Putting different size aero ports in the same box?

[bunkerking09 10+ year member]

Will it do anything weird to the tuning? I have 2 6" ports, but i wanted to add 2 more, the local stereo shop only has 5" in stock right now, will that be alright or will it give it some funky tuning?

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[bunkerking09 10+ year member]

anyone?

 

[bball09124 10+ year member]

6" aeros? and 5" aeros? i'd say just use 2 of the 6" aeros because that should be more then enough for those two 10"s.

 

[bball09124 10+ year member]

If you use 4 6" aeros they are gonna have to be like 45 inches anyways, your never going to fit that.

 

[Ed Lester 10+ year member]

never seen 5" aeros but that would create sloppy tuning.

 

[tommyk90 5,000+ posts]

6" aeros? and 5" aeros? i'd say just use 2 of the 6" aeros because that should be more then enough for those two 10"s.

x2

One 6" port per 10" sub is plenty.

 

[Bun-Bun 10+ year member]

x2
One 6" port per 10" sub is plenty.

3" per 10 would be fine as well... Just use the 2 6" you have and call'er a day.

 

[bunkerking09 10+ year member]

3" per 10 would be fine as well... Just use the 2 6" you have and call'er a day.

but everyone that has seen my install keeps saying it needs more port...

 

[bball09124 10+ year member]

but everyone that has seen my install keeps saying it needs more port...

One 6" port is roughly the equivalent of 2 4" ports. So 4 6" aeros would be the same as 8 4" Aeros.

Now, go plug in your box specs to PSP-INC.com. For a 4 cube box, tuned to 40 hz, with 4 6" aeros, each port will have to be 44". I am going to venture to guess you dont have room for nearly 3 cubic feet of ports for your 4 cubic foot box.

For a 4 cube box tuned to 40 hz with 2 6" ports, each port will have to be 20". That will be more then enough, and you will be lucky if you can easily fit 2 6" aeros without making them external.

 

[KHARPS 10+ year member]

3" per 10 would be fine as well... Just use the 2 6" you have and call'er a day.

I don't agree with that.... I tried that on my 10'' Fi BL and I got a ton of port noise.