aero ports for 4 re 8's

[Bender. 10+ year member]

im building a 2.25 cuft box for 4 re 8's. after sub displacement it will be 2 cuft...i am going to use aero ports for the first time and tune it to 35 hz. how many should i use? 2?

winisd says if i use 2 the vent length should be 21 in...does this mean 21 in each or 10.5 in each?

edit: 4 in ports

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[revrider1 5,000+ posts]

What size ports?

 

[Bender. 10+ year member]

What size ports?

how did i forget that? 4 in

 

[bonesninja 5,000+ posts]

2 4" ports or 1 6

 

[Bender. 10+ year member]

2 4" ports or 1 6

but how long?

 

[bonesninja 5,000+ posts]

21.65 each for 4 inch

23.25 for the 6 inch

 

[Bender. 10+ year member]

21.65 each for 4 inch23.25 for the 6 inch

i could easily go either way...which would be better? Thanks

 

[bonesninja 5,000+ posts]

i could easily go either way...which would be better? Thanks

either one

 

[Bender. 10+ year member]

either one

kk thanks