Speaker Asylum

If you can hear male voices through your subwoofer, then you need a lower Xover frequency or steeper filtering

66.51.146.158

In Reply to: RE: subwoofer crossover perhaps i am misunderstanding.... posted by driven516516 on May 07, 2008 at 05:07:21

The subwoofer should be sonically invisible.
That generally means:
(1) It needs to be placed close to another speaker, or between two main speakers if there is only one subwoofer
(2) It uses a crossover frequency and low pass filter slope that makes male voices completely inaudible when all the other speakers are turned off (the output is down 24dB or more at 150Hz.)

If you play a 200Hz. tone loud enough you will be able to hear it through a subwoofer -- the low pass filter is not a "brick wall" filter.

I strongly recommend as a general Rule of Thumb:
Use a 24dB per octave filter for crossover frequencies above 40Hz.

18dB/octave is okay up to a 60Hz. crossover frequency

and 12dB/octave is okay up to a 40Hz. crossover frequency)
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Richard BassNut Greene
"The Floyd R. Turbo of Bingham Farms Michigan"

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