From what i've heard around the forums, an oval speaker will always distort easier than a circle one. I too am going with infinity kappas for my speakers, and will be using these for the rears.:
http://www.infinitysystems.com/caraudio/product.aspx?ProdId='KAPPA63.7I'&Ser=KAP&Cat=MEL
they are 3 ways, but i don't know if that's really necessary because i will be using their components in the front. I'm sure others on here will be able to provide much more info.

 

Yeh if your looking for good mid-bass go for the 6.5. You are going to amp it right?!?

 

lol my sig has my system already.

"Infinity Kappa Perfect 6.1 components powered by an Infinity 7541a."

Not that you are supposed to know what a 7541a is but it's a 4 channel amp. Yes the speakers will be amped.

 

my advice to you is this. Get 6.5", NICE 2 ways. Round speakers have mroe linear frequency response, so they don't need as many drivers to get linear response over a wider range. If it only has two drivers though, they can afford to use nicer components for them. If you want the added boominess bass response from the 5x7, go for it, but you'll want a 3 way to get decent mids and high from them, and they will distort more.

 

[quote author=Hexedit link=topic=35580.msg509985#msg509985 date=1134569574]
lol my sig has my system already.

"Infinity Kappa Perfect 6.1 components powered by an Infinity 7541a."

Not that you are supposed to know what a 7541a is but it's a 4 channel amp. Yes the speakers will be amped.
[/quote]

I have sigs turned off sometimes sorry. And yes I know what a 7541a amp is thanks :wink: And my post still stands, get 6.5's for the rears if they fit in your budget.

 

Should I go with a 2way or a 3way then?

 

2 way. Something like this:

http://cgi.ebay.com/BRAND-NEW-INFIN...7i-6-1-2-2-WAY-SPEAKERS_W0QQitemZ5841781606QQcategoryZ58025QQrdZ1QQcmdZViewItem

 

Hmmm. Do you think I could squeeze in 6-3/4" speakers? Like these:

http://cgi.ebay.com/NEW-2005-INFINI...7i-6-3-4-2-WAY-SPEAKERS_W0QQitemZ5839687767QQcategoryZ58025QQrdZ1QQcmdZViewItem

 

[quote author=Operator link=topic=35580.msg510047#msg510047 date=1134573570]
2 way.  Something like this:

http://cgi.ebay.com/BRAND-NEW-INFIN...7i-6-1-2-2-WAY-SPEAKERS_W0QQitemZ5841781606QQcategoryZ58025QQrdZ1QQcmdZViewItem
[/quote]
why not 3-ways?

 

I'm going to e-mail infinty and see what they have to say as well.

 

[quote author=Hexedit link=topic=35580.msg510094#msg510094 date=1134575659]
I'm going to e-mail infinty and see what they have to say as well.
[/quote]
they will probably just tell you to go with whatever is the most expensive.

 

I'm going to ask them what has the best bass respone of all their speakers. Not which one will sound best.

 

[quote author=Hexedit link=topic=35580.msg510123#msg510123 date=1134576897]
I'm going to ask them what has the best bass respone of all their speakers. Not which one will sound best.
[/quote]
but i repeat myself... nah, j/k. good luck.

 

[quote author=Hexedit link=topic=35580.msg510080#msg510080 date=1134575113]
Hmmm. Do you think I could squeeze in 6-3/4" speakers? Like these:

http://cgi.ebay.com/NEW-2005-INFINI...7i-6-3-4-2-WAY-SPEAKERS_W0QQitemZ5839687767QQcategoryZ58025QQrdZ1QQcmdZViewItem
[/quote]

I had a set of 6 3/4" speakers (MB quarts) laying around (they didn't fit in my integra) and put them in the mazda3. I was actually able to use two of the factory screw holes to mount them, and just tapped another into the door panel and its mounted well, no adapter plates necessary (or possible, the 6 3/4" is really big).

 

Oh another question, in an effort to get more bass response up front would it be bad if i switched the wiring so the front channels hook up to the rear on my amp and then hook the speakers up to the rear and use the bass boost. It would look like this:

Radio -> LOC Front Channel -> Amp Rear Channel In-> Amp Rear Channel Out -> Front Components.
and
Radio -> LOC Rear Channel -> Amp Front CHannel In -> Amp Front CHannel out -> Rear Coaxs.

The rear channel on my amp has a bass boost I can make use of.

 

Well, I have basically that exact setup. My fronts are the Kappa 6.5 component and my rear are the kappa 5x7 2-way, powered by the 7541a amp. I have the stock HU with LOCs going to the amp.

Honestly, i do get a bit more bass response out of the 5x7s, which I found odd since I had read these forums and everyone said the round 6.5s are better for mid bass. And that's only when I have the sound set to a rear bias of R2. Unfortunately, even with the bass boost on the amp turned all the way up, our stock HU doesn't provide much in the way of bass, at least not from normal inputs. I have the auxmod, and when I play my MP3s through it, they have way more bass than the CD or Radio. Of course its EQ'd on the MP3 player.

I don't have a sub (yet), but its the best way to get the bass, and I dont think you'll notice any real difference between the 5x7 or the 6.5 for the rear speakers if you have a sub and the sound balanced. The 5x7 kappas were extremely easy to install, pluss you get to keep the water shield from the stock speakers.

As for 2-ways 3-way, my 2 way are very clear and crisp, I see no need for the 3-way.

 

Just curious, but unless you carry passengers alot why bother with rear fill? My vehicles are all front-stage only and pretty much everybody I know that is into audio is the same.

I say save the money from the rear speakers and put it towards a sub. You can bridge the rear channels from amp to power the sub and you're good to go!

 

[quote author=Dieseler link=topic=35580.msg510657#msg510657 date=1134596910]
Just curious, but unless you carry passengers alot why bother with rear fill? My vehicles are all front-stage only and pretty much everybody I know that is into audio is the same.

I say save the money from the rear speakers and put it towards a sub. You can bridge the rear channels from amp to power the sub and you're good to go!
[/quote]

I agree. Good call. If you want a bit of sound in the rear, for the passengers, leave the stockies running of the head unit. They'll be quite a bit quieter than the front anyways, so they won't mess up your soundstage, but will still add a bit of sound to the back seat.

[quote author=Hexedit link=topic=35580.msg510284#msg510284 date=1134582563]
Oh another question, in an effort to get more bass response up front would it be bad if i switched the wiring so the front channels hook up to the rear on my amp and then hook the speakers up to the rear and use the bass boost. It would look like this:

Radio -> LOC Front Channel -> Amp Rear Channel In-> Amp Rear Channel Out -> Front Components.
and
Radio -> LOC Rear Channel -> Amp Front CHannel In -> Amp Front CHannel out -> Rear Coaxs.

The rear channel on my amp has a bass boost I can make use of.
[/quote]

Hm, possibly... but first I'd make sure you need to do that. Forcing speakers to make more bass than they "want" to might mean screwing up the sound that it's good at making. Check that there aren't any crossovers in the way first, that might be cutting off bass to the speakers with a high-pass filter. If there is one, try shutting it off, or lowering the frequency that you're sending to the fronts.

If it's all good, and there are no high-passes happening.. then give the bass boost a try, and see if it helps.

Just be aware of the potential downside in terms of SQ.

 

[quote author=Tiggity-T link=topic=35580.msg510606#msg510606 date=1134594383]
Well, I have basically that exact setup. My fronts are the Kappa 6.5 component and my rear are the kappa 5x7 2-way, powered by the 7541a amp. I have the stock HU with LOCs going to the amp.

Honestly, i do get a bit more bass response out of the 5x7s, which I found odd since I had read these forums and everyone said the round 6.5s are better for mid bass. And that's only when I have the sound set to a rear bias of R2. Unfortunately, even with the bass boost on the amp turned all the way up, our stock HU doesn't provide much in the way of bass, at least not from normal inputs. I have the auxmod, and when I play my MP3s through it, they have way more bass than the CD or Radio. Of course its EQ'd on the MP3 player.

I don't have a sub (yet), but its the best way to get the bass, and I dont think you'll notice any real difference between the 5x7 or the 6.5 for the rear speakers if you have a sub and the sound balanced. The 5x7 kappas were extremely easy to install, pluss you get to keep the water shield from the stock speakers.

As for 2-ways 3-way, my 2 way are very clear and crisp, I see no need for the 3-way.
[/quote]

6.5's ARE better for mid bass, as far as low bass response, 5x7's are probably better, at least will sound more full without a sub, but they sacrifice clarity for this IMO. If you want bass, get a sub, if you are unwilling to get a sub and want a somewhat full sound at the expense of clarity, get 5x7s. . .

 

I have a sub, i have front components, it just feels there is something lacking in the upper range of the sub; it only gets loud below a certain frequency.

 

Have you tried messing with the low-pass filter on your sub's amp? What if you bring the frequency on that filter up a bit higher, to say 100 or 120 hz? Most subs will play pretty effectively up into that range...

Check the high-pass on your 4 channel, and the low-pass on your mono-block... maybe even post up what frequencies you're using. Those settings are the best place to start, for sure.

 

ya i kno wat u mean...my sub hits hard as hell on the low freq. but on the mid bass its a little iffy....it still sounds good but i dunt wanna raise the freg on the amp any more cuz then it sounds odd coming from the sub...

 

Try lowering the freq on the front components then?

 

My components amp is sending out a full signal and it goes to a crossover for the tweeters and the sub is set to like 100hz but still sounds weak up there

 

Could also be a phasing issue...

First, try the quick fix: swap the +/- wires on the sub (do it at the amp or speaker, whichever is most accessible). See if it helps. If it's not at the right phase, the two sound waves will cancel each other out, instead of adding to each other.

Disconnect your sub completely, and see if the fronts seem to have more bass. You might not be able to tell, since the sub will be gone...

Once the sub's disconnected (might even want to disconnect the rear coax's), swap the +/- of one of your components, right at the amp. See if the bass response gets better or worse. One of the two options will make it worse.

Reconnect the coax's... make sure that the bass doesn't get way worse when you do that.

Then reconnect the sub, and see if it gets worse. Either way, try swapping the +/- on the sub again, and see which way sounds best.