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View Full Version : Need box for fast bass response



squid88
02-03-2008, 12:49 PM
what would be better to have a fast response from a 18" Q

Would a bigger box or smaller box be better Fi recommends 6-10 ft ported I have space sowhat would be best

Immacomputer
02-03-2008, 01:03 PM
4-5 cubes sealed is what I would do for that sub.

squid88
02-03-2008, 01:08 PM
Alright thanks man but how about ported I know its not the best for rock music but I kinda want to get the right mix bc I listen to both rock and rap but I guess I could two boxes and see which I like better

PV Audio
02-03-2008, 01:14 PM
Go with the 10" instead. Smaller subs hit faster and punchier, you know. ;)
Please don't listen to me.

squid88
02-03-2008, 01:18 PM
I've tried 10s its what I'm running now and they just ain't cutting it for me so I decided the 18" Q bc I heard it has really fast response from all the reviews, and I'll get plenty of spl just trying to decide on the box

mobeious
02-03-2008, 01:39 PM
SS RL-i all though i have 2 T3TSS 10's in 2.75 sealed doin mid 140's which is plenty for daily driver and double kicks are nothing for them

squid88
02-03-2008, 01:45 PM
I'm already set on the this sub bc 10s aren't really my taste it was my first system and now I want lower notes also

squid88
02-03-2008, 01:48 PM
I'm also just wanting to try something completely different than 10s

BEAVER.989
02-03-2008, 02:03 PM
Go with the smaller recommendations and tune low for faster response... and larger for a more bottom heavy sound.

squid88
02-03-2008, 02:06 PM
Thanks greentruck that was the kind of answer i was looking for and thanks for all the input guys

PV Audio
02-03-2008, 02:26 PM
Go with the smaller recommendations and tune low for faster response... and larger for a more bottom heavy sound.Um, explain this to me.

PV Audio
02-03-2008, 02:27 PM
Squid, since you obviously didn't see the line under my comment about the 10's, I was completely kidding with you. Cone size has nothing to do with how "quick" a speaker is. That seems to be the general consensus though, and I really don't know why.

BEAVER.989
02-03-2008, 02:38 PM
Um, explain this to me.

Ok. While this may not be literally true, the type of person who is looking for a "faster response" is usually looking for better sound quality... hence my suggestion for a low tuning frequency.

duece212
02-03-2008, 02:43 PM
low tuning = faster response? I don't get that, dd's tuned at 40hz hit double kicks with the best of em. (even if they sound like poo elsewhere)

Immacomputer
02-03-2008, 02:48 PM
I usually associate a "fester" response as something that has to do with transient response and group delay. Tuning lower will definitely help in both of those categories, as well as making the enclosure smaller. The thing with this sub is that I wouldn't run it ported if I wanted those qualities.

If I wanted a lot of low end, quick transients, and low group delay, I would definitely seal it.

PV Audio
02-03-2008, 02:51 PM
I usually associate a "fester" response as something that has to do with transient response and group delay. Tuning lower will definitely help in both of those categories, as well as making the enclosure smaller. The thing with this sub is that I wouldn't run it ported if I wanted those qualities.

If I wanted a lot of low end, quick transients, and low group delay, I would definitely seal it.By the same token, someone looking for good transient response in car audio wouldn't be using 18" drivers anyway ;)

duece212
02-03-2008, 02:53 PM
By the same token, someone looking for good transient response in car audio wouldn't be using 18" drivers anyway ;)

I fully expect my sealed 18's to be slow and sloppy because they aren't 8's :crap:

PV Audio
02-03-2008, 02:56 PM
I fully expect my sealed 18's to be slow and sloppy because they aren't 8's :crap:What I meant to say is that if you're looking for clean transients, a smaller driver will be cheaper, have less output and will be easier to install properly compared to a typical basshead install.

duece212
02-03-2008, 03:12 PM
What I meant to say is that if you're looking for clean transients, a smaller driver will be cheaper, have less output and will be easier to install properly compared to a typical basshead install.

Yup, I think truth be told though most of us would cut out some good sound, for more sound in most situations so we don't do the logical thing.

I like stuff to sound good, but I also recognize I'm no audiophile and probably never will be. I just like experimenting with different stuff and seeing how it sounds :D

To the op, don't be afraid to try sealed, you can always build a new box.

squid88
02-03-2008, 03:17 PM
My bad pv audio I didn't see that but as for the rest of the comments I'm goal is not to go fully for sound quality but just to be loud and not sound completely ******

Also I have 2 10s cvx and they don't sound all that good on rock for me anymore

so now I'm just thinking about getting the 18 investing in some good components and installing a toggle switch to be able to turn of the sub when I wanna listen to rock

Immacomputer
02-03-2008, 03:19 PM
There is no reason to turn off the sub for rock. If you set everything correctly, things should sound great on rap or rock or anything really.

squid88
02-03-2008, 03:26 PM
thanks for all the input so first I'm going to try a porter enclosure I'm thinking 6-8 ft tuned to 28-30 and see how I like that and i can always go sealed and being an 18 I assume it'll stillbe quite loud

Illbe running th sub of a kx 1200, hope it satisfies me

tcguy85
02-03-2008, 04:09 PM
use a small box tuned low. my last sub tuned higher in a huge box wasn't anywhere near as "quick" as my new sub in a way smaller box tuned low. it's probably also very sub dependent though as well.

but try it tuned low in a small box.

also it is going to be vehicle dependent as well. i have the same sub that was in my car before, that i thought was "slow" in my room right now for HT/music in the same box just tuned 5hz lower and it is actually doin pretty good.

squid88
02-03-2008, 04:14 PM
its going in an ext cab

duece212
02-03-2008, 04:17 PM
As mentioned above, you might want to try a box on the smaller size, I had a q15 in a 4ft at around 29hz and honestly didn't dig it very much. My music tastes are mostly rock/metal/blues though.

Wish I woulda tried it sealed or in a smaller box before I got rid of it.

MikeyB
02-03-2008, 04:27 PM
I usually associate a "fester" response as something that has to do with transient response and group delay. Tuning lower will definitely help in both of those categories, as well as making the enclosure smaller. The thing with this sub is that I wouldn't run it ported if I wanted those qualities.

If I wanted a lot of low end, quick transients, and low group delay, I would definitely seal it.

x2

squid88
02-03-2008, 05:08 PM
you guys do make a lot of good points so as I said I'll go ported and if I don't like it I'll try sealed

The other thing is I don't have much to compare to bc I've never heard anything other a few mainstream brands so I'll most likely be impressed either way

Immacomputer
02-04-2008, 12:44 AM
If you like sealed more than ported, just know that it is NOT because of the enclosure type but the sub/enclosure combination.

mlstrass
02-04-2008, 09:31 AM
I run a 15" Q in 3.5@32Hz in the GF's car and she mostly listens to rock and it sounds very good. Do the 18 in the smallest recommended size and tune around 28-32. Also get a GOOD set of mids that will play down to around 60Hz and you should be fine...

zierbox
02-04-2008, 11:45 AM
This is what I run in my SQ set-up
If you ever want to hear and feel the fastest tightest bass ever come have a seat and I will play a drum track for ya

http://i217.photobucket.com/albums/cc19/zierbox/DSC00018-3.jpg.

http://i217.photobucket.com/albums/cc19/zierbox/2.jpg

mile098
02-04-2008, 11:56 AM
^^wow, looking good...can u explain to me a motorized port tuning system that can seal the enclosure?how does that work?

tcguy85
02-04-2008, 08:41 PM
^^wow, looking good...can u explain to me a motorized port tuning system that can seal the enclosure?how does that work?

x2, details on that please!

DBfan187
02-04-2008, 08:42 PM
I have that issue of CA&E.

MikeyB
02-04-2008, 10:01 PM
x2, details on that please!

x3 thats a pimpin lookin setup, I love it indeed!!! :D