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Alpine Type R Boxes

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Old Dec 3, 2005
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Alpine Type R Boxes

Alright i need a little help. Im looking at building a custom box to fit my trunk for 2 10' Alpine Type R's. Ive been reasearching this sight for way too long, but ive come up with a lot of good info. I was wondering which type of box i should go with. Sealed, or ported or Bandpass4 or 6? Or what ever.. Ive got a lot of math to figure out for each one. And i want it to sound, as well as look good. Just any personal opinions would help, and pictures of past experinces would be welcome too. Thanks in advance!
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Old Dec 3, 2005
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i got 1 10" alpine type r in a XScorpion vented box and it hits pretty hard and harder when i put my back seats down!
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Old Dec 3, 2005
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From testing i have done, Type R's sound good in ported box with a lower tuning frequency. I tested sealed and ported with different tuning frequencies and got very clean and accurate bass.
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Old Dec 3, 2005
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alright. so do i want the port going to the front of the car or to the rear?
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Old Dec 3, 2005
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it hits harder with the subs and port facing the rear bumper. I have 2 of the older type r 12'' in a sealed box and it hits HARD. i know this is a stupid measure but even in a sealed box which should give you the best quality with the least volume i can get the cars in my rear view mirrow to triple in size when it hits. It will shake your hair and make your chest hurt. Dynamat your trunk lid!
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Old Dec 3, 2005
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Sweet.. Thanks! now i can work with my 2 type R's just got to figure out these damb math equations.
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Old Dec 3, 2005
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always have the subs and ports or vent facing away from you. it will sound distorted if they are pointed in your direction.
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Old Dec 3, 2005
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Okay so new question.. what if i take and face the speakers revrese so you see the magnit and make a ported box? Will that work?
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Old Dec 3, 2005
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i dont think those are designed to work like that. only certain subs are made to be reversed mounted.
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Old Dec 3, 2005
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yes it will. you can do that with any sub. Its dumb it wont sound as well as it could. Also it will be like altezzas, 2 months later you will look at them and realize how bad it looks. just make sure you reverse the wiring if you do.

Last edited by nick95673; Dec 3, 2005 at 08:31 PM.
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Old Dec 3, 2005
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Just wondering.. cause i like seeing my magnits lol. But ill see what i can come up with for a box design.
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Old Dec 3, 2005
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Old Dec 3, 2005
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Is that ported? Or sealed? But thats a pretty sick set up
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Old Dec 3, 2005
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the rule of thumb is hip hop fans get ported boxes and rock fans get sealed.
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Old Dec 3, 2005
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Originally Posted by TransformedBG
Is that ported? Or sealed? But thats a pretty sick set up
4.1 cu ft ported (slot ports) tuned to 35hz
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Old Dec 3, 2005
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Originally Posted by nick95673
the rule of thumb is hip hop fans get ported boxes and rock fans get sealed.
That why I ran a ported box but stuck with 10's instead of 12's. I have some damn good SQL.
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Old Dec 3, 2005
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where the slots at?
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Old Dec 4, 2005
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Before the ports....




HERE ARE THE PORTS FINISHED
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Old Dec 4, 2005
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That looks sealed to me
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Old Dec 4, 2005
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You don't see the difference between the bottom two pictures then. Look at the back of the box. Each side has a slot port firing sideways. Even with driver displacement 4.1 cu ft for a sealed box would sound horrible.
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Old Dec 4, 2005
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aww i see it now. i was thinking up and down not side ways.. My bad.. How long that take to build?
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Old Dec 5, 2005
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Hey

Go SEALED,,, better sound... if u want booming crazy LOUD, PORTED...
, never tried bandpass, I heard u lose all the quality of the music from a band-pass box...


check out my pic, I inverted my subs and go mrd1005 .. its loud , and I can still go LOUDER. my back seats are folded down on my sedan.

watever u do, do it ONCE.
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Old Dec 5, 2005
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Originally Posted by TransformedBG
aww i see it now. i was thinking up and down not side ways.. My bad.. How long that take to build?

2 months. lol
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Old Dec 5, 2005
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Rufus, that install is a pretty neat idea. I never even thought about making a second floor so to speak.. cool stuff. Only bad part is that your trunk is now useless (unless you get some good, strong covers).
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Old Dec 5, 2005
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I have come to accept that for 2 years running....
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Old Dec 5, 2005
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Wow, thats another nice set up there T. I just got a speaker box program that shows me all kinds of goodies. I just have two questions. What is Qms and Qes stand for? And What is the Q of the speaker?
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Old Jan 5, 2006
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bump
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Old Jan 5, 2006
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i would say put em in a ported box. my friend has two 10 inch type r's and he has em in a sealed box and it sounds really nice and hits really hard.
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Old Jan 5, 2006
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I heard someone once say bandpass boxes are for sh!tty subs.. not sure if its true or not, but most subs i've seen come in bandpass boxes have been ****.

all the quality subs i've seen either come in sealed or ported boxes.

I have 1 10" typeR in a ported box. wish I had 2 10s tho. I got sick of all the weight from my 2 12s to I went with 1 10... its fine for daily use but sometimes i want to crank it and it just isnt the same as 2 subs, let alone 2 12s.
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Old Jan 5, 2006
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I think the next box I buy will be from Nolte Audio (formerly powered4sound)

I've never made a box before and I dont think I'd end up with anything worth my time. besides I've never had a generic box that sounded bad to me, all the ones I've owned have always been decent.
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