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Old 19th August 2003, 04:22 AM   #1
takashi is offline takashi
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Join Date: Nov 2002
Location: somewhere
Default diy sub-woofer

dear all, my friend want to DIY a sub-woofer, but he know nothing on it, can you recommand some website talks about how to design and make a subwoofer?

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Old 19th August 2003, 02:54 PM   #2
rabbitz is offline rabbitz  Australia
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Location: Newcastle, Australia
Default Try this.......

Try the DIY subwoofers site. This would be a good starting point and has lots a links for projects.

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Old 19th August 2003, 08:15 PM   #3
Tophet1 is offline Tophet1  Australia
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Join Date: Jul 2003
Location: Warialda
Dear Tak,
This was my own first project and so far the only one I'm happy with. May i suggest a few tips...

Buy a driver that goes as low as you want. Unless you'r really particular, any driver from 8" to 12" in diameter that goes below 40Hz will do. Try to go lower.

Find out from the manufacturer what size (vol) box it needs and the dimensions of a port (hole) to make the bass sound better.

Find a plate Amp that has a suitable power output to match the driver. No use putting a 240wrms amp on an 80 watt driver, or vica versa.

Calculate the vol of the plate amp and add it to the box vol needed for the driver you selected.

Build a box, install the driver and amp, glue (at least) some carpet behind the driver and port on the opposite wall of the box, plug it in,

and enjoy.......
Freedom is not hereditary.
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Old 19th August 2003, 09:16 PM   #4
Timn8ter is offline Timn8ter  United States
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Location: Seattle, WA
Default Good place to start

Patrick Sun has built and documented his Sonotube subs. They're easy, inexpensive and perform well. A good place to start for the beginner.
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