Quick aero port Q

[I Like Waffle]

So im doing my first aero box today and wanted to clarify on something. Manufacturer reccomends 1.5 each tuned to 50 hz with 2 13" ports. Im gonna build a box 3.1 cubes gross minus port and sub displacement, tuned to 38 hz. Gonna be 2 3" ports 10.5 inches long, what im wondering is does each sub need its own set of ports? kind of like with a slot port each driver needs an amount of port area. Could someone just explain all this to me //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

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[Lakota 5,000+ posts]

50 hz? Shit, that's way too high of a tuning. My burp boxes aren't tuned even near that high. For 2 12's I would run at least 3 4" aeroports. 4 is preferable, but is sometimes hard to fit.

 

[SSS 18734 5,000+ posts]

What subs?

 

[I Like Waffle]

some Ma audio xq 10"s. Cheap little 10"s i got for 30 bucks. I bought 10ft of 3" pvc today so im gonna be using that for ports. Box is gonna get finished tommorow. Another member reccomended i do 2 3" ports 10.5" long so itll be tuned to 38hz...3.5cubes gross

 

[I Like Waffle]

So i was wondering if someone could answer the 1 question i had so i could possibly finish my box. I dont know jack about aero ports so i need help here. As far as i know im doing 2 10.5 inch long ports