Ht Subwoofer Finished 56k.. i would think twice
09-18-2006, 08:00 AM
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Join Date: May 2005
Posts: 792
Ht Subwoofer Finished 56k.. i would think twice
A continuation of my MTM Speaker project.. found here ( http://forums.maxima.org/showthread.php?t=490452 )
I wanted to build a subwoofer to complement them. In the beggining I had an interesting idea.
My subwoofer design was as follows:
The final result has the same dimensions but I didn't use the spiral thingy you see.
The idea was to cut out about 42 of these spiral thingies out of 1/4" mdf. They look like this:
[IMG] http://i16.photobucket.com/albums/b1...fer/spiral.jpg [/IMG]
When they are cut out.. turn each one 15 degrees and keep stacking. The result is a spiral like
staircase which would act like a horn. The effect would be similar to a loudspeaker PA thing.
Unfortunately.. as I do not have a router.. this would have taken a ridiculously long time (42 of
them). I basically went sealed. The subwoofer is in the top portion of the box (which is 1/2 a
cube) and the amplifier (300w plate amp [Bash 300]) is in the bottom portion.
The Subwoofer is a 9kv.2 that I bought from Elemental Designs (yeah I really like them lol) for
50 bucks on a group deal http://www.edesignaudio.com
The subwoofer is wired in series to present a 4 ohm load.
This is the circle drawn out on the mdf
All Mdf is 3/4" btw..
This is the cutout for the amplifier
Piecing it together
I wanted to build a subwoofer to complement them. In the beggining I had an interesting idea.
My subwoofer design was as follows:
The final result has the same dimensions but I didn't use the spiral thingy you see.
The idea was to cut out about 42 of these spiral thingies out of 1/4" mdf. They look like this:
[IMG] http://i16.photobucket.com/albums/b1...fer/spiral.jpg [/IMG]
When they are cut out.. turn each one 15 degrees and keep stacking. The result is a spiral like
staircase which would act like a horn. The effect would be similar to a loudspeaker PA thing.
Unfortunately.. as I do not have a router.. this would have taken a ridiculously long time (42 of
them). I basically went sealed. The subwoofer is in the top portion of the box (which is 1/2 a
cube) and the amplifier (300w plate amp [Bash 300]) is in the bottom portion.
The Subwoofer is a 9kv.2 that I bought from Elemental Designs (yeah I really like them lol) for
50 bucks on a group deal http://www.edesignaudio.com
The subwoofer is wired in series to present a 4 ohm load.
This is the circle drawn out on the mdf
All Mdf is 3/4" btw..
This is the cutout for the amplifier
Piecing it together
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