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Old 04-19-2006, 02:20 PM   #1
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Help w/ crossover settings

a while back I installed an Alpine CDA - 9853 HU and kept my Audiophile speaker system in place. Everything is wired up and works beautifully (sub, column controls,ipod, etc), but I would like some help on the crossover settings on my HU.

I currently have it set up as a 2-way system, cause I am assuming the door and rears speakers are the same + a sub.

Let it be known that I am NOT and electronics savy person, so my question to the ICE guru's here is:

What settings should I have for my crossover on those speakers? ie:

What hz and db settings do I want for the sub and also for the four speakers?



I am mesing with the controls on Alpines web site. It will allow me to set these settings as well as driver location, eq, speaker delay(location/distance) etc. Then burn to a CD and load into the headunit. Pretty damn cool if you ask me.....but only truly pimp with your help. Thanks


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Old 04-19-2006, 05:15 PM   #2
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Set the crossovers for both at 80hz. If you are worried about the speakers being damaged, then set the speaker xover to 100hz and let the roll off fill the gap.
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Old 04-19-2006, 05:57 PM   #3
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Thanks DetroitBass.

I also have the option of setting the db's, and idea where do I set the decible at? I have -11 upto -1 db.

ie. 80hz @ -__db


sorry to be a pain...but thanks again.
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Old 04-19-2006, 08:23 PM   #4
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That is up to you. Use your ear and listen to what sounds good.
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Old 04-19-2006, 09:08 PM   #5
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k. thanks man.
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Old 04-19-2006, 09:49 PM   #6
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Do you have an amp on the speakers, or just HU power?
Hmm, I wasn't sure the Xovers affected the speaker output.
I assumed it was pre-outs only.

Anyways, as stated, 80Hz is a good place to start, or use 100Hz if you need to.

The dB gain should be left at zero. You can use the fader between front and rear, then the sub level output adjusted on its own.

The other Xover adjustment to play with is the slope, ie: 6dB, 12dB, 18dB, and 24dB; shallow to steep curve. More info can be found at http://www.bcae1.com on crossovers and slopes.

The steeper the slope, the lower the crossover point you can use, but sometimes the shallower slope allows a better blend between speakers, ie: mid to sub. Just keep playing until it sounds right and doesn't cause distortion and/or bottoming out.
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