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View Full Version : four 8 inch subs or two 15 inch subs?



skippy90210
03-19-2014, 07:17 PM
right now my i have 4 sundown audio sa8 v2's on a saz 1500d im very happy with them but i want the low bass and the hard hits, my plan is to sell my sa8 v2's with the box keep the saz 1500d and get a second 1500d and strap them, then get 2 15"s rated at 1500w rms each and build a box for them. the main question is will it be worth the time and money to go to the 2 15"s? or will it just be a waste of money to make it just a little bit more loud? whats everyones opinion on this?

bmk6795
03-19-2014, 07:23 PM
Do 15s, a good bit more cone area. Should be a good bit louder than your current setup, especially if you get a second saz 1500.

DoesDad
03-19-2014, 07:32 PM
^^^Agreed. It's a lot more cone area. And double the watts. You'll notice a huge difference. 4 8's is almost like running 2 12's. 2 15's is about 3 12's.

BrownVanMan
03-19-2014, 08:27 PM
plus the 8s need more power than what your giving them

4OZGLOVES
03-19-2014, 09:15 PM
Almost double the cone area and twice the watts is going to be significantly louder.

pickup1
03-19-2014, 09:38 PM
Skip the 15s and do 18s...

skippy90210
03-19-2014, 11:09 PM
find a way to do 2 18s in a cobalt and im down haha and also find someone to buy my 8's with the box ;p they have maybe 2 hours of play time on them. also could 2 15's on 3k pull of a hair trick in a cobalt?

CaptainMaximus
03-20-2014, 12:20 AM
I like single sub setups in small cars (I own an eclipse). It would be much better to get one sub in a optimum box than 2 subs inna box that's too small. Say an 18, you could really go crazy on the sub (sell the 4 8's) with custom stuff. Use the money from the 8's to get a high end box built into the car, and buy a second sundown to strap them. Then make a build log. :imdama:

skippy90210
03-20-2014, 12:41 AM
the only problem with that is i need the box to be removable because my battery is back there but what your saying is get a single 3k rms 18 build a box for it and strap two saz1500d to it? is it really gonna be worth going from four 8s to one 18? or would 2 15s be bettter either way im gonna strap two 1500d's so 3k is the watts to matter what but what would be better 18 or 2 15's also i want a hair trick bad haha is it gonna happen?

phemps
03-20-2014, 02:16 AM
find a way to do 2 18s in a cobalt and im down haha and also find someone to buy my 8's with the box ;p they have maybe 2 hours of play time on them. also could 2 15's on 3k pull of a hair trick in a cobalt?

I did 2 18s in a saturn ion, essentially the same car. Walled though so im not sure thats what you have planned. Trying to make 2 15s fit in that trunk properly will not work, you will most likely be worse off

phemps
03-20-2014, 02:19 AM
the only problem with that is i need the box to be removable because my battery is back there but what your saying is get a single 3k rms 18 build a box for it and strap two saz1500d to it? is it really gonna be worth going from four 8s to one 18? or would 2 15s be bettter either way im gonna strap two 1500d's so 3k is the watts to matter what but what would be better 18 or 2 15's also i want a hair trick bad haha is it gonna happen?

If you want to go the 18 route i have an AQ hdc4 18 im trying to sell and i live in PA, im only looking for 300 bucks and 3k on it is a walk in the park. Also it is a dual 1 ohm sub so you could strap two 1500s to it perfectly. let me know if you have interest i can send you pictures etc, i live about 3 and a half hours from you so we could always meet up for a sale

skippy90210
03-21-2014, 10:43 AM
well i could fit 2 15"s pretty easy in my car i think so the question now is whats gonna be the best option to make it significantly louder and hit harder and most importantly make it hit those deadly lows lol 1 18 or 2 15s? both on 3k.

Slobalt
03-21-2014, 11:24 AM
2 15's.

supereikenator
03-21-2014, 11:34 AM
One 18, or one 15, I just don't think you've got room to build a proper box for a pair. Unless you find some that like <3 cubes a piece.

Slobalt
03-21-2014, 11:48 AM
One 18, or one 15, I just don't think you've got room to build a proper box for a pair. Unless you find some that like <3 cubes a piece.

I know you can do two 15's sealed in a balt

supereikenator
03-21-2014, 01:25 PM
I know you can do two 15's sealed in a balt

Sealed though? Gotta rock ported! Haha

Slobalt
03-21-2014, 01:35 PM
Sealed though? Gotta rock ported! Haha

I agree

skippy90210
03-22-2014, 01:43 AM
One 18, or one 15, I just don't think you've got room to build a proper box for a pair. Unless you find some that like <3 cubes a piece.

i have aroud 11 cu feet of air space in my trunk i know i wont be able to use it all but i can use a good 8 of it, 4cu ft per 15?

skippy90210
03-22-2014, 01:45 AM
also i might be selling my amp with the 8's now so the whole 3k idea is pretty much gone and ill probably go with a 5k or so set up and get a alt and some bats.

skippy90210
04-25-2014, 10:31 AM
If you want to go the 18 route i have an AQ hdc4 18 im trying to sell and i live in PA, im only looking for 300 bucks and 3k on it is a walk in the park. Also it is a dual 1 ohm sub so you could strap two 1500s to it perfectly. let me know if you have interest i can send you pictures etc, i live about 3 and a half hours from you so we could always meet up for a sale

i forgot about this do you still have the 18 ill buy

phemps
04-29-2014, 01:43 AM
i forgot about this do you still have the 18 ill buy

yesssir it hasn't gone anywhere