jl 10w3 box volume
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=38920
Printed Date: July 07, 2025 at 11:11 AM
Topic: jl 10w3 box volume
Posted By: mxxmikexx
Subject: jl 10w3 box volume
Date Posted: September 10, 2004 at 1:45 PM
does anyone know how much air space i need for a sealed enclosure for a jl audio 10w3 ?
Replies:
Posted By: jeffchilcott
Date Posted: September 10, 2004 at 3:41 PM
are they older 10 w3's or are they new or are they 10w3v2? let me know that and I can tell you
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2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place
Posted By: mxxmikexx
Date Posted: September 10, 2004 at 3:43 PM
the older ones, i found a forum posting saying .65 cubic feet, does that sound right?
Posted By: jeffchilcott
Date Posted: September 10, 2004 at 4:18 PM
for the DVC model yes thats right for a space save sealed enclousure. realy I would go with about .85. Or vent
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2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place
Posted By: mxxmikexx
Date Posted: September 10, 2004 at 5:21 PM
what size would you go with in a ported enclosure, and what size port? the box is going in a hatchback, and im looking more for a good sounding box as opposed for bass heavy
Posted By: 12-volt_guy
Date Posted: September 10, 2004 at 7:55 PM
The better sounding box is probably going to be sealed. Ported enclosures are more efficient when it comes to low frequency output, but this is at the sacrifice of control. The sound starts sounding boomy and once down to a certain frequency, the woofer is actually running "free-air". And have you ever heard woofers mounted free-air? For 10W3-D2, optimum sealed: 0.625 cu. ft. ........ ported: 1.0 cu. ft. For 10W3-D4 sealed: 0.625 ....... ported: 1.25 cu. ft. For 10W3-D6 sealed: 0.75 cu. ft. ......... ported: 1.25 cu. ft.
Posted By: jeffchilcott
Date Posted: September 11, 2004 at 11:20 AM
Im gonna go ahead and say no to that one. I have never had a properly vented box make a sub sound like it is in free air...Maybe pre fab boxes sound like garbage and boomy. but if you build your own you can be very impressed with what you can do
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2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place
Posted By: 12-volt_guy
Date Posted: September 11, 2004 at 12:59 PM
jeffchilcott wrote:
Im gonna go ahead and say no to that one. I have never had a properly vented box make a sub sound like it is in free air...Maybe pre fab boxes sound like garbage and boomy. but if you build your own you can be very impressed with what you can do
You can say no, but if you research enclosure design, you will find that this is true. I didn't say that a ported box would sound as bad as free-air, but that at lower frequencies, the driver *is* operating at free-air, and the sound is not as accurate as a sealed enclosure. -------------
Posted By: 12-volt_guy
Date Posted: September 11, 2004 at 1:03 PM
Look at home subwoofers. Inexpensive ones are always ported because this design makes better use of the cheaper low-power amps. The higher quality subs are almost always sealed.
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