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Old 12th October 2007, 07:03 PM   #1
inrank is offline inrank  United Kingdom
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Default "Active Woofer" for Music

hi,

i have posted quite a lot, with many idea's, but here is quite a real one for me.

Here are the needs/wants -

i would like to make a subwoofer (or Active Woofer really )for for my smallish room (11ft x 11ft with a large bay window).

it will be for strictly music, and to go with some open baffle speakers, so tightness and quality over depth

i would like it to be relatively small, no bigger than 30L really.

it will be placed about 60-70cm off the walls in the bay window.

Here is the design -

A Volt B2500.1 in a 17.5L ported box tuned to 39Hz.

Click the image to open in full size.

Volt B2500.1
http://www.studitech.ru/resque/manua...lt_B2500_1.pdf
Dayton 170W Plate Amp
http://www.partsexpress.com/pe/showd...number=300-804


is there anything major wrong with this design?

Below the Gain plot
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Old 12th October 2007, 07:10 PM   #2
inrank is offline inrank  United Kingdom
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the Time Delay plot
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Old 12th October 2007, 09:07 PM   #3
MaVo is offline MaVo  Germany
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Have a lok at this one:

http://www.linkwitzlab.com/thor-intro.htm

Also take the room influence into account. (room gain and room modes)
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