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Old 1st September 2006, 04:34 AM   #1
diyAudio Member
Join Date: Aug 2006
Default Help me build a Home Theater subwoofer

Im here to get some help building a home audio sub.

By recommendation, my original plan was to have:

--350 liter enclosure
--Dayton 15 DVC Driver
--Rhythmik Audio 250w plate amp (rumble filter @ 17 Hz)
--8 x 29.5 port (17.8 Hz tune)

Well I decided that a 350l enclosure was just too darn big. So heres what I can do:

My budget is about $360. The sub will be going in a room that is about 300-400 sq. ft. I want to do a 200 liter ported enclosure. I will use the sub for movies/games/music.

I would like to get a Rhythmik Audio amp, because they can install the rumble filter for you and I dont know how to do it, nor do I have the equipment. They make a (250w @ 4 ohm) amp and a (350w @ 4ohm) amp. I could go with either one of those. I will use any 15 driver that you think will work best with a 200L enclosure and a 250 or 350w amp. is where I planned on getting most of my stuff from.

Once I get the amp and driver decided on, then we can talk about the port/box tuning frequency.

I appreciate any help.


P.S: How will this new design compare to my original 350l design?
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Old 1st September 2006, 10:33 AM   #2
diyAudio Member
Join Date: Apr 2001
Location: Leeds, UK
Save up the extra and go for the Rythmik Directservo kit, I've just finished one and it's

It goes flat well under 20Hz in my room in a 55L sealed box

They're on sale at $429 at the moment
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Old 1st September 2006, 08:39 PM   #3
diyAudio Member
Join Date: Aug 2006
Thanks for the suggestion, that's not what I'm looking to do though.
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Old 1st September 2006, 08:53 PM   #4
badman is offline badman  United States
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Join Date: Sep 2003
Location: Sunny Tustin, SoCal

That would do the trick with your planned enclosure And you don't even have to vent it if you don't want (if it were me, I would just go sealed).

"The dawn of Bose created the "Man Cave" and reduced testoterone levels worldwide by 18.5 per cent" Peteleoni
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