Morel Ultimo subs, Aliante, IDQ, Brahma... SQ!

AS007
10+ year member

Junior Member
I have been doing my research on some nice SQ subs for my G35 sedan, right now I have a set of Focal K2P's up front Morel Elate 6 SW's in the back running off a JL 300/4 and Eclipse AVN5495. Sorry for going off topic right away, but I am wondering if I used a better/more powerful amplifier for my speakers since the Focals need 120w rms each and the Morels need about the same, if they would sound better/louder..?

So as of right now I have been looking at the:

:Morel Ultimo: (Can't find a place to buy) "really like this one"

:Brahma subs (Can't find a place to buy)

:phase Linear Aliante (Can't find a place to buy)

:Image Dynamics IDQ 10-D4

:Infinity Kappa Perfect 10.1d

:ALTO Mobile Falstaff

:Focal Utopia Be 21WX (Can't find a place to buy)

:Focal Utopia 33WX

What to buy..??? I listen to trance, and rap so I want accuracy but nothing too weak either.. And how about an amplifier reccomendation along with the subwoofer choice? Thinking about Zapco or U.S. Amps.

 
A single 8" is not going to have much output... unless you go with at least 3 or more, you may be dissatisfied.

On the Focal series, for sound quality, everything else being equal (which it seldom is, LOL) the kevlar cones are just as good sounding as the "W" cones... they both share the same core foam material.

Some other sound quality woofers are the PPI DCX and Critical Mass.. I think they had a review of one of their woofers in one of the mags. You can buy Critical Mass through the company... I would call and see if you could negotiate a better price over the phone.

I would consider going with 2 or more 10" subs, depending on how much output/efficiency you want and how much power you have... arguably, they tend to have more extension and are more readily available than 8", and everything else being equal, the smaller cone will be more rigid for more SPL potential. To this day, the best/flattest sounding subs I ever heard were 10"

For amps... more power/louder tends to sound better.

For a sub amp... if you are using the low-pass crossover in the amp, look for one with higher slopes, like 18 or 24db per octave, rather than the standard 12db... it help with the illusion of bass up front.

 
I will try A.V.E, also I am probably going with a sealed enclosure unless advised othwerwise... Thanks for the info.

Which subs would you suggest if I wanted 2x10" subs in a sealed enclosure, and an amp to run them....? Best SQ availible.

How about the Focal 27KX? 11" close enough..

 
I'd look for something with at least tinsel leads woven into the spider so you don't have to worry about noise from conventional leads ever slapping the backside of the cone.

There are so many subs out there now... best thing to do is look for something that has a box roll off under 50 Hz, you would have to plug the specs from different subs into a box program.

I would also look for something specifically designed for sealed boxes.

Yes, Focal has an 11", that's their ten. They are so overpriced though.

Some other thoughts... If you can find some TC Sounds with the kevlar or sandwich cones, those would be good... there was a closeout on some kevlar ones not too long ago. Also, Oz matrix are made by TC I think and have a good reputation... if they modeled well in a box program I would probably go with those myself. Finally, do some searching on DIYmobileaudio.com... the woofer they sell on the site or something from partsexpress.com could suit you.

There is even a bigger sea of amps... not much to talk about as far as sound quality there... they just amplify the signal... with amps, it's about watts per dollar, features, reliability, things like that... higher slope crossover is the main thing though. I would also buy as much power as the subs can handle (maybe more for extra headroom), and/or your electrical system can take.

I would definitely recommend sealed over ported... generally, ported trades extension for more SPL.

 
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AS007

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