 05-25-2006   #7 (permalink)
 
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If I used PVC I would most likely use 3 inch since I dont got alot of Power runnin to them. But i was thinkin about some of these.

http://www.partsexpress.com/pe/showd...number=268-352

Since I dont really have any experience with PVC (Im 14)

Would these work?
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Old 05-25-2006   #8 (permalink)
 
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Yeah, Them are a nice deal. I need some
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Old 05-25-2006   #9 (permalink)
 
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Alright, When I get some more cash Ill get prolly 2 and see how they work out
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