Port quantity 2
Enclosure volume 7.958
Tuning frequency 34.96 Hz
Vent diameter 8
Vent length 22

Does this mean each port is 11" or 22"?

 

NVM it must be 2 11" lengths.

 

nope...22" each, if they were 11 each the box would be tuned to 45 hz.

 

lol cmon, do some backwards math.

it's 22 inches each.

 

yyyyya.... that would be each.

 

That's what happends when you design boxes at 2:30 AM.

 

How forgiving are round/flared ports for port area? Can you use more ports than needed, ports outside the box, and stuff one or two ports with something so it can be tuned on the fly from 28-35-40 Hz, like this... ?

4 8" aeros
22.4" length
Vb 11.995 cf^3

4 ports - 39.99 Hz / 16.746 per cube
3 ports - 34.63 Hz / 12.56 per cube
2 ports - 28.275 Hz / 8.373 per cube
1 port - 19.995 Hz / 4.186 per cube

Is 4.186 & 8.373 too little port area or 16.746 too much? Is 22.4" too long?

 

The vent does not care how big it is nor how many there are.

The enclosure does not care how big it is nor how many vents there are nor their size.

Your woofer(s) will definitely have something to say about it though...


i.e. you can't go off designing an enclosure without referencing the driver.

 

Oh yeah......since when do you need to take the driver into consideration??.....

 

... in theory.