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Buck
12-17-2009, 08:31 PM
Yet another thread by me :laugh:

Anyways, would 2 6" aeros be fine for my IA DR 21"? 8.5 cubes

Technically it seems like it would be. I get 6.653 in^2/cube.

Millertime1028
12-17-2009, 08:32 PM
3 would be optimal in my opinion, But 2 will suffice ...

satchel50207
12-17-2009, 08:33 PM
2 is enough. you will love the flow of 3 though

Buck
12-17-2009, 08:36 PM
2 is enough. you will love the flow of 3 though

Your sentence has the flow too

The only thing is that 3 is an awkward number. It's hard to symmetrically place 3 aeros in my box.

Bumpin' Goalie
12-17-2009, 08:39 PM
make a triangle formation

MakeshiftAudio
12-17-2009, 08:43 PM
Do 4 then. :)

RAM_Designs
12-17-2009, 08:43 PM
2 will help keep your sub from unloading as much below tuning as well...also easier to tune low(er) with just 2.

Buck
12-17-2009, 08:46 PM
2 will help keep your sub from unloading as much below tuning as well...

I was thinking about that as well. 2 aeros would be good for a lower playing in daily driving, without having to tune as low. And it saves box space.

EuphoricBass247
12-17-2009, 08:47 PM
3 aeros get my vote.As stated 2 will work but you WILL have better results with 3.Did testing on a 9 cube box with 2-3 aeros.tuning at 34hz

RAM_Designs
12-17-2009, 08:48 PM
On a side note, the lowest you can tune with 3 stock full length(17") aeroports is 36hz. With a pair of aeros full length you can crush the lows with a tuning between 29-30hz.

EuphoricBass247
12-17-2009, 08:51 PM
On a side note, the lowest you can tune with 3 stock full length(17") aeroports is 36hz. With a pair of aeros full length you can crush the lows with a tuning between 29-30hz.

Although the spec say 17in is max length, You can get 19 inches of legnth from precision ports and acheive lower tuning.

Buck
12-17-2009, 08:54 PM
Although the spec say 17in is max length, You can get 19 inches of legnth from precision ports and acheive lower tuning.

You don't put the pipe all the way into the rings?

RAM_Designs
12-17-2009, 09:01 PM
Although the spec say 17in is max length, You can get 19 inches of legnth from precision ports and acheive lower tuning.

An extra 2" is only a drop of 1.5hz anyways. I just prefer low tuned boxes myself. When you have capable midbass drivers being fed a lot of power and in deadened/sealed doors, you really don't need a sub to play over 50-60hz or so, so the typical lack of upper end response in a low(25-30hz) tuned box really isn't an issue most of the time.

Buck
12-17-2009, 09:06 PM
An extra 2" is only a drop of 1.5hz anyways. I just prefer low tuned boxes myself. When you have capable midbass drivers being fed a lot of power and in deadened/sealed doors, you really don't need a sub to play over 50-60hz or so, so the typical lack of upper end response in a low(25-30hz) tuned box really isn't an issue most of the time.

I don't like crazy amount of midbass. IMO, a sub shouldn't play over 50-60 hz in the first place. That's why I was tuning DD's and AQ's to 30 hz.

mylows10
12-17-2009, 11:11 PM
i have 4 in my box 9 cubes before displacement .i cap off the front 2 and it goes down to 46 hertz all 4 open its 61 herts ,but theyre only 8.25 inches long

Buck
12-18-2009, 12:25 AM
i have 4 in my box 9 cubes before displacement .i cap off the front 2 and it goes down to 46 hertz all 4 open its 61 herts ,but theyre only 8.25 inches long

:eek:

That's definitely a fart box. This box will be a daily groundpounder. I'm looking for a little SQ as well.

mylows10
12-18-2009, 02:33 AM
it actually does pretty nice daily at 46 hertz i bass race it in 139.9 class all day and i believe i can get it close to 149 on music