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Old 09-17-2012, 01:10 AM
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Default Decent SQ build Help

So I'm planning a decent SQ build for my 2002 Silverado extended cab. I'm going to modify the door panels to fit 2 sets of 6" or 6.5". I was thinking of running an American bass Mid range, and an American Bass Mid Bass in each door panel. I haven't decided on what tweeters and where to place them, but some recommendations would help! ALSO, I plan to run two 4 channel amps, 2 dedicated channels for the mid range, 2 for the mid bass, 2 for the tweeters, and 2 for the coaxials in the rear. And this is gonna be run active, should i can get one of those 3-way memphis audio crossovers for next to nothing, or should i just grab an active hu, most likely the alpine 9887. Help meh pleaaasee haha.
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Old 09-17-2012, 02:13 AM
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Your best bet is to just get active capable 4 channel amps if you want to run active. That's 8 channels or 4 way active. Well, I shouldn't say "best" bet. But it's the easist way with all of those speakers.

You could do it all (including the active crosses) with a miniDSP if you're a DIY tuner. The 2x8 could handle all of that and would allow you to time align everything (which you couldn't do with just an active crossover unit).

Rear fill is usually best left to pros, but if you have to have it, give it a shot.

Midbass you want in the doors. Mids in kicks or the furthest physical spot from your face as you can get them; on axis preferably). Tweeters - either very near the mids if you cna get them on axis or more conventionally, up high at ear level. Probably in the 'A' pillars.
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Old 09-17-2012, 03:43 AM
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What exactly is an active capable 4 channel?

I just googled the miniDSP and it sounds like it'll help me get everything i wanted to control really well! I'm interested in one of those units for sure. Have you had any experience with one?

& by rear Fill do you mean the coaxials? I'd just run those non active with a lpf around 80 or so.

So i figured to keep the midbass on the lower sections, as kicks would most likely get damaged easily. lol. Yeah i figured i would go with them on the a pillars, just haven't decided what tweeters to go with. possibly the smaller crescendo tweets.

I was planning to bridge the all the speakers in pair (pair of tweets brideged, pair of mid bass bridged, pair of mid range) so should i just get the 2x4 processor? since there will be no right/left channels?

One last question, if i ran the dsp, would i need a line driver of some sort?
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Old 09-17-2012, 03:58 AM
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Active capable amp means that it has bandpass crossovers to limit your drivers to playing a specific frequency range and not just a simple low pass OR high pass, but both in conjunction. Example... being able to cross your mids to play 300hz - 5khz. Usually simple crossovers won't even go that high, let alone have bandpass crosses. Maybe 500hz or is the best you'll see.

I do have experience with the mini. That's why I recommended it. It's awesome.

As far as rear fill (the coax)... it's called a "front stage" for a reason. All the sound is supposed to sound like it's coming from in front of you (think: front row at a concert). There are reflections, of course, but you'd need to imitate these reflections with rear fill. Not just "have speaker back there."

What do you mean there won't be any left/right channels? And why do you want to bridge things?
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Old 09-17-2012, 04:10 AM
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Oh i see! i would just go with the minidsp to have more control, i'm sure with the mindsp I could adjust things more precisely.

Okay i see what you mean, you think i should run active in the rear too? i could do a simple mid range and tweet back there.

Well there will be left and right, but I was thinking that if i ran each speakers on a seperate channels @ 8ohms each, there wouldn't be much power if the amp was (just an example) 100 watts rms @ 4 ohm. so there would be in sort of a mono mode. Or would it kill a lot of the SQ qualities of the set up?

I appreciate the help TaylorFade!
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Old 09-18-2012, 04:44 PM
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can you fit 8's?
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