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jl 8w7 home design.
jl 8w7 home design.
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Old 15th July 2009, 07:54 AM   #21
stuman is offline stuman  United Kingdom
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Location: Fareham
their website, they ship worldwide and do a 230V version.
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Old 20th February 2012, 08:24 PM   #22
scott17 is offline scott17
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Join Date: Aug 2009
Default 8W7-3 for home use

I recently acquired a JL Audio 8w7-3 and a 300W Bash plate amp. I'd like to build an enclosure for home use. From what I have read, a vented enclosure is preferred to a sealed when used in a home application. Makes sense since cabin gain is a factor in auto use.

Has anyone built or have experience with this design shown on drmarksays?


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Old 16th August 2012, 10:56 PM   #23
scott17 is offline scott17
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Join Date: Aug 2009
Here is a link to photos of the home subwoofer I built using the 8W7-3 data provided by the Dr. Mark site.

Flickr: scitizen17's Photostream

Very tight bass. Very powerful. In fact it's too powerful. It barely needs to be turned up at all to fill out the sound.

If anyone has an 8W7 laying around, and needs a home subwoofer, I can definitely recommended this design.

I can post the dimensional data if there is any interest.

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Old 9th August 2016, 08:42 PM   #24
scott17 is offline scott17
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Default Construction drawing

Hello Leon (PmoTh), here are the construction details. I have also attached a couple of photos of another sub cabinet I built. That is how I would do the feet as opposed to the original way I did the 8W7 with the 2x2 posts. You will just have to modify the drawing to add the feet extensions to the side pieces. Just make sure you make them long enough to account for the this long-through woofer. 4" is enough.
Attached Images
File Type: jpg 7796143904_fc49432d9f_z.jpg (155.6 KB, 33 views)
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File Type: jpg P1000875.JPG (123.9 KB, 22 views)
File Type: jpg P1000876.JPG (109.0 KB, 18 views)
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File Type: pdf JL8W7homesub.pdf (21.6 KB, 10 views)
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