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    two 4'' aero's or one?

    im building a 2.5 cubic foot box, and home depot didn't have any 6'' pvc pipe. i got some 4'' which was the biggest diameter they had, and was wondering if i would need two 4'' aero's for enough port area. i know you can get away with smaller port area by using the aero's, but not how much. any input?



    - 12'' Fi BL Fully Loaded - 2.2 cu. ft. box @ 35hz - 29 sq. in. of port - Stinger SPV 44 - Us Amps Merlin MD3D @ 2ohm - 5.25'' PG RSD Components - Big 3 in Hyperflex 1/0 - Pioneer DEH-3000IB - 140 sq. ft. of Stinger Roadkill Expert
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    Re: two 4'' aero's or one?

    i've had decent luck with 2 4 inch ports in similar boxes.






    2003 chevy s-10 ext. cab
    hu: jvc kd-avx1
    precision power 356cs components
    front amp: infinity 475a
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    enclosure: 1.1 cubes ported tuned @ 31hz
    sub amp: JL G1700

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    Re: two 4'' aero's or one?

    ok, how was it with port noise? or did you use psp ports?



    - 12'' Fi BL Fully Loaded - 2.2 cu. ft. box @ 35hz - 29 sq. in. of port - Stinger SPV 44 - Us Amps Merlin MD3D @ 2ohm - 5.25'' PG RSD Components - Big 3 in Hyperflex 1/0 - Pioneer DEH-3000IB - 140 sq. ft. of Stinger Roadkill Expert
    Refs: Slam, Ridinhi, Blados, Pioneerpimp, Kowboy

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    Re: two 4'' aero's or one?

    Quote Originally Posted by boomzilla View Post
    ok, how was it with port noise? or did you use psp ports?
    yeah. didn't hear much port noise, but it was only 500 watts. had to bend them with a 90 degree bend.






    2003 chevy s-10 ext. cab
    hu: jvc kd-avx1
    precision power 356cs components
    front amp: infinity 475a
    sub: diamond audio d6 10d4
    enclosure: 1.1 cubes ported tuned @ 31hz
    sub amp: JL G1700

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    Re: two 4'' aero's or one?

    im gonna use the pvc, in hopes i can get the port area i need, cause in regular slot ports i need to much port area and my trunk isnt so forgiving on fitting in big boxes. just wondering if theyd be good soundwise, and would a 34 hz tuning still grab the lows pretty good? i like the low deep bass (40-30hz), and i dont want to have it play under tuning.



    - 12'' Fi BL Fully Loaded - 2.2 cu. ft. box @ 35hz - 29 sq. in. of port - Stinger SPV 44 - Us Amps Merlin MD3D @ 2ohm - 5.25'' PG RSD Components - Big 3 in Hyperflex 1/0 - Pioneer DEH-3000IB - 140 sq. ft. of Stinger Roadkill Expert
    Refs: Slam, Ridinhi, Blados, Pioneerpimp, Kowboy

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    Re: two 4'' aero's or one?

    I have 2 flared aeros and I don't really here any port noise.



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    Re: two 4'' aero's or one?

    ok. looks like im doing two 4'' aeros. lol didnt think rashad was on until he pm'd me back.
    thanks for the help guys!



    - 12'' Fi BL Fully Loaded - 2.2 cu. ft. box @ 35hz - 29 sq. in. of port - Stinger SPV 44 - Us Amps Merlin MD3D @ 2ohm - 5.25'' PG RSD Components - Big 3 in Hyperflex 1/0 - Pioneer DEH-3000IB - 140 sq. ft. of Stinger Roadkill Expert
    Refs: Slam, Ridinhi, Blados, Pioneerpimp, Kowboy

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    Re: two 4'' aero's or one?

    ok, i got half of the box built, the sides and the bottom, im leaving the top open for now.
    my question is about the aeroports, does psp's port calculator account for the 3/4'' of mdf the aero will sit in? or do i calculate it? or does it not make a difference?

    edit: will have pics tomorrow, i need to buy another sheet just to cut the top plate out lol. wish i had a router or something too.



    - 12'' Fi BL Fully Loaded - 2.2 cu. ft. box @ 35hz - 29 sq. in. of port - Stinger SPV 44 - Us Amps Merlin MD3D @ 2ohm - 5.25'' PG RSD Components - Big 3 in Hyperflex 1/0 - Pioneer DEH-3000IB - 140 sq. ft. of Stinger Roadkill Expert
    Refs: Slam, Ridinhi, Blados, Pioneerpimp, Kowboy

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    Re: two 4'' aero's or one?

    Quote Originally Posted by boomzilla View Post
    ok, i got half of the box built, the sides and the bottom, im leaving the top open for now.
    my question is about the aeroports, does psp's port calculator account for the 3/4'' of mdf the aero will sit in? or do i calculate it? or does it not make a difference?

    edit: will have pics tomorrow, i need to buy another sheet just to cut the top plate out lol. wish i had a router or something too.
    Will the port be attached to the wall on the inside? Or mounted inside the hole? I'd mount it inside the hole, but its fine to mount it on the inside wall

    yes if its on the inside wall you have to account for the extra .75in




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    Re: two 4'' aero's or one?

    its gonna be sitting flush with the outside of the box, im not using the psp aeros, just pvc.
    and will a 34hz tuning still make the lows pretty nice?



    - 12'' Fi BL Fully Loaded - 2.2 cu. ft. box @ 35hz - 29 sq. in. of port - Stinger SPV 44 - Us Amps Merlin MD3D @ 2ohm - 5.25'' PG RSD Components - Big 3 in Hyperflex 1/0 - Pioneer DEH-3000IB - 140 sq. ft. of Stinger Roadkill Expert
    Refs: Slam, Ridinhi, Blados, Pioneerpimp, Kowboy

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    Re: two 4'' aero's or one?

    Quote Originally Posted by boomzilla View Post
    its gonna be sitting flush with the outside of the box, im not using the psp aeros, just pvc.
    and will a 34hz tuning still make the lows pretty nice?
    Pretty nice but it could get lower with a lower tuning, like 30



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    Re: two 4'' aero's or one?

    Quote Originally Posted by boomzilla View Post
    its gonna be sitting flush with the outside of the box, im not using the psp aeros, just pvc.
    and will a 34hz tuning still make the lows pretty nice?
    define 'lows', it varies depending on sub and enclosure alignments etc, but it should be decently loud down to like 28-30hz




    Refs: themommyvan, CharlieAnderson, bassknocker23, bigbirney420, wu501, _JaY_, lrc131, R/T Pimp, NeverEnuffBass, d-REW, slapmaster, headbussaboi, edzy, adio, 1ndatrunk, jfink, k_schutte, bigredhybrid, ARSkemp, s-saudio, pimpdaddyq, AudioFreak, scarolinablazin, ssackett, kylebechtold, craigzter, etc..................

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    Re: two 4'' aero's or one?

    Quote Originally Posted by Rashaddd View Post
    define 'lows', it varies depending on sub and enclosure alignments etc, but it should be decently loud down to like 28-30hz
    Because it won't hit any lows less than 34 hz will it?



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    Re: two 4'' aero's or one?

    Quote Originally Posted by Buck View Post
    Because it won't hit any lows less than 34 hz will it?
    yes, it begins to lose cone damping once you go below the tuning frequency, but that doesn't mean all output is all of a sudden lost...it'll roll off and like i said should in general still have decent output down to ~28, but it depends




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    Re: two 4'' aero's or one?

    ill try 30hz... and see if i need to trim them down to tune them higher.



    - 12'' Fi BL Fully Loaded - 2.2 cu. ft. box @ 35hz - 29 sq. in. of port - Stinger SPV 44 - Us Amps Merlin MD3D @ 2ohm - 5.25'' PG RSD Components - Big 3 in Hyperflex 1/0 - Pioneer DEH-3000IB - 140 sq. ft. of Stinger Roadkill Expert
    Refs: Slam, Ridinhi, Blados, Pioneerpimp, Kowboy

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