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Reload Thread: upgrading... 2 18s to 3 15s?

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    Lil Poot's Avatar
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    upgrading... 2 18s to 3 15s?

    planning on picking up a motor and reconing my 18s to 15s, building another box to run 3 15s. thing is, i want to keep it under the windowline, and if possible i'd like to have the batteries back there also so i can have my whole backseat back.

    i'm going to stay with d1 coils, might try the memphis at .67 daily, but i think it will **** too much current. going to sell/trade it off for something that will do that easier daily and run the memphis at 1.5 until then.

    i should be gaining output with the added motor strength and gain area, even if i go to a slightly smaller than recommended enclosure, and only adding a little bit of power right? i think i could give them 4 cubes net each. its a 4 door explorer, and i think i'm going to have to build the box or place the batteries over the wheelwheels. i think i have all the batts i need to run a stout amp like a d9 or 40.1 at .67 daily. maybe something slightly bigger, but i'll mostly likely be going from the 4.5kish i run now to 5-5.5k from dropping impedance and changing amps.



    Alpine W205/H701
    Revolution Design D9 - 2 AQ HDC3 18s
    Genesis Profile Four Ultra - Creative SDX7 mids, TBI HDSS tweets
    Iraggi 240a, Optima g34 YT, 3 C&D 134ah, 15.3v MLA module, 120 ft 1/0, 200 ft^2 RAAMmat


    WTT/S - 2 HDC3 18s, RD HW 10, 880prs + ipod + 6 disc changer, Alumapro ALC6.2 Components, Zed built US Acoustics USA4050 + USA2200, Fisher Customs boxes




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    Re: upgrading... 2 18s to 3 15s?

    I plan on doing the same thing, but only 3 cubes per 15... Not sure what subs i'm going to use yet too..




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    Re: upgrading... 2 18s to 3 15s?

    output is going to be very comparable.



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    Re: upgrading... 2 18s to 3 15s?

    Quote Originally Posted by Supergumby5000 View Post
    output is going to be very comparable.
    X2...depending on the equipment of course



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    Re: upgrading... 2 18s to 3 15s?

    well ****. maybe i'll try and get my two 18s under the window line and add more power.

    if i built all the way to the rear and did port/sub up, i've heard it will peak louder on the meter but not sound as loud to the ear. is that right? any new box i do will have either aeroports or a removable port section.

    right now i'm peaking about 151 on the glass, all sealed up and 154 outlaw style on a termlab. its tuned to 37 hz, daily tune for an hdc3, in 12 cubes net and is loud as **** to the ear but i'm feeling like i should be metering higher with 2 ported 18s, a 4k, and 3 big *** batteries.



    Alpine W205/H701
    Revolution Design D9 - 2 AQ HDC3 18s
    Genesis Profile Four Ultra - Creative SDX7 mids, TBI HDSS tweets
    Iraggi 240a, Optima g34 YT, 3 C&D 134ah, 15.3v MLA module, 120 ft 1/0, 200 ft^2 RAAMmat


    WTT/S - 2 HDC3 18s, RD HW 10, 880prs + ipod + 6 disc changer, Alumapro ALC6.2 Components, Zed built US Acoustics USA4050 + USA2200, Fisher Customs boxes

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