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Reload Thread: 12" Subwoofer for a 1990 Corvette

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    12" Subwoofer for a 1990 Corvette

    So, I have a 1990 Corvette and the space is very limited.

    I recently had a Kenwood KDC-X798 head unit (22W RMS) installed and JBL GTO 528: 5 1/4 in the front and JBL GTO 938: 6x9's in the back. Both with custom boxes.

    So the 90 vette is not a monster for its space. Basically I did the measurements and for build quality I will be going with this generic sealed box Sealed 12" Box <--- actual link. Now I need a sub. Sound Quality is w.e. - as long lows are good. I have an amp its a cheap Magna Bass 400 Watt RMS at 2Ohms. Max wattage is 800 watts (will upgrade later). The most I want to spend on the sub woofer is $130.

    Are the subs on these sites better then the mainstream ones we all hear about? the 130-150$ range
    http://www.carstereogiant.com/
    http://store.soundsolutionsaudio.com

    I have looked at the sundown 12" E series which is reasonable on price I just don't know how it will compare to lets say the Rockford Fosgate P3 12". I hope you see where I am coming from. I just need good quality sub for the price range I am not too picky considering my box limitations etc. Thanks.







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    Re: 12" Subwoofer for a 1990 Corvette

    So after more research it has come down to these subs.

    Incriminator iSeries 12" $109
    SoundQubed HDS312 $159
    Sundown Audio Ev2 12 $119
    American Bass TNT1244 $149
    Powerbass 2XL-124D $151

    Now I just need a simple bang for your buck. I will be upgrading my amp later on down the road but the amp is within the 30% RMS range of all the subs.




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    Re: 12" Subwoofer for a 1990 Corvette

    I suggest a 10 if you want lows. Just put it in a 12 box.

    A pair of sundown sd 8s will perform great in that space



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    Re: 12" Subwoofer for a 1990 Corvette

    You could also get a refurbished SA 12 for $149. Just email Jacob. They have been professionally reconed at Sundown.

    If you do get an SA 12, you should port your sealed box with an aeroport. Its really easy to do, and I could explain it if you're interested.



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    Re: 12" Subwoofer for a 1990 Corvette

    The SA-12 would be nice but I really want new and not returb, pet peave of mine. Are the American Bass and Powerbass subs I have listed comparable to the SA-12 because they are at the upper end of my price range.




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    Re: 12" Subwoofer for a 1990 Corvette

    None of the subwoofers you listed are really going to preform very well in a small sealed prefab enclosure with the exception of maybe the Powerbass 2xl, subwoofers are not one size fits all, some will work better for your application than others you can get a single JBL GTO1214d well within that price range as well as many others that would outperform all of the drivers you have listed in a .8ft3 sealed prefab

    The sugg. of the 2 Sundown SD-2 8's would be great, but would be quite a bit out of your price range



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    Re: 12" Subwoofer for a 1990 Corvette

    From measuring the inside dementions on the one I bought it has 1.2cu feet. Which is within the range of all of.those

    The inside dementions are roughly 13.25x13.25x13.25




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    Re: 12" Subwoofer for a 1990 Corvette

    Quote Originally Posted by kyle90 View Post
    From measuring the inside dementions on the one I bought it has 1.2cu feet. Which is within the range of all of.those
    This doesn't take into account the driver's displacement, so you'll end up with a little under 1 cube when its all said and done (depending on what you go with. If you pack it full of polyfill, it'll probably sound decent with any of the subs listed. I know you said you don't want to go refurbished, so I'd go with the Soundqubed HDS312.



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    Re: 12" Subwoofer for a 1990 Corvette

    Where do I need to buy polyfill from.




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    Re: 12" Subwoofer for a 1990 Corvette

    A local craft or fabric store should have it. Walmart has it too last time I checked. You can just use generic pillow stuffing. It makes your sub sound like its in a bigger box



    1986 Pontiac Fiero build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/611930-dd-z-series-build-log.html#post8651554
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    Re: 12" Subwoofer for a 1990 Corvette

    How much do I need. Like do I need to pack it tight or keep it loose? Does it actually act like having a bigger box?




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    Re: 12" Subwoofer for a 1990 Corvette

    I got my HDS312 in and with the small sealed box and like 400-600 RMS watts coming from my crappy amp. It performs phenomenal, sound quality not really good probs from box; Besides anything below like 35hz *****. Either from ****** amp or wayyyy to small box. I bought MDF 3/4 it's a 4x8 sheet. Going to make a sealed box. I calculated the size and the biggest I can do is 2.25CU Feet. I'm not experienced enough to make a ported box so I will settle for the sealed. What volume do I need for a sealed box I can find it no where.




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    Re: 12" Subwoofer for a 1990 Corvette

    Solid performer and proven subwoofer with lot's and lot's of great reviews.
    Pioneer TS-W3003D4 12" Champion Pro Series 2000W Subwoofer, $80



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    Re: 12" Subwoofer for a 1990 Corvette

    Quote Originally Posted by gstokes View Post
    Solid performer and proven subwoofer with lot's and lot's of great reviews.
    Pioneer TS-W3003D4 12" Champion Pro Series 2000W Subwoofer, $80
    I already have the subwoofer. I am just building a bigger box lol.




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    Re: 12" Subwoofer for a 1990 Corvette

    Quote Originally Posted by kyle90 View Post
    I got my HDS312 in and with the small sealed box and like 400-600 RMS watts coming from my crappy amp. It performs phenomenal, sound quality not really good probs from box; Besides anything below like 35hz *****. Either from ****** amp or wayyyy to small box. I bought MDF 3/4 it's a 4x8 sheet. Going to make a sealed box. I calculated the size and the biggest I can do is 2.25CU Feet. I'm not experienced enough to make a ported box so I will settle for the sealed. What volume do I need for a sealed box I can find it no where.
    *OFFICIAL* Free Ported Box Plans (56k NO!!) - SRT Forums - SRT4, SRT6, SRT8, SRT10 & Dodge Forum see if any of those can fit your car. Cut out sheet is right there, cut and glue thats all you needa do.

    Soundqubed subs DO NOT like sealed enclosures, its not whether your sealed box is big enough, the subs just aren't not made to perform optimally in a sealed enclosure.

    even with 2 gross cubic feet box, it should be 1.5 cubic foot net after port displacement is still good enough for the sub. Afterwards you need a good amount of power.



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