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All things Altima Coupe.
vballer22
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Car: 2008 altima coupe 2.5s

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http://www.ehow.com/how_205030....html

heres an easy way, not perfect, but the best way to set the gain setting on an amp, mainly for speakers and components, but it also works for subs as well.

Also, this doesnt apply if you have a sealed box for the subwoofer, but if you're running a ported box then set the subsonic filter to 5-10 hz below the tuning of your sub. This is important! You can damage the sub if you run it in a mistuned ported box.


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Italianbulldog85
Posts: 174
Joined: Tue Mar 18, 2008 3:34 am
Car: 2008 Nissan Altima Coupe 2.5S
Location: Bay Shore, NY

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I just picked up an AVIC-D3 and I am looking into some component speakers. Out of curiosity where did you guys mount the tweeters? If you had some pics that would help out a lot.

vballer22
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Italianbulldog85 wrote:I just picked up an AVIC-D3 and I am looking into some component speakers. Out of curiosity where did you guys mount the tweeters? If you had some pics that would help out a lot.
Right in front of the cup holder in the door, theres a surface between the speaker and the cupholder that points directly at you when you're sitting in the seat. its flat and perfect for mounting the tweeter, and it's close to the speaker so the wires don't have to be as long either.

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rjdmmfl1
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Car: 2008 Altima Coupe, Radiant Silver, 3.5SE, Premium Package, VDC

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Italianbulldog85 wrote:I just picked up an AVIC-D3 and I am looking into some component speakers. Out of curiosity where did you guys mount the tweeters? If you had some pics that would help out a lot.
Where baller mentioned is one option... in the triangle plastic piece covering your side view mirror is another option (but this won't be flush), or you can fabricate a custom mounting plate, and place the tweeter where the factory 3.5" speakes are!

Or, you can get the Boston Pro 60's and use the coaxial setup, and mount the speakers on the midbass!

the727kid
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rjdmmfl1 wrote:
Where baller mentioned is one option... in the triangle plastic piece covering your side view mirror is another option (but this won't be flush), or you can fabricate a custom mounting plate, and place the tweeter where the factory 3.5" speakes are!

Or, you can get the Boston Pro 60's and use the coaxial setup, and mount the speakers on the midbass!
Or do kicks or put them off-axis in the a-pillars.

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Italianbulldog85
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Car: 2008 Nissan Altima Coupe 2.5S
Location: Bay Shore, NY

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im going kicker 6x9's in the back, the previously mentioned infinity components in the door, and the Boston acustics in the front... I like first idea the best for the tweeters but I guess I will just have to play around with different locations to be sure.

vballer22
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rjdmmfl1 wrote:Or, you can get the Boston Pro 60's and use the coaxial setup, and mount the speakers on the midbass!
I'm glad no one around here brags too much. haha although you certainly have reason enough, and wrote a big enough check for it too! Would those even fit in our doors? The pro60's are insanely big. And have a crazy mounting depth too right?
Italianbulldog85 wrote:im going kicker 6x9's in the back, the previously mentioned infinity components in the door, and the Boston acustics in the front... I like first idea the best for the tweeters but I guess I will just have to play around with different locations to be sure.
If you're gonna make it really flush, then yeah, the door panels I mentioned are best. But Doc here fabricated plates for mounting, and replaced the factory 3.5's with tweeters from the set he bought, at least I think I remember it that way. If not we've discussed it a lot in the past. The only reason the factory system has 3.5's is because theyre acting as tweeters. They reflect off the glass and in turn it boosts the highs a few db's, and enhances the highs just like tweeters. Putting the tweeters in from a component set pretty much eliminates the need for the 3.5's. If you already bought them thats fine I'm sure you'll like them, but if not just try it without, Im sure you'll be perfectly happy.

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rjdmmfl1
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vballer22 wrote:
I'm glad no one around here brags too much. haha although you certainly have reason enough, and wrote a big enough check for it too! Would those even fit in our doors? The pro60's are insanely big. And have a crazy mounting depth too right?
lol... you've got jokes...I absolutely love the Boston Pro 60's, at crazy high volumes with ~ 150- 175 watts RMS going to them... 0 distortion.. I can't say that about ANY other component system I've ever had

And yes, the Pro 60's fit in our doors with no problem... remember, Pro 60's use Neodymium magnets, so you get much more power relative to the size of the magnet. Also, the coaxial setup uses a neat system that allows the tweeter to dock on the 6.5 just like a 2 way full range 6.5 would.. but it maintains seperate crossover inputs for the tweeters and the 6.5's! So yes, these fit in our doors with NO modification

I only had to create custom mounting brackets for the tweeters to go where the 3.5" speakers were.

vballer22
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rjdmmfl1 wrote:And yes, the Pro 60's fit in our doors with no problem... remember, Pro 60's use Neodymium magnets, so you get much more power relative to the size of the magnet.
Wow. Thats cool I didnt know that. Maybe Im thinking of another setup.

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rjdmmfl1
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vballer22 wrote:
Wow. Thats cool I didnt know that. Maybe Im thinking of another setup.
this is what i have.....

http://www.bostonacoustics.com...d=296

vballer22
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rjdmmfl1 wrote:
this is what i have.....

http://www.bostonacoustics.com...d=296


Nice. Wow. I bet those are so clear. Im way jealous.

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the converted
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Yeah those are great speakers. I remember seeing those in development when I was getting a tour of the factory a few years ago. Used to have a set of their older pro series almost 10 years ago.

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audtatious
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I put a set of Alpine Pro components in a 2k Maxima a couple years ago for a local guy. Not too bad but I actually prefer my JL XR components. Best components I have ever used were pre-RF MB Quart 6.5's Comps (in sealed door enclosures) with the upgraded HX 1" tweeters (tad harsh at times but they were clear). Infinity Reference components are crap (I had a set in my Maxima before getting the JL's) as the tweeters are too harsh and the 6.5" mid is horrible for midbase.

For the money, get the best components you can afford. I'm not sure if the non-Bose system actually defeats bass when you turn it up or not but you should be able to successfully connect an amp up utilizing speaker-level inputs which will help avoid buying a headunit and hi-lo converter (tho I would expect a bit of noise would possibly be injected into the system). From a sub perspective you could look at getting some 6.5" free-air subs for the back deck and use a 6x9 adapter plate. Not optimal but if you don't want to use a box in the back it is a valid option.

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iiiskylll
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I figured I would just ask here instead of creating another newb thread =). To start off I know nothing about car audio and have already read this thread, but had a few more questions.

I went to a couple local stereo shops seeing what they would offer to put in my A/C and prices. Both places told me that the best route would be to do Almani speakers/amps/sub (the guy said 2 amps is best with 1 12inch sub), and the Kenwood DNX7120 or Pioneer AVHP4000. I don't really want/need the navi, the DNX7120 is out. However, I have never heard of almani before? Is that a decent brand? AND for the head unit, I don't know which to get, I just want a touchscreen that fits flush and I can hook up my Ipod to. I mostly listen to rap and I want a lot of bass.

The price that I got quoted for products/installation with the DNX7120 was $1500. With the AVHP4000 instead, was $1140. My price range is $1000-1300.

tarek
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Car: '95 Civic (hopefully soon a 3.5 Altima Coupe)

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I've never heard of Almani so I can't speak to that. For a touchscreen receiver have you checked out the Kenwood DDX512 or DDX712 . They're basically the equivalent of the 5120/7120 minus the NAV systems. You can also buy the nav system for it as an addon down the road if you change your mind on that, but it's pretty pricey (about 350-400 more on ebay/amazon).

Another thing about taking it to a shop since you are on a budget, how much are they charging you for the parts? Shops will generally charge you a fair amount more than places such as ebay or amazon. The DDX512 runs for $425+shipping on ebay or for $20 more at amazon (compare that with the crutchfield price!). The DDX712 is a hundred bucks more at both places. If you really don't want to install it yourself you should check how much it'd cost you to get the parts from ebay/amazon and just get the shop to do the installation for you.

Oh, one last thing since you didn't mention it, if you're planning on buying an aftermarket head unit, you'll lose the steering wheel buttons unless you connect a separate interface. You didn't mention if the shop would take care of this for you but I'll throw it in anyways. There's PAC SWI-PS for Pioneer/Sony headunits and PAC SWI-JACK for JVC/Alpine/Clarion/Kenwood. And here's a thread you can find more info about how to hook it up: Link

shortys408
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08 altima coupe 2.5s - *Sold*

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I recently got a system, spent under 200. 100 for a box and 10" diamond d1 dual 2 ohm sub. 70 for a kicker 300.2 amp i got on craigslist and 25$ for the amp kit. It sounds pretty good and fits perfectly in the back of the trunk. Also got a custom fiberglass box for 2 8" subs but decided to go with 1 10" instead. if anyones interested in the box let me know, fits well in our trunks.

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cheezball1257
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I am also gonna try to start doing some audio work. I don't want a sub at all but I want some speakers that can take a real beating so I can hook up an amp to them and get some power and bass without a sub. I would love to hear some ideas about speakers.

tarek
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I think the speaker ideas you're looking for have already been mentioned on the first page of this thread. What is your budget like? Check out the Infinity Kappas, Reference if you're on a budget, regular Kappa or Perfect series if not. If you wanna splurge a bit more check out the Boston Pro 60s. That's what rjdmmfl1 has in his car, and you can bet if he's got them they'll rock your pants off. And of course a Rockford Fosgate Power series amp to power them all.
Modified by tarek at 7:41 PM 6/23/2008

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ja105ny
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rjdmmfl1 wrote:
**SUMMARY**Speakers:2 x Infinity reference 6x9's

Amplifiers:Rockford Power 4 channel amp = Good amp http://cgi.ebay.com/Rockford-F...wItem

Subwoofer: JL audio W6

Subwoofer Amplifier: either the JL audio 500/1 or the Rockford Fosgate T500-1bd will be great for your needs!

Hope this helps... look at a few of these, and then
ok so i would need a separate amp for the sub? is there no way to have 1 amp for the speakers and subs? srry if its a noob question. ive never worked with audio.

tarek
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ja105ny wrote:
ok so i would need a separate amp for the sub? is there no way to have 1 amp for the speakers and subs? srry if its a noob question. ive never worked with audio.
They do sell 5 channel subs which you can plug 4 speakers + a sub into: http://www.crutchfield.com/g_1...annel here are some examples. But naturally it won't have the same power (and maybe quality) as a dedicated amp for the speakers and one for the sub.

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vkyolv
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mcheddadi wrote:
hehe, merci! moi j'ai laisser le systeme bose, si tu touche pas au Equalizer le son est superbe mais des qu'on crank la bass a fond ca distort le son vraiment au volume moyen et plus.

le mieux c'est de metre un sub dans le coffre parce que les aigu et les moyens sont parfait. c'est vraiment juste la bass qui est pas tres Boom boom
Montrez les offs ! ! !

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rjdmmfl1
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ja105ny wrote:
ok so i would need a separate amp for the sub? is there no way to have 1 amp for the speakers and subs? srry if its a noob question. ive never worked with audio.
so what's the problem with 5 channel amps??

well, if one thing goes wrong, your whole audio system could shut down...

every 5 channel amp I've heard (including Rockford Fosgate's Power 1000 25 year anniversy series) has been poor to OK at best.. nothing to brag home about. I would steer clear of 5 channel amps!

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LeGates
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rjdmmfl1 wrote:
so what's the problem with 5 channel amps??

well, if one thing goes wrong, your whole audio system could shut down...

every 5 channel amp I've heard (including Rockford Fosgate's Power 1000 25 year anniversy series) has been poor to OK at best.. nothing to brag home about. I would steer clear of 5 channel amps!
What about this 5 channel amp. Maybe the price of two amps, but what do you think?

http://www.audison.eu/index_main.php?Section=SRX5

Anyone now things about Memphis audio. I have these dealers locally that I can get a good deal.


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