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tee
12-18-2007, 11:23 PM
Going from an Alpine 9881 to this, you would think that I would get better SQ. I couldn't really tell that much of a difference. I think I am doing something wrong.

Here are some questions to ask to the pros here:
(I know people's choices are different, I just want your opinion)

1. Out of 75, what volume should I set the gains at?

2. If I'm doing a passive system, what features should I completely disregard?

3. 2 (or 3, I forgot) way or 4 SP+SW? I have comps up front with rears off HU power and a sub.

4. Should I have Circle Surround II (CSII) on? If so, Hi or Low? TruBass on or off?

5. What crossover points/slopes do you guys have set to?

Again, I know different people will think different things sound good, I just want your opinion.

Thanks for looking.

Beat_Dominator
12-18-2007, 11:50 PM
I set my gain at 68-70 volume setting. I get audible cliping at 72 so 68 is a saffer bet.

You want 4-sp +sw in your setup.

CSII is up to you. I'd turn it off personally but if you like it on that's ok.

crossover depends on a lot, box tuning, what speakers you have, what kind of car it is. A safe place to start is a high-pass around 100hz, 60-80 being the optimal range in most cases.

Megalomaniac
12-18-2007, 11:56 PM
On my cd7k i set my highest volume for gains to around ~69

if you are going passive you shouldnt need to mess with the crossover, since it gives you the option to run fullrange(front,rear, sub) or 3way(high,mid,low)... but the highpass should be defaulted to 100 iirc


I am currently running active i just got this deck 2 weeks ago, i am still playing with it to get it set right so far its sounding good but a little more playtime with the eq should help results.

tee
12-19-2007, 12:01 AM
So don't mess with the crossovers, got it. Is the PEQ the only thing I can work with?

nismos14
12-19-2007, 10:04 PM
You can mess with the crossovers, however it is very dependant on your speakers. 80-100hz is usually good for comps/coax's.

livinlegend
12-26-2007, 01:17 AM
I have the same HU and some speakers that POUND out midbass. What should I be crossing at?

nismos14
12-26-2007, 07:58 AM
Where's your sub crossed at? I would use a similar xover point.

livinlegend
12-26-2007, 09:06 AM
I really ended up answering my own question when I thought it through. I'll just give my thought process.

My sub is crossed at 60hz

If my speakers pound out midbass (which is considered 80-200hz correct?) then i should cross my sub to leave out the midbass and only handle the lowest freqs. this would then make (60hz) the correct setting. am i right? or maybe i would benefit from a little lower crossing or would i create gaps

nismos14
12-26-2007, 09:10 AM
If your subs are crossed at 60, then cross your mids at 60, if you like how everything sounds that way, you may change it to 80 and then feel like you liked it better at 60. It's really whatever sounds best to you.