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Rear 6x9 Replacement in Coupe

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Old Mar 1, 2002
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Rear 6x9 Replacement in Coupe

Hey all (new to the forum),

First off, I'd like to say you're all a great trove of knowledge about these cars and have been very helpful thus far in this ordeal =) Here's the skinny.

I'm ready to lose this factory system and put some real sound in my car. I'm thinking speakers first - something with a a wide enough RMS range that it'll work with the factory HU -- something I have to live with temporarily -- but also have no problem handling a top-of-the-line HU/power amp down the road.

My first move was miseducated and misinformed-- I told my crutchfield representative I wanted to put in sony es 6x9s (I know now that was bad idea) and asked him why they wouldn't fit. He explained the depth mounting, and suggested Pioneer 6999s for a suitable three-way for the rear and said they should fit perfectly.

Well I ordered them, disassembeld the back of my car, pulled the old ones out and was so excited as I got the new ones out of the box. Crutchfield's system garunteed fit from their years of research and measurement.

Well, sadly all they measure is height above deck and depth below. Their records indicated the pioneers magnets should clear the trunk springs just fine, and they would have if trunk springs were flat. The problem occured in that the -diameter- of the bigger mags in the new speakers was much larger than in the factory speaks, so it hit the tortion bar as it was angling back up. In short: the space honda aloted in the design of the springs to accomodate speaker magnets was plenty deep, but not -wide- enough for these.

I called crutchfield, asked them what to do, and tech support said "uh... well, you could like... okay they're not gonna fit" And took that fit off their system. Speakers go back, and I pout and come here.

Now, two things I've learned. One, these wont fit. Two, I don't want three-ways in the rear, just way too much highend in the back (especially the compression horn threes in those 6999s, so I guess it's better it didn't work out afterall)

I'm now thinking two-ways, and based on what I've heard here, I'm thinking Infinity Kappas, namely the 692.1s (green ones). I've read in here from someone that they fit perfectly after the rubber surround is removed from the magnets. I just wanted to make sure that this is true, or if anyone else has any suggestions for rear deck 6x9s that can be installed without modifying the car (lease).

Lastly, Crutchfield doesn't seem to have the 692.1s, so I would probably buy them from buyloud.com-- so where can I get the wiring harnesses for the speakers? Radioshack?[IMG]i/expressions/face-icon-small-smile.gif[/IMG]

Let me know [IMG]i/expressions/face-icon-small-smile.gif[/IMG] And thanks for all your help past and future.

Aiden
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Old Mar 1, 2002
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Okay..step 1 ... Avoid Crutchfield.. 2.. Replace the front speakers and worry more about those first...3. The Infinity's you mentioned will ft..but they are't the greatest..not bad though...Send the 6x9's back to crapfield..use the exchange $$$ for a decent set of component seakers up front... (they'll be allright on HU power for now)..

4.. when you get the chance.. buy a high power HU with RCA Outputs..

5. Then consider getting new 6x9's ...but preferably an amp first...

6..feed us more info.. you want a serious system.. just something you can listen to that's soo much better than the factory system.. wanna go all out over time.. or just make it pretty damn good for bumping?
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Old Mar 2, 2002
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Okay, more info:

A) I was planning on replacing the fronts too, but from what I can hear most 6.5's will fit up front with the right spacer and a couple drilled holes. Yea, I learned to avoid crutchfield... I kept their mastersheets tho [IMG]i/expressions/face-icon-small-smile.gif[/IMG] Their service is top notch, too bad about price and slelection.

B) In terms of system, I want something that's going to, for now, sound way better (new HU and new speakers) and most importantly increase bass response and recovery time. I spin (and thus, play exclusively in my car) trance (dance music with a 140bpm kick) and so I want speakers that will emphasize this kick nice and loud without going fwaaapppp all the way to the next kick [IMG]i/expressions/face-icon-small-smile.gif[/IMG]

Current plans: Infinity 692.1i in back, Infinity 6.5 3-ways in front (any suggestions?), factory tweeters, Alpine HU (midrange, around the $300 wholesale mark.. any model number suggestions for good features and faceplates that look good in a coupe?)

Future plans: Run RCA outs from the HU to the trunk, slam an alpine or pioneer multichannel amp back there and a custom box with 1 10" (just for that kick), run speakerwire up to all the boxes. wheee [IMG]i/expressions/face-icon-small-smile.gif[/IMG]

Thanks for the help, mohawk.

-- Aiden
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Old Mar 2, 2002
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Well ya sure as hell won't get than kickdrum effect with infinity co-axials.. Get Focal Polyflex 2 way components(good midbass.. low price.. replace the crappy stock tweeters.. They'll run allright off HU power.... For rears.. just get half decent 2-way coaxials.... in your case as well a single 10 may not be what you want.. for you an 8" sub or 2 might be the way to go.. Trance does't actually have much bass to it.. mostly midbass..Or.. If I were you.. I'd get DEI Studio 8" Midbass drivers, put those in the doors (not much work really) Build some kickpods for some 5 1/4" Components. Get a decent 100Wrmsx2 amp and you're all set... Should all come out to the same price as having subs and such wiring included (if you build the kickpods yourself)

Or just get the Polyflex..or skip out on rear speakers entiresly and get Polyglass components (about the best most detailed midbass you'll get from ANY speaker) plus they have a 93db sensitivity so they'll be Plenty loud..Get a 75Wrmsx2 amp and a New HU..you're Set..

I Listen some trance too and Sub are pretty much useless as nothing really goes below 60Hz anyhow.,.
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Old Mar 2, 2002
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Aiden, I had the very same problem with those very same Pioneer speakers. I solved it (i kept them, and love them) by cutting out 1/4inch spacers out of hardboard and slapping them in under the speakers, worked like a charm! Great sound, and I don't have to worry about the mag hitting any metal (though I've been told on here by some that that isn't a problem anyway, just to close the truck slowly).

I was dumb...thought the rear speakers should be the FIRST to get changed, I have now learned the error of my ways and will soon be getting a set of components for the front.

Mohawk:
What size components would you recomend for the front and which ones actually fit (with little or no mod)? Thanks!
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Old Mar 2, 2002
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well with NO mods.. no spacers.. DEI Studio 3065 Components [IMG]i/expressions/face-icon-small-smile.gif[/IMG].. With Spacers Biggest I've seen was Kappa Perfects components.. with Shaving the door down. Focal 165 components [IMG]i/expressions/face-icon-small-smile.gif[/IMG]
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Old Mar 2, 2002
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Okay, components for the front:

You mentioned these polyflex things. I wonder: do you put components in the front the tweets go in the spot the factory tweets were in? (EX coupe, up by the door) and will these polyflex components fit? I'm actually more inclined to put three-way 6.5s in the front.

I really would like to replace the rears to - you say "half-decent two-way coaxials" which was my plan, but I'm real concerned about fit. Other than what CivicRider has just told me about the pioneers, are there any 6x9s that will fit, just fine, without touching anything (springs, rear deck, etc.) I want to completely eliminate contact with those speakers from anything but the mounting plate to eliminate rattle. Trunk rattle is bad enough without having the springs in direct contact with the speakers [IMG]i/expressions/face-icon-small-smile.gif[/IMG]

I'm looking at these Polyflex components now. Mohawk - you have these in your ride? And if so, how hard is the install (namely, how do I replace those factory tweets with the new ones, will the new ones fit in the factory tweeter pods, will the 6.5s downstairs fit such that I can still roll down my window all the way, and where do I put the crossover - just stash it in the door?)

Thanks for all your help everyone.

Aiden
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Old Mar 2, 2002
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I have the 165k3 3-way components.. Getting 3-way co-axials in the doors won't wound great.. the highs from the tweets in the panel and in the door will cancel out at alot of frequencies and sound pretty wierd.. The 1: Tweets from the polyflex's will fit with a little "shaving".. they'll fit in the door with a nice sized spacer youstill be able to roll down your windows..for rear speakers.. why do you want them?,, Acoustically you're much better off with just good quality front speakers.. The polyflex components will be plenty loud you won't make your rear deck rattle more with only door speakers.. the tweeter sounds SOOO much better than you're factory cheapo tweeter..
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Old Mar 2, 2002
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What gets shaved? The plastic around the tweet, or the hole in the door?

And in terms of spacers -- can these just be ordered or am I going to have to cut them out of something.

Lastely, the DEI Components -- how do they sound compared to the polyflex. In addition to trance, I listen to a lot of different kinds of music in addition to trance. Mostly trance, but I listen everything from hip-hop to Steely Dan too.

I'm tempted to go for the DEIs to save myself shaving or spacing just because it's new and I don't know when or to whom I want to sell it [IMG]i/expressions/face-icon-small-smile.gif[/IMG]

Aiden
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Old Mar 2, 2002
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Well the DEI's are cheaper.. sound quite good.. basically the stock tweets are 3/4" the aftermarket tweets are 1".. just widen the hole with a dremel tool or a file to fit the new tweeters..

The DEI's or the Focals are both great choices. The DEI's being less work.. but require a bit more power tog et loud,

Cheers
Mohawk
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Old Mar 2, 2002
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Also go to Sounddomain
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Old Mar 2, 2002
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Okay, so Zeb's got the Focal Polyflex 6.5 component system (165H) for like $200 bucks, is that for a pair of woofers/tweets/crossovers or for just one side?

You mention these are big but you made them fit -- take a dremmel to the tweeter hole and space the woofers?

Here are my remaining questions if I go this route:

1) Once I enlarge the holes for the tweets, I assume the old ones aren't going to fit again. Correct?
2) How and with what should I space the woofers downstairs. Will they clear the windows for full retraction and, other than a couple of new holes in the sheet metal, the mod is temporary right? I would be able to just pull out the spacer and put the old cones back.
And 3) Where does the crossover go? (I've never istalled components before)

-- Aiden
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Old Mar 2, 2002
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I used a 5/8" MDF Spacer.. used a Utility knife and shaved some plastic off the doors speaker grill for woofer clearance.. too 45 minutes each door to install. Get some scrap 5/8" MDF pieces from a local audioshop or home depot... The magnets just just just clear the windows.. My left window holder(steel piece) Rub the magnet on it's way down but just barely Just make sure you take off the rubber Magnet covers and your all set.. for the tweets the stock one's won't wit back. But those panels where theyfit in are $18 each so if you trade the car in it's a whopping $36 fit tog et the stock tweets back in.... The Zebs prices are for the pair of speakers and tweetsers..

Cheers
Mohawk
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Old Mar 2, 2002
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Last fewquestions:

I'm thinking now the DEIs (although the power requirements seem to be a slight issue).

1) Will the DEIs run okay off the stock HU for the time being while I wait to afford a new one or are the power requirements going to cause them to distort at high levels?

2) The DEIs (3065s) are listed as 7" and the description at soundomain says they are "designed to fit enlarged 7" applications". These will fit, you say - I am assuming I just need to drill a couple holes. Tell me if I'm wrong.

3) These are designed to be shallow, small diameter speakers, so they'll fit in the door without spacers you say?

4) Lastly, where does that crossover go? [IMG]i/expressions/face-icon-small-smile.gif[/IMG] Just stuff it into the door where the window won't hit? [IMG]i/expressions/face-icon-small-smile.gif[/IMG]

Thanks again -- you've been super helpful.

Aiden
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Old Mar 2, 2002
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I used 3M 2 sided tape and a little foam to mount my crossovers on my doors. On the outside part, right where the armrest is on the door panel..

You Won't need to drill holes..Just use the supplied speaker spacer/adapter..might have to drill 2 new holes whoopy do..

the spacers are 1/4" Spacers.. they'll actually stiffen up your door panel slightly so it's better off to use em..

Cheers
Mohawk
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Old Mar 2, 2002
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I think I've decided on getting the DEI components front, leaving the 6x9s in back as factory (for now) and replacing the headunit with an Alpine (although I am looking for other suggestions on this. I don't want to spend more than around $300 on the HU

My question:

Where can I get (mailorder, radioshack even?)

a) The spacers/mounting brackets for the front woofers (or do I fashion them out of something... if so how ?[IMG]i/expressions/face-icon-small-smile.gif[/IMG]
b) The wiring harness - I assume the input runs into the 6.5, which then runs out to the crossover and back to both the tweet and the woofer.

Is there an easy place to buy these online? Possibly that also carries the DEI 3065s?

Thanks everyone for your help, especially you Mr. Mohawk [IMG]i/expressions/face-icon-small-smile.gif[/IMG]

Aiden
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Old Mar 2, 2002
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DEI 3065's at Sounddomain.com\


Clarion DB715Z 24 bit D/A Converter.. GREAT sound.. great deal on it

Wiring Harness

DEI Studio's come with a pair of 1/4" Speaker spacers for mounting..

Now go.. Be one with Car Audio [IMG]i/expressions/face-icon-small-smile.gif[/IMG]
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