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I bought an Alpine CDA 7998 today. I am a little frusterated in trying ot set up my cross overs.

In the HU menue it asks me for the following varaibles:

For the Front and the Rear speakers:

Freq.
Db
Db/octave

What are these? Can someone give me the Dummy's version explansion of these, I am totally new to this crossover thing.

I am running infinitiy 605 cs comps in the front and infinity 62.5 (6.5 inches) in the rear. I have no sub as of yet. Could someone please walk me through this, how should I set this up. The next question will be able the parametric EQ. But first thing's first

Thanks in advance

 
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Freq: The frequency point that your speakers dont play below
db: attenuation amount - basically, how many dB you are muting the speakers
db/octave: How steep of a slope your cutting the freq. at. For instance, if you set it to 6 db, at 75 hz, you'll play maybe another 15-20hz down...probably to 55 or so before it actually cuts off. At 24db, you'll probably only play down to 68 or so.

 
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I need the dummy's version please, what is annutation? Assume I know nothing or I am a 6 year old kid, how would you explain how to set this up, begginning to end?

 
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attenuation is volume

there is no one way to set it up. change stuff till you think it sounds better. and when you go down the road and it sounds bad, change it again to improve. lower notes are lower frequencies. so if you want more bassy sound, crank it up around 80Hz or something. for high sounds maybe boost it at 15k Hz.

 
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You can probably leave all your crossover settings on flat, unless your speakers are distorting from too much bass. If thats the case, then set both the front and rears to like 100hz with a 6db slope. If you still get distortion either a. move the freq up to the next point, or b. make the slope steeper.

 
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how would you generalize a a low, mid and high range. Frequency ranges please

 
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Well that varies by component sets and their speaker tolerances. Generally around 65-80 hz and below is subs, above that till around 2,000 hz is your midrange driver(s), and above that is tweeter (high range) territory.

 
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The best thing to do is to listen to your system and play with adjusting the xovers until they are tuned to how you like them. There is no set way to set your crossover so it is all up to your preference.