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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


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
Dayton 170W Plate Amp

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:


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