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Reload Thread: Free Air Subwoofers? Please explain.

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    zerocarpileup's Avatar
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    Free Air Subwoofers? Please explain.

    What are some free air subwoofers that will work in a trunk environment. I just found my cls550 have a 12 inch sub in the rear deck that fires into the cab, and want to replace it with a free air subwoofer instead if having a heavy box in my trunk. Can someone explain how these subs work and how I could make this work in my car.



    2002 Cadillac Escalade 6.0 + Mad Mods
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    1 Dual Chamber Ported, Braced and Line-x Lined Enclosure Built to spec for The Hccas. Custom built by AtrenD And tuned to 29.47 Hz


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    Re: Free Air Subwoofers? Please explain.

    You will need to do what called an IB install...

    ---------- Post added at 12:13 AM ---------- Previous post was at 12:12 AM ----------

    you wont get very loud off of this type of setup though so be aware of that...




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    -Head Unit: Eclipse CD7100________________ -Head Unit: Eclipse CD7100
    -Sub Stage: Sundown SD-2 8's sealed________ -Sub Stage: Looking
    -Mids/Highs: Deciding_____________________ -Mids/Highs: Scan Speak & Blaupunkt
    -Sub Amp: MMATS Hifi 6 channel____________ -Sub Amp: American Warrior Set (Zed Built)
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    zerocarpileup's Avatar
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    Re: Free Air Subwoofers? Please explain.

    Ib install? Tell me more please. I don't need it competition loud, I just want enough bass. Right now I'm running 2 12 SAs at 1ohn with a MMATS m1400.1d. It sounds good but toooooo much rattle everywhere. The rear deck rattles but since stopped since I removed the rear factory sub. Also the heat sheilds in the rear bumper sound rediculus.I just feel I will never get the clarity I had in my old truck with this Mercedes.



    2002 Cadillac Escalade 6.0 + Mad Mods
    Kenwood DDX712 + KNA G510
    AudioControl Overdrive
    Bose Lux All Around (Soon to be?)
    2 Orion HccA D5000s
    2 15" Orion HccA D2s (Still need 1)
    2 Kinetik HC2400s (Still need 1)
    1 Iraggi 300 Amp Amputator (Need to Install)
    1 Dual Chamber Ported, Braced and Line-x Lined Enclosure Built to spec for The Hccas. Custom built by AtrenD And tuned to 29.47 Hz


    VoGuEs B!tcH!

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    Re: Free Air Subwoofers? Please explain.

    Quote Originally Posted by zerocarpileup View Post
    Ib install? Tell me more please. I don't need it competition loud, I just want enough bass. Right now I'm running 2 12 SAs at 1ohn with a MMATS m1400.1d. It sounds good but toooooo much rattle everywhere. The rear deck rattles but since stopped since I removed the rear factory sub. Also the heat sheilds in the rear bumper sound rediculus.I just feel I will never get the clarity I had in my old truck with this Mercedes.
    Infinite Baffle is what IB stands for... In a nut shell seperate the front waves from the back... Ill show you some pics just let me find some...




    Western Rep.

    99 Honda CRV: (Always Changing) ___________ 79 F-150: Show Truck ________________
    -Head Unit: Eclipse CD7100________________ -Head Unit: Eclipse CD7100
    -Sub Stage: Sundown SD-2 8's sealed________ -Sub Stage: Looking
    -Mids/Highs: Deciding_____________________ -Mids/Highs: Scan Speak & Blaupunkt
    -Sub Amp: MMATS Hifi 6 channel____________ -Sub Amp: American Warrior Set (Zed Built)
    -Mid Amp: ^^^ 5/6 bridged at 1 ohm_________ -Mid Amp: ^^^

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    Re: Free Air Subwoofers? Please explain.

    Trunk





    Rear deck






    Western Rep.

    99 Honda CRV: (Always Changing) ___________ 79 F-150: Show Truck ________________
    -Head Unit: Eclipse CD7100________________ -Head Unit: Eclipse CD7100
    -Sub Stage: Sundown SD-2 8's sealed________ -Sub Stage: Looking
    -Mids/Highs: Deciding_____________________ -Mids/Highs: Scan Speak & Blaupunkt
    -Sub Amp: MMATS Hifi 6 channel____________ -Sub Amp: American Warrior Set (Zed Built)
    -Mid Amp: ^^^ 5/6 bridged at 1 ohm_________ -Mid Amp: ^^^

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    zerocarpileup's Avatar
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    Re: Free Air Subwoofers? Please explain.

    So after searching for free air subwoofers, I'm finding that there isn't many. Can almost any sub be used and free air sub?



    2002 Cadillac Escalade 6.0 + Mad Mods
    Kenwood DDX712 + KNA G510
    AudioControl Overdrive
    Bose Lux All Around (Soon to be?)
    2 Orion HccA D5000s
    2 15" Orion HccA D2s (Still need 1)
    2 Kinetik HC2400s (Still need 1)
    1 Iraggi 300 Amp Amputator (Need to Install)
    1 Dual Chamber Ported, Braced and Line-x Lined Enclosure Built to spec for The Hccas. Custom built by AtrenD And tuned to 29.47 Hz


    VoGuEs B!tcH!

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    Re: Free Air Subwoofers? Please explain.

    pretty sure that they are designed for it. Most subs need the resistance from a box to keep under control.



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    Re: Free Air Subwoofers? Please explain.

    Quote Originally Posted by zerocarpileup View Post
    So after searching for free air subwoofers, I'm finding that there isn't many. Can almost any sub be used and free air sub?
    A lot of lower powered subs can be yes... Fi has an IB install sub...




    Western Rep.

    99 Honda CRV: (Always Changing) ___________ 79 F-150: Show Truck ________________
    -Head Unit: Eclipse CD7100________________ -Head Unit: Eclipse CD7100
    -Sub Stage: Sundown SD-2 8's sealed________ -Sub Stage: Looking
    -Mids/Highs: Deciding_____________________ -Mids/Highs: Scan Speak & Blaupunkt
    -Sub Amp: MMATS Hifi 6 channel____________ -Sub Amp: American Warrior Set (Zed Built)
    -Mid Amp: ^^^ 5/6 bridged at 1 ohm_________ -Mid Amp: ^^^

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    zerocarpileup's Avatar
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    Re: Free Air Subwoofers? Please explain.

    Any other brands that make a Ib sub? Who makes the loudest that I could run with my MMATS .



    2002 Cadillac Escalade 6.0 + Mad Mods
    Kenwood DDX712 + KNA G510
    AudioControl Overdrive
    Bose Lux All Around (Soon to be?)
    2 Orion HccA D5000s
    2 15" Orion HccA D2s (Still need 1)
    2 Kinetik HC2400s (Still need 1)
    1 Iraggi 300 Amp Amputator (Need to Install)
    1 Dual Chamber Ported, Braced and Line-x Lined Enclosure Built to spec for The Hccas. Custom built by AtrenD And tuned to 29.47 Hz


    VoGuEs B!tcH!

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    Bettr n' Revrse's Avatar
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    Re: Free Air Subwoofers? Please explain.

    Quote Originally Posted by zerocarpileup View Post
    Any other brands that make a Ib sub? Who makes the loudest that I could run with my MMATS .
    Well cone area is the key with an IB... Power means nothing since a sub becomes 10x more sensitive running free air




    Western Rep.

    99 Honda CRV: (Always Changing) ___________ 79 F-150: Show Truck ________________
    -Head Unit: Eclipse CD7100________________ -Head Unit: Eclipse CD7100
    -Sub Stage: Sundown SD-2 8's sealed________ -Sub Stage: Looking
    -Mids/Highs: Deciding_____________________ -Mids/Highs: Scan Speak & Blaupunkt
    -Sub Amp: MMATS Hifi 6 channel____________ -Sub Amp: American Warrior Set (Zed Built)
    -Mid Amp: ^^^ 5/6 bridged at 1 ohm_________ -Mid Amp: ^^^

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    Re: Free Air Subwoofers? Please explain.

    Quote Originally Posted by zerocarpileup View Post
    Any other brands that make a Ib sub? Who makes the loudest that I could run with my MMATS .
    You're probably going to end up having to run it at 2-4 ohms, unless you can somehow fit 3 15's in your rear deck.

    Dayton Audio also makes a sub for IB. I'd get a link, but Parts-Express is being a douche to me right now.

    Here's Fi's IB sub: https://ssl.perfora.net/www.ficaraud...iew.shopscript

    Like B n' R said, cone area is important with IB, and you have to be very careful with your power.




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    Re: Free Air Subwoofers? Please explain.

    You could call dc and tell rusty what your wanting and I'm sure he could work up something there are a lot of options available just remember sub sonic is your friend with ib installs and please NO epicenter lol.



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    Re: Free Air Subwoofers? Please explain.

    I've never heard a good sounding IB in my life. They sound ok, but still nothing like having a real box. Build a small sealed box and maybe try Kicker Solo Classics?




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    Re: Free Air Subwoofers? Please explain.

    Quote Originally Posted by Bass911 View Post
    I've never heard a good sounding IB in my life. They sound ok, but still nothing like having a real box. Build a small sealed box and maybe try Kicker Solo Classics?
    Please tell me your kidding?




    Western Rep.

    99 Honda CRV: (Always Changing) ___________ 79 F-150: Show Truck ________________
    -Head Unit: Eclipse CD7100________________ -Head Unit: Eclipse CD7100
    -Sub Stage: Sundown SD-2 8's sealed________ -Sub Stage: Looking
    -Mids/Highs: Deciding_____________________ -Mids/Highs: Scan Speak & Blaupunkt
    -Sub Amp: MMATS Hifi 6 channel____________ -Sub Amp: American Warrior Set (Zed Built)
    -Mid Amp: ^^^ 5/6 bridged at 1 ohm_________ -Mid Amp: ^^^

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    Re: Free Air Subwoofers? Please explain.

    Quote Originally Posted by Bass911 View Post
    I've never heard a good sounding IB in my life. They sound ok, but still nothing like having a real box. Build a small sealed box and maybe try Kicker Solo Classics?




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