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    Nater&Hailey's Avatar
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    Icon6 Audioque HDC4.0 12

    I just got the AQ 4.0 3 days ago and with stock alt and battery, it gets loud. Running an Alpine v-power 2000 at it at 2 ohms, great sub but very power hungry. Could sound a little better, and read another forum they are mainly constructed for COMPETITIVE use, handling up to 8k for a burp. Highly recommend if interested in the 12s class.







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    Re: Audioque HDC4.0 12

    What size box do you have it in?



    09 Cobalt LT
    Headunit -Alpine CDA-9887
    Front Stage - PHD FB 6.1 PRO SIX M/B, FB 5.1 m/b, FB 1.1b tweets
    Highs amp -Pheonix Gold Xenon 100.4 & 200.4
    Sub stage - 2 DC M2 LVL 5 12s
    Sub amp - 2 DC 5.0Ks
    Electrical - Singer 270 alt, big 3 0/1 & 12g ofc audio technix, 2 XS d3400s
    Deadener - 80 mill Audiotechnix deadener
    "Trunk hit hard like Kimbo Slice"
    TEAM DC AUDIO

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    Re: Audioque HDC4.0 12

    its a pro box super bass series so its 2.25^3 it should be bigger but dont have time to build a new one.




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    Re: Audioque HDC4.0 12

    Quote Originally Posted by Nater&Hailey View Post
    its a pro box super bass series so its 2.25^3 it should be bigger but dont have time to build a new one.
    there is your issue with performance and sound.

    When that sub was being finished up we tested it in many many enclosures at AQ and it performs amazingly well in a custom enclosure designed around the sub, power, application, and goals. Yes, they can take a large amount of power and get very loud for competition use, but that is not it's only use.




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    Re: Audioque HDC4.0 12

    What would you suggest enclosure wise?




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    Re: Audioque HDC4.0 12

    I loved my two 12" aq hdc4's. They sounded amazing and got extremely loud at low frequencies.



    Refs: sbcaprice305, mattmcss, systembumping, LeofromtheH, audiobahnuser18, stishdr, wcarson8911, jnoel, mr_kebo, 93 saturn sl2



    HU: Home stereo converted to dc
    Speakers: Stock
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    Amp: off the stereo
    Wiring: extended power cord
    neon lights: Christmas lights duct taped to frame

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    Re: Audioque HDC4.0 12

    heh try two 4.0 18s



    2005 Chevy Colorado ext cab ( back seats removed )
    kenwood DNX6980 DD 4v preouts
    Rockford fosgate PA2 equalizer
    Sub Stage: x2 18" AQ HDC4
    Sub Amp: AQ 3500.1 at .5 ohm
    Enclosure: 8.2 cu ft tuned 29hz
    highs/mids: RF T2 6.5, 1" super dome tweeters
    CA: Rockford Fosgate T800.4
    Electrical: Iraggi 320A HO Alt, 3x XS 3400, Big 3, 2/0 welding cable throughout
    Metered 9/21/12 after install = 153.9 db. 11/2/12 after break-in = 154.4 db

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    Re: Audioque HDC4.0 12

    do you like the 18s? i have the 12 because i got ahold of it for $200 and it cranks out the music i like to listen to (dubstep) well. also im a bit limited to my air space but willing to sacrafice my backseats if i needed to later down the road.




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    Re: Audioque HDC4.0 12

    Quote Originally Posted by Nater&Hailey View Post
    do you like the 18s? i have the 12 because i got ahold of it for $200 and it cranks out the music i like to listen to (dubstep) well. also im a bit limited to my air space but willing to sacrafice my backseats if i needed to later down the road.
    i had to get rid of my backseats to get this shizz in there, they are stupid loud and arent even broken in i got an awesome deal on them from a buddy of mine, i wont even get to hear their full potential till after i loosen the coils a bit, did a burp today score in my sig im expecting better results after break-in



    2005 Chevy Colorado ext cab ( back seats removed )
    kenwood DNX6980 DD 4v preouts
    Rockford fosgate PA2 equalizer
    Sub Stage: x2 18" AQ HDC4
    Sub Amp: AQ 3500.1 at .5 ohm
    Enclosure: 8.2 cu ft tuned 29hz
    highs/mids: RF T2 6.5, 1" super dome tweeters
    CA: Rockford Fosgate T800.4
    Electrical: Iraggi 320A HO Alt, 3x XS 3400, Big 3, 2/0 welding cable throughout
    Metered 9/21/12 after install = 153.9 db. 11/2/12 after break-in = 154.4 db

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