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enclosure size for Alpine Type-R 10" subs

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=43027
Printed Date: May 07, 2024 at 3:14 PM


Topic: enclosure size for Alpine Type-R 10" subs

Posted By: Ketel22
Subject: enclosure size for Alpine Type-R 10" subs
Date Posted: November 15, 2004 at 10:59 AM

Has any one found a better size  vented enclosure to use for the Alpine Type-R 10" subs other than the Alpine recommended vented enclosure? will be in a Tahoe..TIA



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Quad L Handyman services



Replies:

Posted By: stevdart
Date Posted: November 15, 2004 at 3:41 PM
I don't know what they show, but it looks good as a vented enclosure at 1.0 ft^3 net air space.  Tuned at 29.6 Hz with a port (round) 3" X 19".  The driver displacement is shown in the manual and you can figure port displacement using https://www.the12volt.com/caraudio/boxcalcs.asp#cyl

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.




Posted By: Ketel22
Date Posted: November 15, 2004 at 5:01 PM
Thanks for the help......that seems really small for a vented enclosure? also i'd rather use slot ports but i can do that work myself i just have no skill with the enclosure programs Thanks again!

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Quad L Handyman services




Posted By: stevdart
Date Posted: November 15, 2004 at 10:58 PM

That's just what I used....an enclosure program.  That's a good size for that 10, anyway.  Make a slot port 2" x 3" X 16" and you'll get the same thing....a great response.

It's tough to figure this one for vented because to get the port size large enough so that there is no chance of air noise at high volumes, the port grows super long.  If we use minimum vent size calculators, the min. size for slotted would be almost 6" X 6"........and then the box has to grow in volume to get the port size shorter.  There has to be a trade-off somewhere.



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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.




Posted By: Ketel22
Date Posted: November 16, 2004 at 6:33 AM
Thanks for the help. ill start designing the enclosure today and let u know how it goes!

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Quad L Handyman services





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